GPU booting issue after re-install.

April 24, 2011 at 03:54:52
Specs: Windows 7 Home Premium , 2.5Ghz/4GB
Hi guys, first post here.Recently my CPU and GPU were overheating horribly, so I took my PC apart. Removed my HDD, GPU and mobo to clean all my fans out etc. Now I thought I had re wired correctly. After a couple of goes of messing around, restarting through set up and on the windows welcome, PC turned on, on my integrated GPU. However when I stick my 250 GTX back in, PC gets a few "black" start up screens into boot before crashing. And now when I try to run off my integrated it does the same. What could I have done so badly wrong? On a side note my LED's sit with my power switch and restart button on my mobo in a 4 pin line, both buttons work but the LED's don't?

Thanks, Ben

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April 24, 2011 at 04:12:25
It's now got to the stage where it starts the 4 spining balls of windows start up, freezes on the same spot everytime and either blacks out or blue screens then blacks out, both to PC restarts.

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April 24, 2011 at 06:45:53
"Recently my CPU and GPU were overheating horribly"

What were the temp readings?

"Removed my HDD, GPU and mobo to clean all my fans out etc"

Why on earth would you do all that? All you needed to do was give the heatsinks a shot of compressed air to blow out the dust bunnies. Did you remove the heatsink from the CPU to clean it? If you did, are you sure you reinstalled it correctly? You didn't bother to list your system specs so you'll find your CPU on the following link & check the thermal paste application instructions. If you applied paste any differently than is shown, you did it wrong:

As for your video card, it's a GTX 250 (not 250 GTX) & requires a minimum power supply of 450W. It also requires a 6-pin or 8-pin PCIe plug, did you reconnect it? You didn't remove any parts from the card, did you?

"both buttons work but the LED's don't?"

The power & reset button do NOT have polarity but LEDs do. You most likely have them plugged in backwards.

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April 24, 2011 at 09:03:57
Did you use a vacuum cleaner on the computer? If so, you may have damaged something. Hopefully, from what you describe, that is not the case.

I assume you unplugged the computer from the wall before messing with it. .

If you have add in cards installed in alternate slots and/or hard drives connected to different ports than original, you may need to clear the CMOS to allow the hardware to be reconfigured.

To clear the CMOS you first unplug the computer. Then use the clrcmos jumper or remove the motherboard battery momentarily to clear. Upon restarting the computer you must immediately enter the BIOS (setup) screens to reset values. Date, time, boot order, first video device, etc. Read the manual.

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April 25, 2011 at 09:30:30
My GPU was reading between 110-120 before, and CPU was 90-110. CPU has since calmed right back down to 50. I, as far as I'm aware re wired fine. If I use system restore, my PC boots up fine, recognising everything. However on a standard set up still getting crashes on the windows page. Using the integrated it just restarts, with my gfx in, it blue screens then resets.

Didn't take my CPU off my mobo, only realised my mobo fan was clipped after I took it out. School boy. Especially as I had to unscrew my GPU one. My CPU is an Intel Core 2 Quad Q8300 @ 2.50GHz. The issue isn't really heat anymore, it's the boot up. Think it's time for a new GPU anyway, can't seem to cool it down with anything other than external fans on it.

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April 30, 2011 at 11:28:59
Bump, anyone got any ideas?

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