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, ...

Cooling Best PC fans in 2025: I've put these case fans through their paces to find the coolest and quietest Processors Best CPU for gaming in 2025: These are the chips I recommend for 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.

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 ...

Standard ATX power supplies aren't designed to turn on unless they are properly connected to a motherboard. This helps to ensure that they can't power up and damage computer components if the plug isn ...

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 ...