PC dead and not booting

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Soldato
Joined
4 Nov 2004
Posts
14,455
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Strange things have been happening to my PC over the past few days:

- On thursday i woke up and after leaving my PC on overnight it randomly just restared itself when i sat down.
- Randomly restarted itself yesterday about 5 or 6 times. All the restarts were in windows, and i managed to play css for an hour during the day without a restart.
- Today i installed windowsbinds (theme editor) and after rebooting it froze at the windows login screen. Restarted and it now won't boot :confused:

Reseting the CMOS for about 30 seconds has made no difference with the PC powering up and the gfx fan just sits at 100%. My overclock has been stable for about a month without any problems until this, and my idle temp is 37ish with around 50 load.

Ive left the CMOS reset jumper in for a while and will try again later. Any ideas as i need to write a presentation for monday tomorrow :confused:

ta
 
Does it POST?
If it doesnt then its probably a hardware fault either PSU, RAM, GFX.

Describe what happens when you push the power button; is there anything on screen etc
 
**** it stupid thing, i suspected a hardware failure.

When i press the power button everything spins up and powers up as usual, but the monitor remains blank and the gfx fan just stays at full speed.
 
Could be the gfx card. Did you overclock it? If you've got a second computer you could try putting it in that OR if theres onboard gfx try that first.

However, do not rule out the possibility of a dodgy PSU because that can cause random restarts.
 
Right got it sort of running again, but im sure something is on its last legs, probs the mobo.

Took out both sticks of ram and put one of them in the 2nd slot rather than *** first. Booted up!!! Possibly mobo :confused:, and im about to try *** other ram stick to see if the mobo killed it.

It still takes far too long at *** login screen to load up, plus the generic win32 process thingy crashed first time i booted up. Am doing a system restore back to a pointlast week when everything was running fine.
 
"Asus P5B-D (maxed out voltages)"

what can I say...

The P5B will normally POST even on a dead CPU, and GPU problems _should_ result in an error beep - but not always...

have you run memtest through 3-4 passes since it died - its possible the RAM has degraded...
 
adfinni said:
It still takes far too long at *** login screen to load up, plus the generic win32 process thingy crashed first time i booted up. Am doing a system restore back to a pointlast week when everything was running fine.
Click to expand...

I wouldn't bother with windows, restore, etc. your OS is not your problem... you need to get the heardware side fixed.
 
Rroff said:
"Asus P5B-D (maxed out voltages)"

what can I say...

The P5B will normally POST even on a dead CPU, and GPU problems _should_ result in an error beep - but not always...

have you run memtest through 3-4 passes since it died - its possible the RAM has degraded...
Click to expand...

Well the voltage options are there for a reason :D THe NB is maxed at 1.65V, SB at 1.6V, both heatsinks have had AS5 applied to them.

ANyway, the pc is up and running again with the ram back in its original slots. Im going to run memtest overnight tonight to test stability. Plus my overclock is at 3,5ghz, with some css action coming up now to test stability.

Very weird and worrying problem.
 
frostycore said:
If it isn't the RAM then I would say it was the PSU that's the cause. Motherboards hardly fail!
Click to expand...

hmmmm i hope not. I have a corsair 520W HX, and its been pretty good so far. il keep an eye out :D
 
Well came back to my PC this morning after leaving it overnight donwloading some things.... and frozen, with an error about the program i was using.

Tried booting and nothing. Tried reseting CMOS, reseating each of the ram sticks in different slots, disconnecting everything except vital parts. Could htis possibly be a ram related problem, as i found it hard to get my PC properly stable when i was overclocking as i would get random BSOD's even when game and 12h orthos, 12h memtest stable. They happened at random times and i had the same problems in getting my pc to boot.

Im considering buying some stupidly cheap ddr2 to see if thats the problem.

:(
 
Didn;t get to run memtest before it died.

When i reached my overclock of 3.5ghz a month ago i left it at that. That overclock was 12hrs memtest test #5 and 12hrs orthos stable. Now all of a sudden it's gone to **** and it won't boot. Also, as i said earlier temps are irrelevant and were fine, but the voltages on the mobo were quite high, but the cooling was sufficient.


saw this on another forum:

Take the video card out and turn the PC on. If it beeps (one long, three short beeps) then the MB is OK and the video card isn't working for whatever reason. If you get no beeps (and you have a speaker hooked up) then the MB is bad. Also try it with speakers plugged into the green audio jack in the back, as Asus has that speaking POST reporter thing and if it's turned on the board doesn't beep IIRC.
Click to expand...

Took out my video card and there were no beeps :( IS that quote correct in saying the mobo is dead ?
 
Its quite possible but personally i don't trust the BIOS beep codes because sometimes it will beep and other times it won't. I had to diagnose a dead pc the other day and pulled out the graphics card but it didnt beep on bootup! Just a blank screen.

Maybe other people have other experiences but I can't say for sure! Still might be the PSU....
 
Sounds like the PSU or RAM tbh. If you can run memtest86+ from a bootable CD that'd help diagnose it. I'm inclined to think it's the PSU though.
 
I think i haven't made it clear, and used the wrong wording. I don't been BOOT, i can't get the PC to POST AT ALL. It could still be dead memory, but as i can't get it to post im pretty sure it's the mobo.

I might get some cheap DDR2 from purple shirt shoppy today so i can eliminate the fact that it is the RAM.
 
Last edited:
tsgray70 said:
Are you sure it's dead - It may just be pining for the Fjords :D
Click to expand...

:confused: :p Lol are you drunk ?

I might give it a punch in the ovaries, or cover it in mustard to see if that can promote copper trace growth ;)
 
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