PC not booting

4737Joker

4737Joker

4737Joker

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Joined
22 Nov 2004
Posts
1,428
Hi all,

woke up this morning and turned the PC on, nothing happened, just a black screen and the monitor doesn't come on. All the fans come on and the lights but no screen.
The PC isn't booting into windows I don't think, when I press some of the buttons on the keyboard the lights on the keyboard flash then nothing; capslock key doesn't make the light go on/off etc.

I've tried the following: -

Took the RAM out, tried RAM in each slot and in different combinations.

Took out the graphics card and reseated it several times.

Took out the Motherboard and rebuilt it all from scratch.

When the PC turns on the Graphics Card fan seems to go to full speed instead of settling down. The monitor light just stays at orange. There's no beeps or anything, the only thing odd is the graphics card fan going to full speed.

The system is as follows;

Abit IP35 Motherboard
OCZ 2x1GB PC2-8500 1066mhz
Intel Core 2 Duo E6550
BFG GeForce 8800 GTS 320MB

Anyone have any idea's?

Thanks!
 
Also forgot to add I've tried booting without any RAM and the exact same thing happens.
Click to expand...

It won't POST without RAM, you'll just get RAM Error beeps.

Looks like it could be a GPU fault with this change in behavior, would you be able to try another GPU in your system or try the GPU in another system?
 
Remove everything; you should get error beeps a plenty (no cpu, no memory etc). If this doesn't happen then either the mobo or the PSU are gone.

I'm better - PSU failure

What PSU is it?
 
I've had this problem in the past, narrowed it down to my CPU. It would switch on and just run at full pelt. Don't think it even began the BIOS, no beeps, nadda.

I replaced the CPU and it booted fine.
 
This sounds exactly the same as what happened to me when my Antec Truepower380 PSU and Abit NF7-S mobo died.

My PSU would power up an old mobo by itself but when I added a drive it could power that up so do check the PSU under some load.
 
I presume the motherboard has an onboard speaker?

If it does, and as stated earlier, just take everything out / unplug...only leaving the cpu in, when you turn it on, you should get three long post beeps, if you don't, the problem is either the cpu or motherboard.

The above is assuming you have an onboard speaker on the motherboard, or you have a case speaker attached. :)
 
Yeah the motherboard has onboard speakers as it beeps when I take the power cable out of the graphics card. I've just tried resitting the processor and basically rebuilt it from scratch and got exactly the same thing.

Think I'm gonna have to try my processor in my friends PC and see if its that.
 
Did you try booting it with no RAM like I suggeted? As that will rule out faulty RAM and point it towards the motherboard and CPU. Which it seems its more likely to be at this present time.
 
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