Dead psu?

Brookert

Brookert

Brookert

Soldato
Joined
13 Dec 2010
Posts
4,219
Hi there. Thought I'd post to get some opinions.

Last night my pc had been crashing very frequently, 6 times in an hour. when I took my headphones off, I noticed the psu fan was running very slow, and little heat was being produced from it.

The last crash of that night resulted in my pc being unable to boot into the bios. Fans etc would run, but the dvd drive would start to spin, then stop, then start again. There was no picture on the moniter at all, both gfx card and mobo gfx card slots.

The next day, I managed to boot into windows, followed. by a crash a few minutes later. After that, the pc would fail to boot to the bios again.

Only thing I can put it down to is a psu which has gone.

Any ideas?
 
Can do on saturday. Ive got it running right now with a few fans, but i suppose its not a proper test of the psu. this could be another case of el cheapo psu going to the skip.
 
I noticed the psu fan was running very slow, and little heat was being produced from it.
Click to expand...

Does your PSU normally give out a lot of heat?
It would help if you explained what PSU you had also, but like stated I would definetly try another one in there first.

Does it just crash when under load, or does it also crash while your pc is idle?
 
power supply is a cit 750w

Last time i had it running, it was idleing ok, opened up firefox and it crashed. haven't been able to get on it since.

And yes the power supply was always had warm air coming out. probably not the best air circulation where it was situated.
 
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The CIT 750W, as far as I can tell (Lots of sites are strangely secretive about it's specs) is basically a 40A @ 12v PSU, so should be marketed as a 450W PSU really.

What sort of system are you powering it with? Specs?

PSU is the first thing I'd check (replace), considering that although it fails in Windows it's also failing to boot on occasion.
 
CIT are crap. No other word for it. Always buy a quality branded power supply. It's a stupid place to try and save money on as you almost always end up buying another to replace it. You better hope if it's failed it has'nt taken anything with it.
 
system is as follows

Amd Phenom x4 9850
Sapphire 5770 card
4gb pc-6400 corsair xms2
500gb hitachi 7200rpm 16mb cache
Samsung 22x DVD±RW IDE Rewriter

I had 3 120mm case fans and a Corsair Hydro H50 Watercooler for the cpu.

won't buy a cheap one again, I've learnt my lesson :(
 
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