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<blockquote data-quote="Digerati" data-source="post: 711443" data-attributes="member: 59833">You are assuming it is power (and it may very well be) but it could also be heat related. So check your temps and if necessary add extra cooling - you might even consider blasting a desk fan on your devices.One problem I have seen when using multiple power supplies is a lack of a common ground. This commonly happens when different wall outlets are used to supply power to the different power supplies. This happens because every outlet has a different path to Earth ground which means a slightly different resistance to Earth ground through each outlet. So you need to correct this by running a common ground wire between each power supply. It does not have to be anything special. Inexpensive &quot;22awg&quot; wire is fine. Just make sure there are no breaks in the wire and connect it a power supply case screw on the back of each supply, &quot;strapping&quot; each PSU together.Also, every home and every computer user should have access to a <a href="https://www.walmart.com/ip/ELECTRICAL-GFI-GFCI-RECEPTACLE-TESTER-AC-OUTLET-PLUG-3-PRONG-GND-OPEN-HOT-REV-OK/117628503" target="_blank">AC Outlet Tester</a> to ensure your outlet is properly wired and grounded. I recommend one with a GFCI (ground fault circuit interrupt) indicator as it can be used to test bathroom and kitchen outlets (outlets near water) too. These testers can be found for your type and voltage outlet, foreign or domestic, (like <a href="http://www.maplin.co.uk/p/mains-socket-tester-wd53h" target="_blank">this one</a> for the UK) at most home improvement stores, or even the electrical department at Wal-Mart. No doubt a local home improvement store will have one for your Portuguese outlets too. Use it to test all the outlets in the home and if a fault is shown, have it fixed by a qualified electrician.</blockquote>

[QUOTE="Digerati, post: 711443, member: 59833"] You are assuming it is power (and it may very well be) but it could also be heat related. So check your temps and if necessary add extra cooling - you might even consider blasting a desk fan on your devices. One problem I have seen when using multiple power supplies is a lack of a common ground. This commonly happens when different wall outlets are used to supply power to the different power supplies. This happens because [U]every[/U] outlet has a different path to Earth ground which means a slightly different resistance to Earth ground through each outlet. So you need to correct this by running a common ground wire between each power supply. It does not have to be anything special. Inexpensive "22awg" wire is fine. Just make sure there are no breaks in the wire and connect it a power supply case screw on the back of each supply, "strapping" each PSU together. Also, every home and every computer user should have access to a [URL='https://www.walmart.com/ip/ELECTRICAL-GFI-GFCI-RECEPTACLE-TESTER-AC-OUTLET-PLUG-3-PRONG-GND-OPEN-HOT-REV-OK/117628503']AC Outlet Tester[/URL] to ensure your outlet is properly wired [U]and grounded[/U]. I recommend one with a GFCI (ground fault circuit interrupt) indicator as it can be used to test bathroom and kitchen outlets (outlets near water) too. These testers can be found for your type and voltage outlet, foreign or domestic, (like [URL='http://www.maplin.co.uk/p/mains-socket-tester-wd53h']this one[/URL] for the UK) at most home improvement stores, or even the electrical department at Wal-Mart. No doubt a local home improvement store will have one for your Portuguese outlets too. Use it to test all the outlets in the home and if a fault is shown, have it fixed by a qualified electrician. [/QUOTE]

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