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pc powers up but wont boot

runningman

FPCH New Member
Joined
Dec 19, 2007
Messages
3
#1
Hi,
I left my PC running while out in the garden for a while, when I came back it had stopped working, fans working but blank screen.
I turned it off then back on again and it powered up fans all working but wont boot up and no Bleeps.
I havnt changed or upgraded anything and PC has been running fine bar turning itself off occasionally recently.
I have tried another monitor to see if that was the problem but still nothing.
I have been told by friends could be Motherboard or hard drive .
I would appreciate any help or advice on how to find out whats wrong.
Thanks.
 

Seth

FPCH Long Term Member
Joined
Dec 17, 2007
Messages
2,268
Location
Canada
Operating System
Windows Vista - Home Premium
#2
Hello Runningman and welcome to PC Help.

There is a program called the BIOS that is built into the motherboard. When you first turn on your computer, it displays the black screen with white letters that shows system information and checks the devices on your computer. All of that precedes the loading of XP. The issue is not the hard drive, as the bios program begins and becomes visible on the screen before it even knows you have a hard drive.

The problem is either with your power supply or motherboard. Their is a slight chance the problem may be with the video card (if it's an add on), or the memory.

If you have a separate video card, then remove it and try the system with the video port that is on the motherboard. Although your motherboard may not have a video port. If you're comfortable with it and the motherboard has more than one stick of ram, try one at at a time.

I almost forgot the most simple thing to try. Unplug the computer, wait a half hour, then see if it powers up.
 
W

Wolfeymole

#3
As Seth said Running Man Welcome

Good ideas from Seth but may I ask how long it is since you gave the pc a really good clean out?

Dust can accumulate on the CPU fan and the CPU could then overheat causing a shutdown.