think my pc may be dead

  eric_bloodaxe 12 Feb 13
Locked

While surfing this afternoon i suddenly found the pointer had stopped working. then I realized the PC had frozen. got no task manager so pushed power button to force shutdown. Tried to reboot to find the fans come on, but, nothing else happens. I have tried new mouse/ keyboard. I have checked voltages on power supply to SATA drive. All is as it should be. Tried taking out recent sticks of RAM. left one 512Mb stick in. nothing! haven't tried a new monitor, but, it was still working when everything failed and still has power. I am not in a good position to take the drive into another pc but I am getting no activity from the drive at all. No post card either so no idea what is happening. any suggestions? OS is XP SP3. CMOS battery shows around 3V, which is what it should. I have also had the heat sink off the CPU cleaned everything of some dust and reinstalled with fresh silver guck.

  lotvic 12 Feb 13

So if you disconnect/take out the hard drive, are you saying you don't even get the Post screen or anything showing on the monitor?

Is the monitor giving you the 'no signal' message/orange light (on standby)?

Do you have onboard graphics or a separate card? (and have you tried both) it could be graphics card failure if you get nothing at all on monitor screen.

Any troubleshooting should be done with hard drive disconnected, until you can successfully get a Post screen and can view Bios

  woodchip 12 Feb 13

PSU done a bunk

  eric_bloodaxe 12 Feb 13

Hi; the monitor has the orange standby light on but never goes green. I am getting nothing!! no post screen, no error message, no option to go into safe mode or BIOS. Graphics is on an expansion card but there is no "onboard" graphics. the input is not connected, so the expansion card is the graphics. I have just tried unplugging the HDD and still all I get is the fan starting. there is actually a couple of mechanical noises right at the start which would normally precede the HDD starting. I suspect the HDD as it is fairly noisy and it is not responding at all now.

  eric_bloodaxe 12 Feb 13

Hi again. just noticed the latest post. The main and PSU fans start and run. also there is an orange light on the Mobo when power is on. Also I tested the voltages on the HDD power connector and got 3, 5 and 12Vsignals as I would expect .I do wonder if the USB would cause this if it failed? I have an optical mouse I tried earlier and I didn't see any red light under it when I plugged it in. Also didn't see any light on the keyboard which has illuminated indicators for num/caps lock.

  woodchip 12 Feb 13

As I said Duff PSU

  Fruit Bat /\0/\ 12 Feb 13

Agree I would try a substitute psu before doing anything else

  lotvic 12 Feb 13

and I'll repeat: Any troubleshooting should be done with hard drive disconnected, until you can successfully get a Post screen and can view Bios. When it is ok you should be able to start up to the point of getting a message on screen along the lines of 'no bootable device found, please insert a CD' (message is something like that - depends on the bios version). Then you can switch off, reconnect the hard drive, power up and see if it boots into Windows.

This will avoid any possible corruption of harddrive because of the constant switching on and off while you sort psu and motherboard out.

  eric_bloodaxe 27 Feb 13

hi sorry to be so long but yes the girl is dead!! well PC actually. PSU was fine but mother board was not. Using a new one now. Not good but hey ho. Anyway thanks for the advice. Regards Bloodaxe

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