Guide | How To How to fix "no bootable device – insert boot disk and press any key"

The associated guide may contain user-generated or external content.

Fiery

Level 1
Jan 11, 2011
2,007
Ok, let's try a new script.

Open notepad and copy & paste the following:

Last Boot: 2013-01-04 12:29
CMD: bootrec /FixMbr
CMD: bootrec /RebuildBcd

and save it as fixlist.txt onto your flash drive.

Then, boot to system recovery, plug in your flash drive, open FRST and click fix. Post the generated log.



If the above still doesn't work, let's try with listparts.

On another PC, open notepad and copy & paste the following:

Disk=0 Partition=3 inactive
Disk=0 Partition=3 active
Disk=0 Partition=3 inactive
Disk=0 Partition=3 active
custom

save it as fix.txt onto the USB with Listparts. Plug the USB back into the unbootable PC, go into command prompt, start listparts and click fix. If it still doesn't boot, do another Startup repair if you haven't
 

joeg

New Member
Apr 12, 2013
1
I followed directions using command prompts and this is what I got...


Scan result of Farbar Recovery Scan Tool (FRST) (x64) Version: 11-04-2013
Ran by SYSTEM at 12-04-2013 14:00:50
Running from E:\
Service Pack 1 (X64) OS Language: English(US)
Attention: Could not load system hive.
Attention: System hive is missing.

==================== Registry (Whitelisted) ===================

Attention: Software hive is missing.

ATTENTION: Unable to load Software hive.


==================== Services (Whitelisted) ===================


==================== Drivers (Whitelisted) =====================


==================== NetSvcs (Whitelisted) ====================


==================== One Month Created Files and Folders ========


==================== One Month Modified Files and Folders =======


==================== Known DLLs (Whitelisted) =================


==================== Bamital & volsnap Check =================

C:\Windows\System32\winlogon.exe IS MISSING <==== ATTENTION!.
C:\Windows\System32\wininit.exe IS MISSING <==== ATTENTION!.
C:\Windows\SysWOW64\wininit.exe IS MISSING <==== ATTENTION!.
C:\Windows\explorer.exe IS MISSING <==== ATTENTION!.
C:\Windows\SysWOW64\explorer.exe IS MISSING <==== ATTENTION!.
C:\Windows\System32\svchost.exe IS MISSING <==== ATTENTION!.
C:\Windows\SysWOW64\svchost.exe IS MISSING <==== ATTENTION!.
C:\Windows\System32\services.exe IS MISSING <==== ATTENTION!.
C:\Windows\System32\User32.dll IS MISSING <==== ATTENTION!.
C:\Windows\SysWOW64\User32.dll IS MISSING <==== ATTENTION!.
C:\Windows\System32\userinit.exe IS MISSING <==== ATTENTION!.
C:\Windows\SysWOW64\userinit.exe IS MISSING <==== ATTENTION!.
C:\Windows\System32\Drivers\volsnap.sys IS MISSING <==== ATTENTION!.
c:\Windows\system32\codeintegrity\Bootcat.cache IS MISSING <==== ATTENTION!.
C:\Windows\System32\winsrv.dll IS MISSING <==== ATTENTION!.

==================== EXE ASSOCIATION =====================

HKLM\...\.exe: <===== ATTENTION!
HKLM\...\exefile\DefaultIcon: <===== ATTENTION!
HKLM\...\exefile\open\command: <===== ATTENTION!

==================== Restore Points =========================


==================== Memory info ===========================

Percentage of memory in use: 29%
Total physical RAM: 1909.86 MB
Available physical RAM: 1344.58 MB
Total Pagefile: 1909.86 MB
Available Pagefile: 1323.15 MB
Total Virtual: 8192 MB
Available Virtual: 8191.9 MB

==================== Partitions =============================

1 Drive d: (W7SP1_HOMEPREMIUM) (CDROM) (Total:5.23 GB) (Free:0 GB) UDF
2 Drive e: (USB20FD) (Removable) (Total:7.59 GB) (Free:4.5 GB) FAT32
3 Drive x: (Boot) (Fixed) (Total:0.03 GB) (Free:0.03 GB) NTFS

Disk ### Status Size Free Dyn Gpt
-------- ------------- ------- ------- --- ---
Disk 0 Online 512 B 512 B
Disk 1 No Media 0 B 0 B
Disk 2 Online 7788 MB 0 B

Partitions of Disk 0:
===============

Disk ID: 00000000

There are no partitions on this disk to show.

==================================================================================

Partitions of Disk 2:
===============

Disk ID: C3072E18

Partition ### Type Size Offset
------------- ---------------- ------- -------
Partition 1 Primary 7788 MB 28 KB

==================================================================================

Disk: 2
Partition 1
Type : 0B
Hidden: No
Active: Yes

Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
* Volume 2 E USB20FD FAT32 Removable 7788 MB Healthy

=========================================================
============================== MBR Partition Table ==================

==============================
Partitions of Disk 0:
===============
Disk ID: 0

Partition 1:
=========
Hex: 0
Active: NO
Type: 0
Size: 0 byte

Partition 2:
=========
Hex: 0
Active: NO
Type: 0
Size: 0 byte

Partition 3:
=========
Hex: 0
Active: NO
Type: 0
Size: 0 byte

Partition 4:
=========
Hex: 0
Active: NO
Type: 0
Size: 0 byte

==============================
Partitions of Disk 2:
===============
Disk ID: C3072E18

Partition 1:
=========
Hex: 800101000BFFFFDC38000000C862F300
Active: YES
Type: 0B
Size: 8 GB

==================== End Of Log =============================

ListParts by Farbar Version: 10-03-2013
Ran by SYSTEM (administrator) on 12-04-2013 at 14:02:52
Windows 7 (X64)
Running From: E:\
Language: 0409
************************************************************

========================= Memory info ======================

Percentage of memory in use: 29%
Total physical RAM: 1909.86 MB
Available physical RAM: 1341.63 MB
Total Pagefile: 1909.86 MB
Available Pagefile: 1324.48 MB
Total Virtual: 8192 MB
Available Virtual: 8191.91 MB

======================= Partitions =========================

1 Drive d: (W7SP1_HOMEPREMIUM) (CDROM) (Total:5.23 GB) (Free:0 GB) UDF
2 Drive e: (USB20FD) (Removable) (Total:7.59 GB) (Free:4.5 GB) FAT32
3 Drive x: (Boot) (Fixed) (Total:0.03 GB) (Free:0.03 GB) NTFS

Disk ### Status Size Free Dyn Gpt
-------- ------------- ------- ------- --- ---
Disk 0 Online 512 B 512 B
Disk 1 No Media 0 B 0 B
Disk 2 Online 7788 MB 0 B

Partitions of Disk 0:
===============

Disk ID: 00000000

There are no partitions on this disk to show.

======================================================================================================

Partitions of Disk 2:
===============

Disk ID: C3072E18

Partition ### Type Size Offset
------------- ---------------- ------- -------
Partition 1 Primary 7788 MB 28 KB

======================================================================================================

Disk: 2
Partition 1
Type : 0B
Hidden: No
Active: Yes

Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
* Volume 2 E USB20FD FAT32 Removable 7788 MB Healthy

======================================================================================================
============================== MBR Partition Table ==================

==============================
Partitions of Disk 0:
===============
Disk ID: 0

Partition 1:
===========
Hex: 0
Active: NO
Type: 0
Size: 0 byte

Partition 2:
===========
Hex: 0
Active: NO
Type: 0
Size: 0 byte

Partition 3:
===========
Hex: 0
Active: NO
Type: 0
Size: 0 byte

Partition 4:
===========
Hex: 0
Active: NO
Type: 0
Size: 0 byte

==============================
Partitions of Disk 2:
===============
Disk ID: C3072E18

Partition 1:
===========
Hex: 800101000BFFFFDC38000000C862F300
Active: YES
Type: 0B
Size: 8 GB

The boot configuration data store could not be opened.
The requested system device cannot be found.


****** End Of Log ******

I also get corrupt mbr..
Any help is much appreciated


Joeg
 

ksly007

New Member
May 7, 2013
1
Hi Jack,

I followed the removal instructions and got the info from frst and result after running the two scans. Will really appreciate your help as am struggling.

NB: My computer is an Acer Aspire Timeline.

Good day.

Regards,[attachment=4360][attachment=4361]
 

Attachments

  • FRST.txt
    2.6 KB · Views: 641
  • Result.txt
    2.3 KB · Views: 418

Fiery

Level 1
Jan 11, 2011
2,007
Hi,

It looks like your best course of action is to reformat as your system drive seem to be corrupted and can't be detected by the tool. Do you have any important files that you need to back up?

ksly007 said:
Hi Jack,

I followed the removal instructions and got the info from frst and result after running the two scans. Will really appreciate your help as am struggling.

NB: My computer is an Acer Aspire Timeline.

Good day.

Regards,
 

tty111

New Member
Jun 5, 2013
1
Hi Jack,

is there a way to run the recover through USB?
I know nothing about computer, and reading through the post, most of them just went over to my head.

also will I lost the files in the C drive? anyway to prevent losing them?


thanks

Kevin
 

Ravikiran

New Member
Jun 13, 2013
2
Hi All,


I am getting No booting device found error (windows7, lenovo laptop). I have data in it which I dont want to loose it. Please help me in recovering the data and solving the error . Please help me. Thanks Much in advance!!!!


Thanks & Regards
Ravikiran
 

Ink

Administrator
Verified
Staff Member
Well-known
Jan 8, 2011
22,491
Welcome, did you try the methods on the Post #1? How many Steps were you able to complete?

http://malwaretips.com/Thread-How-to-fix-no-bootable-device-%E2%80%93-insert-boot-disk-and-press-any-key?pid=61946#pid61946
 

mwinnick

New Member
Jul 17, 2013
1
I burned the Win 7 ISO to a DVD and booted from it. But when it came up the splash screen did not have the entry for Startup Repair and when I ?stupidly clicked on the arrow to proceed it began copying files. I got concerned nd aborted it. Why didn't I see that option?

Thanks
 

Serzjok

New Member
Aug 13, 2013
1
Hey all! Awesome thread. I've done everything I can. I'm on a 15"Mbp2008 Windows 7. I resized with Gparted and didn't check the "cylinder" box for merging two partitions so it erased a bunch of my boot files, windows 7 boot disks were not working so I'm using a UK Windows 8 boot disk, works well. Here are my files! Thanks in advance! I'm on my roomies computer til I can get this fixed. Have a great day, I'm off to bed.
 

Attachments

  • FRST.txt
    3.2 KB · Views: 648
  • Result.txt
    4.8 KB · Views: 612

Serzjok

New Member
Aug 13, 2013
1
Hey all! Awesome thread. I've done everything I can. I'm on a 15"Mbp2008 Windows 7. I resized with Gparted and didn't check the "cylinder" box for merging two partitions so it erased a bunch of my boot files, windows 7 boot disks were not working so I'm using a UK Windows 8 boot disk, works well. Here are my files! Thanks in advance! I'm on my roomies computer til I can get this fixed. Have a great day, I'm off to bed.
 

kabilan

New Member
Sep 13, 2013
1
Jack said:
NewImage.jpg

If your computer won't boot,and you are seeing a no bootable device – insert boot disk and press any key notification, then you can follow the below guide to fix your computer.
Here are some other Windows 7 and Vista errors which this guide can fix:
<ul>
<li>no bootable device – insert boot disk and press any key</li>
<li>NTLDR is missing or corrupted</li>
<li>Ntoskrnl.exe is missing</li>
<li>Ntdetect.com is missing</li>
<li>BOOTMGR is missing or corrupted</li>
<li>NTFS.SYS is missing</li>
<li>Hal.dll is missing</li>
</ul>
<h2>How to fix a computer that won't boot - Instructions</h2>
------------------------------------------------------
Windows 7 only:
If you don't have a install DVD for Windows 7, you can download a legal copy from the below links:
Official Windows 7 SP1 ISO from Digital River with 30 days free trial

http://msft.digitalrivercontent.net/win/X17-24208.iso > Windows 7 Home Premium SP1 x86 English
http://msft.digitalrivercontent.net/win/X17-24209.iso > Windows 7 Home Premium SP1 x64 English

http://msft.digitalrivercontent.net/win/X17-24280.iso > Windows 7 Professional SP1 x86 English
http://msft.digitalrivercontent.net/win/X17-24281.iso > Windows 7 Professional SP1 x64 English

http://msft.digitalrivercontent.net/win/X17-24394.iso > Windows 7 Ultimate SP1 x86 English
http://msft.digitalrivercontent.net/win/X17-24395.iso > Windows 7 Ultimate SP1 x64 English
Make sure you get the same version you have installed: 32 or 64 bit; Home Premium, Pro or Ultimate.
------------------------------------------------------
<>STEP 1</> : Turn your computer on, booting from either your Windows 7 Installation DVD or Windows 7 System Recovery Disc.  Remember, you may need to change the boot order inside your BIOS to have the your DVD drive boot first.

<>STEP 2:</> After the installation or recovery disc loads, if prompted, select your language settings and then continue.  If you are using the installation DVD, when prompted by the following screen select <em>Repair your computer</em>.
<a href="http://malwaretips.com/blogs/wp-content/uploads/2012/07/windows-7-repair-your-computer.jpg"><img class="alignnone size-full wp-image-3894" title="Select 'Repair your computer' option" alt="" src="http://malwaretips.com/blogs/wp-content/uploads/2012/07/windows-7-repair-your-computer.jpg" width="624" height="460" /></a>
<div><>STEP 3:</> The computer will take a moment now to scan itself for any Windows installations, after which you will likely be given a choice to select which installation you wish to repair.  Select the appropriate Windows installation from the list and then continue. If by chance a problem is detected in one of your Windows installations at this initial stage, the system may also ask you if it can try to repair the problem automatically. It is up to you if you wish to let the system try to repair itself, but otherwise just select <em>No</em>.</div>
<>STEP 4:</> Once you have reached the <em>System Recovery Options </em>screen, as shown below, you will be faced with a list of choices that can aid you in repairing a damaged Windows 7 operating system.  If you wish to try the <em>Startup Repair</em> option first, it is often successful in automatically fixing many different start up issues, but in this article we will be using the <em>Command Prompt</em> option to resolve our problems manually. So, click <em>Command Prompt</em> to continue.
<a href="http://malwaretips.com/blogs/wp-content/uploads/2012/07/systemrecoverycmd.jpg"><img class="alignnone size-full wp-image-3896" title=" Select the Command Prompt option" alt="" src="http://malwaretips.com/blogs/wp-content/uploads/2012/07/systemrecoverycmd.jpg" width="485" height="363" /></a>

<> STEP5</>: Now sitting at the command prompt, enter the following command and then press enter:

<em>bootrec.exe /FixMbr</em>

If successful, you should be greeted with the message <em>The operation completed successfully.  </em>That's it!  Your Master Boot Record has been repaired.

While the above command does fix the MBR, and sometimes that is enough, there still might be an error with the system partition's boot sector and Boot Configuration Data (BCD). This might occur if you have tried to install another operating system alongside Windows 7, such as Windows XP.  To write a new boot sector, try the following command:

<em>bootrec.exe /FixBoot</em>

If you are still faced with your Windows 7 installation not being detected during start up, or if you wish to include more than one operating system choice to your system's boot list, you can try the following command to rebuild your BCD:

<em>   bootrec.exe /RebuildBcd</em>

The above command will scan all your disks for other operating systems compatible with Windows 7 and allow you to add them to your system's boot list. If this fails, you may need to backup the old BCD folder* and create a new one in its place with the following commands:
<em>
</em>
<div><em>        bcdedit /export C:\BCD_Backup
</em></div>
<div><em>        c:
</em></div>
<div><em>        cd boot
</em></div>
<div><em>        attrib bcd -s -h -r
</em></div>
<div><em>        ren c:\boot\bcd bcd.old
</em></div>
<em>        bootrec /RebuildBcd
</em>
*Some users also find simply deleting the boot folder and retrying the above steps effective at resolving boot issues, but it is not recommended.
<h2>How to change active partitions</h2>
Upon purposely changing the active partition on my system drive, I was faced with a <em>BOOTMGR is missing </em>error during my system's start up that prevent Windows from starting. It is a common mistake to make when playing with partitions on a system drive and it can be a headache to solve if not prepared. To change your active partition back using the Windows 7 recovery disc or Installation DVD, follow the steps below.

<>STEP 1</>: Follow steps one to four in the above guide. This should take you to the Command Prompt in the Windows Recovery Environment.

<>STEP 2</>: Type <em>DiskPart </em>and then press <em>Enter</em>.

Step three: Type <em>List Disk</em> now and then press <em>Enter</em>. This command will list all disks attached to your computer and assign them a disk number.

<>STEP 3</>: Type <em>Select Disk x</em>, where <em>x</em> is the number for the disk containing the partition you wish to make active. Press <em>Enter.</em>

<>STEP 5</>: Type <em>List Partition</em> and then press <em>Enter. </em>You will now be shown a list of the partitions on the selected disk. Determine which partition you wish to make active.
You'll see a list which will display your system partition.
<span style="color: #ff0000;"><em>(this is an example list)</em></span>
<blockquote>Partition 1 OEM 39 MB
Partition 2 Primary 750 MB
Partition 3 Primary 297 GB   <span style="color: #ff0000;">< select the partition with Windows (most likely C:\ drive), which is probably the first one larger than 16 GB</span></blockquote>
<>STEP 6</>: Type <em>Select Partition x</em>, where <em>x</em> is the number of the partition you wish to make active.

<>STEP 7:</> Now, just type <em>Active</em> and then press <em>Enter.</em> That should be it - the selected partition is now active.

<a href="http://www.tomshardware.com/gallery/dhcswvmg_28dwtgvxf6_b,0101-243111-0-2-3-0-png-.html"><img title="" alt="" src="http://media.bestofmicro.com/windows-7-mbr-fix,L-3-243111-13.png" /></a>


If the above did not work, follow the instructions below and start a thread in the Troubleshooting Software/Hardware Issues forum.

Download Farbar Recovery Scan Tool from the below link:
<ul><li>For 32 bit systems download <a title="External link" href="http://download.bleepingcomputer.com/farbar/FRST.exe" rel="nofollow external"><>Farbar Recovery Scan Tool</></a> and save it to a flash drive.
For 64 bit systems download <a title="External link" href="http://download.bleepingcomputer.com/farbar/FRST64.exe" rel="nofollow external"><>Farbar Recovery Scan Tool x64</></a> and save it to a flash drive.</li>

Also download List Parts 32-bit or Listparts 64-bit and save it to the flash drive also.

<li>Plug the flashdrive into the unbootable PC.</li>

<li>Enter <>System Recovery Options</>.</li>

<>To enter System Recovery Options from the Advanced Boot Options:</>
<ul>
<li>Restart the computer.</li>
<li>As soon as the BIOS is loaded begin tapping the<> F8</> key until Advanced Boot Options appears.</li>
<li>Use the arrow keys to select the <>Repair your computer</> menu item.</li>
<li>Select <>US</> as the keyboard language settings, and then click <>Next</>.</li>
<li>Select the operating system you want to repair, and then click <>Next</>.</li>
<li>Select your user account an click <>Next</>.</li>
</ul>
<>To enter System Recovery Options by using Windows installation disc:</>
<ul>
<li>Insert the installation disc.</li>
<li>Restart your computer.</li>
<li>If prompted, press any key to start Windows from the installation disc. If your computer is not configured to start from a CD or DVD, check your BIOS settings.</li>
<li>Click <>Repair your computer</>.</li>
<li>Select <>US</> as the keyboard language settings, and then click <>Next</>.</li>
<li>Select the operating system you want to repair, and then click <>Next</>.</li>
<li>Select your user account and click <>Next</>.</li>
</ul>
<li>On the System Recovery Options menu you will get the following options:</span>
<pre>Startup Repair
System Restore
Windows Complete PC Restore
Windows Memory Diagnostic Tool
Command Prompt</pre>
<ol>
<li>Select <>Command Prompt</></li>
<li>In the command window type in <>notepad</> and press <>Enter</>.</li>
<li>The notepad opens. Under File menu select <>Open</>.</li>
<li>Select "Computer" and find your flash drive letter and close the notepad.</li>
<li>In the command window type <><span style="color: #ff0000;">e</span>:\frst.exe</> (for x64 bit version type <><span style="color: #ff0000;">e</span>:\frst64</>) and press <>Enter</>
<>Note:</><span style="color: #ff0000;"> Replace letter <>e</> with the drive letter of your flash drive.</span></li>
<li>The tool will start to run.</li>
<li>When the tool opens click <>Yes</> to disclaimer.</li>
<li>Press <>Scan</> button.</li>
<li><>FRST</> will let you know when the scan is complete and has written the <>FRST.txt</> to file, close the message.
<li>Back in the command prompt, type <><span style="color: #ff0000;">e</span>:\listparts.exe</> (for x64 bit version type <><span style="color: #ff0000;">e</span>:\listparts64.exe</>) and press <>Enter</>
<li>ListParts will start to run. Check the box beside List BCD and click Scan
<li>When finished scanning it will make a log Result.txt on the flash drive
<li>Type exit</li>
<li>Please copy and paste both FRST.txt and Result.txt logs in your next reply</li></li>
</ol>
</ul>

You can also attach the logs if they don't fit in one reply. If you don't know how to attach the files, please follow the instructions here: http://malwaretips.com/Thread-How-to-use-the-attachment-system?pid=16072#pid16072

 
Last edited by a moderator:

marvinlab

New Member
Oct 30, 2013
2
Good day sir. I hope you find time to read I'm losing hope already :(

well, I have the same 'no bootable device' problem with my laptop and I've been doing the steps you've provided in this thread but I still can't make it work. :(

I have my boot disk with me so i entered the command prompt in the system recovery options.

when i entered: "bootrec.exe/RebuildBcd"
and it shows "total identified windows installations: 1
[1] C:\Windows
Add installation to boot list?"
so I press A

It responds with : "The requested system device cannot be found"

so i entered the next step which is
"bcdedit /export C:\BCD_Backup"

but I got this: "The store export operation has failed.
The requested system device cannot be found"

I also did the changing active partitions. still no luck, when i restart my laptop it still goes to that error screen.

I've attached here the textfiles generated by FRST and List Parts.

sorry for the long post. hope you could help me. Thank you.
 

Attachments

  • FRST.txt
    80.7 KB · Views: 830
  • Result.txt
    4.1 KB · Views: 760

lschib

New Member
Nov 3, 2013
2
Jack said:
NewImage.jpg

If your computer won't boot,and you are seeing a no bootable device – insert boot disk and press any key notification, then you can follow the below guide to fix your computer.
Here are some other Windows 7 and Vista errors which this guide can fix:
<ul>
<li>no bootable device – insert boot disk and press any key</li>
<li>NTLDR is missing or corrupted</li>
<li>Ntoskrnl.exe is missing</li>
<li>Ntdetect.com is missing</li>
<li>BOOTMGR is missing or corrupted</li>
<li>NTFS.SYS is missing</li>
<li>Hal.dll is missing</li>
</ul>
<h2>How to fix a computer that won't boot - Instructions</h2>
------------------------------------------------------
Windows 7 only:
If you don't have a install DVD for Windows 7, you can download a legal copy from the below links:
Official Windows 7 SP1 ISO from Digital River with 30 days free trial

http://msft.digitalrivercontent.net/win/X17-24208.iso > Windows 7 Home Premium SP1 x86 English
http://msft.digitalrivercontent.net/win/X17-24209.iso > Windows 7 Home Premium SP1 x64 English

http://msft.digitalrivercontent.net/win/X17-24280.iso > Windows 7 Professional SP1 x86 English
http://msft.digitalrivercontent.net/win/X17-24281.iso > Windows 7 Professional SP1 x64 English

http://msft.digitalrivercontent.net/win/X17-24394.iso > Windows 7 Ultimate SP1 x86 English
http://msft.digitalrivercontent.net/win/X17-24395.iso > Windows 7 Ultimate SP1 x64 English
Make sure you get the same version you have installed: 32 or 64 bit; Home Premium, Pro or Ultimate.
------------------------------------------------------
<>STEP 1</> : Turn your computer on, booting from either your Windows 7 Installation DVD or Windows 7 System Recovery Disc.  Remember, you may need to change the boot order inside your BIOS to have the your DVD drive boot first.

<>STEP 2:</> After the installation or recovery disc loads, if prompted, select your language settings and then continue.  If you are using the installation DVD, when prompted by the following screen select <em>Repair your computer</em>.
<a href="http://malwaretips.com/blogs/wp-content/uploads/2012/07/windows-7-repair-your-computer.jpg"><img class="alignnone size-full wp-image-3894" title="Select 'Repair your computer' option" alt="" src="http://malwaretips.com/blogs/wp-content/uploads/2012/07/windows-7-repair-your-computer.jpg" width="624" height="460" /></a>
<div><>STEP 3:</> The computer will take a moment now to scan itself for any Windows installations, after which you will likely be given a choice to select which installation you wish to repair.  Select the appropriate Windows installation from the list and then continue. If by chance a problem is detected in one of your Windows installations at this initial stage, the system may also ask you if it can try to repair the problem automatically. It is up to you if you wish to let the system try to repair itself, but otherwise just select <em>No</em>.</div>
<>STEP 4:</> Once you have reached the <em>System Recovery Options </em>screen, as shown below, you will be faced with a list of choices that can aid you in repairing a damaged Windows 7 operating system.  If you wish to try the <em>Startup Repair</em> option first, it is often successful in automatically fixing many different start up issues, but in this article we will be using the <em>Command Prompt</em> option to resolve our problems manually. So, click <em>Command Prompt</em> to continue.
<a href="http://malwaretips.com/blogs/wp-content/uploads/2012/07/systemrecoverycmd.jpg"><img class="alignnone size-full wp-image-3896" title=" Select the Command Prompt option" alt="" src="http://malwaretips.com/blogs/wp-content/uploads/2012/07/systemrecoverycmd.jpg" width="485" height="363" /></a>

<> STEP5</>: Now sitting at the command prompt, enter the following command and then press enter:

<em>bootrec.exe /FixMbr</em>

If successful, you should be greeted with the message <em>The operation completed successfully.  </em>That's it!  Your Master Boot Record has been repaired.

While the above command does fix the MBR, and sometimes that is enough, there still might be an error with the system partition's boot sector and Boot Configuration Data (BCD). This might occur if you have tried to install another operating system alongside Windows 7, such as Windows XP.  To write a new boot sector, try the following command:

<em>bootrec.exe /FixBoot</em>

If you are still faced with your Windows 7 installation not being detected during start up, or if you wish to include more than one operating system choice to your system's boot list, you can try the following command to rebuild your BCD:

<em>   bootrec.exe /RebuildBcd</em>

The above command will scan all your disks for other operating systems compatible with Windows 7 and allow you to add them to your system's boot list. If this fails, you may need to backup the old BCD folder* and create a new one in its place with the following commands:
<em>
</em>
<div><em>        bcdedit /export C:\BCD_Backup
</em></div>
<div><em>        c:
</em></div>
<div><em>        cd boot
</em></div>
<div><em>        attrib bcd -s -h -r
</em></div>
<div><em>        ren c:\boot\bcd bcd.old
</em></div>
<em>        bootrec /RebuildBcd
</em>
*Some users also find simply deleting the boot folder and retrying the above steps effective at resolving boot issues, but it is not recommended.
<h2>How to change active partitions</h2>
Upon purposely changing the active partition on my system drive, I was faced with a <em>BOOTMGR is missing </em>error during my system's start up that prevent Windows from starting. It is a common mistake to make when playing with partitions on a system drive and it can be a headache to solve if not prepared. To change your active partition back using the Windows 7 recovery disc or Installation DVD, follow the steps below.

<>STEP 1</>: Follow steps one to four in the above guide. This should take you to the Command Prompt in the Windows Recovery Environment.

<>STEP 2</>: Type <em>DiskPart </em>and then press <em>Enter</em>.

Step three: Type <em>List Disk</em> now and then press <em>Enter</em>. This command will list all disks attached to your computer and assign them a disk number.

<>STEP 3</>: Type <em>Select Disk x</em>, where <em>x</em> is the number for the disk containing the partition you wish to make active. Press <em>Enter.</em>

<>STEP 5</>: Type <em>List Partition</em> and then press <em>Enter. </em>You will now be shown a list of the partitions on the selected disk. Determine which partition you wish to make active.
You'll see a list which will display your system partition.
<span style="color: #ff0000;"><em>(this is an example list)</em></span>
<blockquote>Partition 1 OEM 39 MB
Partition 2 Primary 750 MB
Partition 3 Primary 297 GB   <span style="color: #ff0000;">< select the partition with Windows (most likely C:\ drive), which is probably the first one larger than 16 GB</span></blockquote>
<>STEP 6</>: Type <em>Select Partition x</em>, where <em>x</em> is the number of the partition you wish to make active.

<>STEP 7:</> Now, just type <em>Active</em> and then press <em>Enter.</em> That should be it - the selected partition is now active.

<a href="http://www.tomshardware.com/gallery/dhcswvmg_28dwtgvxf6_b,0101-243111-0-2-3-0-png-.html"><img title="" alt="" src="http://media.bestofmicro.com/windows-7-mbr-fix,L-3-243111-13.png" /></a>


If the above did not work, follow the instructions below and start a thread in the Troubleshooting Software/Hardware Issues forum.

Download Farbar Recovery Scan Tool from the below link:
<ul><li>For 32 bit systems download <a title="External link" href="http://download.bleepingcomputer.com/farbar/FRST.exe" rel="nofollow external"><>Farbar Recovery Scan Tool</></a> and save it to a flash drive.
For 64 bit systems download <a title="External link" href="http://download.bleepingcomputer.com/farbar/FRST64.exe" rel="nofollow external"><>Farbar Recovery Scan Tool x64</></a> and save it to a flash drive.</li>

Also download List Parts 32-bit or Listparts 64-bit and save it to the flash drive also.

<li>Plug the flashdrive into the unbootable PC.</li>

<li>Enter <>System Recovery Options</>.</li>

<>To enter System Recovery Options from the Advanced Boot Options:</>
<ul>
<li>Restart the computer.</li>
<li>As soon as the BIOS is loaded begin tapping the<> F8</> key until Advanced Boot Options appears.</li>
<li>Use the arrow keys to select the <>Repair your computer</> menu item.</li>
<li>Select <>US</> as the keyboard language settings, and then click <>Next</>.</li>
<li>Select the operating system you want to repair, and then click <>Next</>.</li>
<li>Select your user account an click <>Next</>.</li>
</ul>
<>To enter System Recovery Options by using Windows installation disc:</>
<ul>
<li>Insert the installation disc.</li>
<li>Restart your computer.</li>
<li>If prompted, press any key to start Windows from the installation disc. If your computer is not configured to start from a CD or DVD, check your BIOS settings.</li>
<li>Click <>Repair your computer</>.</li>
<li>Select <>US</> as the keyboard language settings, and then click <>Next</>.</li>
<li>Select the operating system you want to repair, and then click <>Next</>.</li>
<li>Select your user account and click <>Next</>.</li>
</ul>
<li>On the System Recovery Options menu you will get the following options:</span>
<pre>Startup Repair
System Restore
Windows Complete PC Restore
Windows Memory Diagnostic Tool
Command Prompt</pre>
<ol>
<li>Select <>Command Prompt</></li>
<li>In the command window type in <>notepad</> and press <>Enter</>.</li>
<li>The notepad opens. Under File menu select <>Open</>.</li>
<li>Select "Computer" and find your flash drive letter and close the notepad.</li>
<li>In the command window type <><span style="color: #ff0000;">e</span>:\frst.exe</> (for x64 bit version type <><span style="color: #ff0000;">e</span>:\frst64</>) and press <>Enter</>
<>Note:</><span style="color: #ff0000;"> Replace letter <>e</> with the drive letter of your flash drive.</span></li>
<li>The tool will start to run.</li>
<li>When the tool opens click <>Yes</> to disclaimer.</li>
<li>Press <>Scan</> button.</li>
<li><>FRST</> will let you know when the scan is complete and has written the <>FRST.txt</> to file, close the message.
<li>Back in the command prompt, type <><span style="color: #ff0000;">e</span>:\listparts.exe</> (for x64 bit version type <><span style="color: #ff0000;">e</span>:\listparts64.exe</>) and press <>Enter</>
<li>ListParts will start to run. Check the box beside List BCD and click Scan
<li>When finished scanning it will make a log Result.txt on the flash drive
<li>Type exit</li>
<li>Please copy and paste both FRST.txt and Result.txt logs in your next reply</li></li>
</ol>
</ul>

You can also attach the logs if they don't fit in one reply. If you don't know how to attach the files, please follow the instructions here: http://malwaretips.com/Thread-How-to-use-the-attachment-system?pid=16072#pid16072

 

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Last edited by a moderator:

Lxixboss

New Member
Nov 24, 2013
1
Hi all,
Like many of you, I stumbled upon this site while trying to solve my computer boot issues. I will summarize my problem and hope that some of you may have insights.
System: Acer Aspire 5552G-5828 laptop, Windows 7 Home Premium, all updates current. 6GB RAM, 1TB Samsung internal hard drive (Model number HN-M101MBB).
Problem: On approximately every second reboot, I get the "no bootable device" message. After a few reformats and reinstalls of OS, I have found that this solution usually works:
1- Enter BIOS (at this point, it sees only the DVD drive and no hard drive)
2- Change hard drive from AHCI to IDE, save and exit BIOS.
3- Windows tries to reboot, get brief bluescreen and then Windows offers to go to Repair mode
4- Power laptop off and on, re-enter BIOS (BIOS now sees hard drive)
5- Change hard drive back from IDE to AHCI
6- Save and exit BIOS.
7- Windows gives option to boot normally or go to recovery. I choose Boot Normally
8- System reboots and Bob's your uncle.
As I said, this happens approximately every second reboot. I have run Seagate's SeaTools (every test except extended). I am now running CHKDSK (upon reboot) Currently at 26%, stage 5 of 5, no errors detected.
HELP!
 

ANUJ KASHYAP

New Member
Jul 19, 2014
1
No bootable device -- Please insert boot disk and press any key ...

Whenever I am opening my Compaq Presario CQ45 Laptop (Windows 7 Ultimate) above message flash on the Black screen. No Safe mode/System Options(Blue screen) is appearing now. I tried inserting the internal hard disk to other PC as well but there also it shows "No bootable device -- Please insert boot disk and press any key ..." and was not reading the same.
I have some important data on my C: and internal harddisk(including Desktop) which I want. Moreover, my CD-rom is not working. However, earlier when I restored the system to a back date it does started but was taking a lot of time and because of that I restarted the Laptop with some hanged aplications and the Laptop never started flashing the above message. I showed the same to a technician and he said the harddisk is might have crashed and have some bad sectors due to which it is showing the message.
Could you please help me how I can get my data back with the harddisk repair method.
Thanks & Regards,
Anuj Kashyap
 

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