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Did Windows Vista x64 kill my PSU???

C

chris21adan

Member
I was using my computer late last night and I decided to get some sleep. I tried shutting my PC off but I accidently clicked on "sleep mode" instead. Fast forward 8 hours later and my PC fails to boot properly. I disconnected the power cord, flip the PSU switch off, plug the power cord back in and switch the PSU switch back on. All of the fans are running but I notice that all the LED's coming from my PC are blinking and I also hear a high pitch noise. After about a minute or two, the PC shuts off by itself but the high pitch sound remains until I hit the PSU switch to the off position. Keep in mind that the power button on the front of my tower no longer works and if I switch the back PSU switch off and then back to on, the computer repeats the "high pitch noise/blinking LED's" process for about 2 minutes and then shuts off. When my computer is "on", I get no video at all and the motherboard does not post. I've tried different ram, different hard drives, resetting the motherboard, took out the motherboard battery and then put it back in, disconnected my DVD drives and I've also disconnected my video card. My question is, is it possible that my PSU is stuck in "sleep mode"? Any ideas as to what my problem seems to be? Btw, I had all of the latest drivers, Bios and firmware updates.
 
This is antitodotal, but I've heard of a problem with certain Nvidia devices and Vista. Sleep goes to s1 at some point and most of the system fans are turned off. However, on some motherboards the video card does not go into low power mode. The result is the video card running without fan support, the chips fry, and well basic badness then occurs.

Hopefully that isnt he case here, but check the video card. Short of that, if it was our psu's time it was your psu's time. Vista wasn't likely to made that better/worse.

Bill
 
Thanks for the reply bsobel. I forgot to mention that a tiny high pitch noise was coming from my PC about 1-2 months ago. The noise would go away once I switched the PSU off. I also noticed that the PSU's fan does not appear to be working. Shouldn't the PSU fan always be running? After my PC failed to boot up propoerly, I noticed that the high pitch noise was even louder than before.
 
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