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Is my PSU dying? [RESOLVED tyvm]

post #1 of 8
Thread Starter 
As the title asks.
When I switch on, the PSU fan spins, as does the CPU fan. However, the CPU fan doesn't spin at a consistent speed - it varies and sort of "whirrs" up & down.
No POST
No Vid output

Sadly, I do not have a known good PSU with which to test.

PSU dying?

TY in advance
Edited by newphase - 8/7/11 at 10:23am
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post #2 of 8
Have you got a Multimeter to read the voltage on the rails?

Unplug everything but a 120mm fan. or something to add load. and then add the multimeter to the 12v and see what it reads.
Edited by andrewmchugh - 8/7/11 at 9:59am
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post #3 of 8
Well I do know that if you have the CPU fan plugged into the main CPU fan header the motherboard will adjust the fan speed based on CPU temperature.

There is a wide variety of problems that could cause your system not to post.You may want to check your connections make sure all your hardware is connected securely. I wish I could help you further partner. Maybe someone else can help you out.
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post #4 of 8
Thread Starter 
Update
I found an old 300W PSU and have now got that to the board + the 4pin from original 800W to the board.
300W to the 2nd HDD (ide), primary drive is sata.

Umm... I can now power ON!


However, after POST, I get:
L 01 01 01 01 01 01(etc) covering half the screen, before LiLo loads.

Going to try LiLo repair and get back to you.

Thanks for input so far - I have no multimeter, but have now at least ( I think ) confirmed PSU is dying.
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post #5 of 8
What "800W" PSU do you have?
post #6 of 8
Thread Starter 
Quote:
Originally Posted by Phaedrus2129 View Post
What "800W" PSU do you have?
Some random pos had it for ages.

UPDATE:
LiLo repaired! Phew! Now I can do some minecraft, hurrah!

Thanks all for the input.
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i7 Asus Lappy GeForce GT520M 4096 
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post #7 of 8
Quote:
Originally Posted by newphase View Post
Some random pos had it for ages.

UPDATE:
LiLo repaired! Phew! Now I can do some minecraft, hurrah!

Thanks all for the input.
thats your problem, buy a new quality unit and it will last you for many years to come without problem
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post #8 of 8
Thread Starter 
Quote:
Originally Posted by ShortySmalls View Post
thats your problem, buy a new quality unit and it will last you for many years to come without problem
I will. It was a gift and I only work part-time due to disability so saving does take me a while
Thanks for your input, though
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My System
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i7 Asus Lappy GeForce GT520M 4096 
Hard DriveOptical DriveOSMonitor
500GB LG W7=64 ult + Slackware13.1_64 + MineOS HP w2207h 
KeyboardCaseMouse
logitech G11 Fugly, lol logitech mx518 
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