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Windows 7: Hey my friends Pc turns off unexpectedly


07 Jul 2011   #1

Windows 7 64Bit Ultimate Edition SP1
 
 
Hey my friends Pc turns off unexpectedly

Hey my friends Pc turns of unexpectedly, i am not sure what is causing this fault, i do not think it is the CPU or RAM as that usually results in a BLUE SCREEN.

I have noticed that the top of the case where the PSU is housed is way too hot, i have even opened it up and touched the PSU and it is way too hot. It even smells as if it is burning.

Here is some temp and voltage readings etc.

My System SpecsSystem Spec
.

07 Jul 2011   #2

Windows 7 Home Premium 64bit
 
 

Well if the PSU is cranking up the ambient temperature of your rig it will turn itself off, an attempt of self-preservation from your PC . Seeing as how cheap PSUs have become I would try replacing it, it is the mostly likely cause of your problem given the symptoms and observations you've provided.
My System SpecsSystem Spec
07 Jul 2011   #3

Windows 7 64Bit Ultimate Edition SP1
 
 

When you look at my attachment, does that have any clues?
My System SpecsSystem Spec
.


07 Jul 2011   #4

Windows 7 64Bit Ultimate Edition SP1
 
 

Notice on the volts bit, it is minus, what is that all about?????
My System SpecsSystem Spec
07 Jul 2011   #5

Windows 7 Home Premium 64bit
 
 

Your voltages all look fine ~to me~ the only thing that's a little high on your read-out is the temperature of your graphics card, 132F is a little toasty.
My System SpecsSystem Spec
07 Jul 2011   #6

Windows 7 Enterprise
 
 

The psu puts out negative voltages.
Sounds likes you are requiring too much power than what the PSU can put out. Upgrading that would be the first start.

How many/much watts is the supply rated at? And what are the specs of your friends machine?
My System SpecsSystem Spec
07 Jul 2011   #7

Windows 7 64Bit Ultimate Edition SP1
 
 

Mates Specs

Mobo - Gigabyte GA-M720-US3 Motherboard Phenom FX Socket AM2+ nForce 720D ATX RAID Gigabit Ethernet LAN

CPU - AMD Athlon™ X2 5600+

GPU - Geforce 8400gs

Plus it has 4 small 80mm fans.

PSU - 450 Watts.
My System SpecsSystem Spec
07 Jul 2011   #8

Windows 7 Ultimate SP1 64-Bit
 
 

The GeForce 8400 GS card is slow and only needs a power supply of 250-300 watts.

If the power supply smells of burning and is very hot you should consider changing it - soon.

The computer is turning itself off as an act of self-preservation at the excessive heat being generated by the PSU.
My System SpecsSystem Spec
07 Jul 2011   #9

Windows 7 Enterprise
 
 

Check out this power supply calculator.
It came up with recommend 284W, but I think you can fill in the specs a bit more accurately.

Another thing to check is dust build up around the fans or heatsinks. Need to keep them clean.
My System SpecsSystem Spec
07 Jul 2011   #10

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by xarden View Post
Another thing to check is dust build up around the fans or heatsinks. Need to keep them clean.
It should go without saying, but I had to call someone on it today, use canned air to blow dust out of a computer, and not an air compressor with a blower tip. Air compressors generate moisture and blow it right into your rig.
My System SpecsSystem Spec
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 Hey my friends Pc turns off unexpectedly




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