My computer froze during an overclocking on the CPU and wont get to the boot screen now

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xtitox28

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Mar 31, 2013
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Ok so my here is my situation. My desktop wont reach the boot screen or even put out a signal for my monitor to recognize. This is after I was overclocking my CPU, which I had done before many times. What happened was I went into my bios and into the Jumperfree Configuration settings. Chose manual overclocking and put my CPU at 15%. I then saved and exited. The computer sat there on the screen frozen and didn't reboot itself. Even after two hours of letting it sit. So I powered the computer down and went to turn it back on. Only this time it never displayed anything on the screen. My motherboard's LED power indicator turns green showing power, the chassis fans and GPU fans spin up but nothing else. No system beeps. My front panel LEDs shows power but no HDD activity. Now I have read most of the threads on this site as well as other sites and have found no solution even when following the steps given down to the letter. I'm curious if there is anything I'm missing or that the other posts didn't get to.

My system specs are:

Motherboard: Asus P5N-D
CPU: Intel Core 2 Quad Q8300 SLB5W
RAM: 2x Patriot PSD22G6672 (2GB PC2-5300 CL5)
HDD: Seagate 1TB internal
GPU: 2x (SLI) Nvidia eVGA-GeForce 9800GT 512MB PCI-E
Optical: DvD/CD rw
PSU: 750Watt
Air Cooled with stock fans (front chassis fan does make a lot of
noise but does still work like it should)
 
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xtitox28

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Mar 31, 2013
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10,510


Aldan I have tried that before as well following my manual's instructions as stated here http://www.manualslib.com/manual/438479/Asus-P5n-D-Motherboard-Atx.html?page=47#manual

Unfortunately no luck on that avenue.
 
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xtitox28

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Mar 31, 2013
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Ok so far I have tried clearing the CMOS via removing the battery for as long as an hour with the PSU unplugged, moving the CLRTC jumper to pins 2-3 for about 1 minute then moving back into pins 1-2 (referencing to my mobo manual's steps), then moving the CLRTC jumper to pins 2-3 and powering on the desktop and shutting the power back off and moving the jumper back to pins 1-2. Still no luck there. I used a multi-meter to check the PSU cables and each one tested (black and yellow cables showed 12v, and red and black showed 5v) within range. I have also tried using the bare minimum to boot. CPU, 1 stick of RAM (2GB) and 1 of my video cards plugged in but still no avail. There's no signs of burning/scorching on any of the power connectors on the mobo or the PSU wires. At this point I am starting to believe the possibility that it might be the CPU itself. Does anyone have any input???
 
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xtitox28

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Mar 31, 2013
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10,510


I tried your suggestion Aldan and unfortunately still no luck.. This is turning out to be quite the brain burner. I'm almost ready to bring it to a repair shop and have them check it out. Maybe a POST card can reveal something on the situation. Thanks again btw
 
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xtitox28

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Mar 31, 2013
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Well it turns out after bringing it to a local computer repair shop that it was the motherboard. It wouldn't reach POST beep. Even when a POST test card was used it display any of the codes, not even initial start up. But the rest of the components were tested and everything else was in great working order so the motherboard did exactly as it should and sacrificed itself to save the rest of the computer. I have to say though for all the years I used it, it had a great run and ASUS is still my go to board for builds.

Thanks for all the help guys it was worth a try!!
 
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