Before we go forward and run some of the tests that we are going to see hereinafter, let us check a few of the symptoms to understand if those tests are worth doing. We have mentioned some symptoms ...

Computer power supply units are designed to both power your computer's components and protect them from minor surges. But too large of a surge will blow a PSU's fuse and render a computer powerless, ...

Graphics Cards Best graphics cards in 2025: I've tested pretty much every AMD and Nvidia GPU of the past 20 years and these are today's top cards Hardware One of the best upgrades I made to my gaming ...

1] Does the PSU fan spin on startup? Some users reported that their Power Supply Unit fan spins on startup but stops after some time. Others reported that the PSU fan does not spin even on startup.

Troubleshooting computer power issues can be difficult, as the problem could originate with the power supply unit, or PSU, or the motherboard. Testing each component separately helps narrow down where ...

When your bench supply's capacitors are all charged up with nowhere for that charge to go, an active down-programmer is a handy technique that brings rise and fall times back into a viable range. Here ...

Problems running Apple Hardware test Some users are reporting inexplicable issues with access to the Apple Hardware Test function offered on the Mac OS X Install disc included with Mac Pros. MacFixIt ...

The best power supply (PSU) fuels your PC with the energy it needs to run your components. It's a simple part of your rig, but a crucial one that could become a real pain. The best PSUs need to keep ...