power supply

Dennis Faas's picture

How to Fix: Bootable Prime95 to Stress Test Hardware

Infopackets Reader Peter M. writes: " Dear Dennis, I have a very strange issue. I recently put together a new computer build and installed Windows 10. Everything was working fine for the past month or so, then all the sudden, Windows 10 won't boot ... into the login screen - it simply freezes at the swirling dots. Surprisingly, I can remote desktop into the problematic machine from another, but the system stability doesn't last and eventually it freezes up on me. I suspect I have a hardware problem - perhaps the video card. I've managed to run 'msconfig' and specified Safe Mode with Networking, ... (view more)

Dennis Faas's picture

How to fix: CPU Fan Stuck at 100%

Infopackets Reader 'Alan' writes: " Dear Dennis, My CPU fan is stuck at 100% full load (same as my chassis fan) - and it's very loud. The fans started running at high RPM shortly after I updated my Asus motherboard BIOS. I tried changing my BIOS fan ... controls, but that doesn't seem to work. I also downgraded the BIOS firmware by updating to my previous BIOS version, but that didn't help and the CPU fan is stuck, regardless. So, I called ASUS and they said to replace the BIOS chip. I did this and still no luck. Before all this, I could control fan speeds with Silent, Standard, Turbo, or Manual ... (view more)

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Computer Keeps Powering Off, Unstable, Intermittent?

Infopackets Reader 'rbruner' writes: " Dear Dennis, I have an older, but still viable Systemax XP computer that was upgraded to Windows 7 . The problem is that the unit powers down within a few minutes of powering on. I have already replaced the ... motherboard and power supply , kept the CPU (an AMD 4400+, circa Q4 2008). When I boot into safe mode, the unit is operational, but but if I boot up Windows 7 normally or insert a Ubuntu Linux Live CD, my PC will crash. Should I try another CPU? " My response: Based on what you're telling me, the issue might be hardware-related, ... (view more)

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