Has my motherboard died?

HourofWolves

New member
Hey, so this is my current system:

CPU: Intel i5 Clarkdale 650 3.2GHz Dual Core
Graphics Card: MSI nVidia GTX 460 1GB
HDD: Western Digital Caviar Black 1TB SATAIII 6GB/s 7200RPM
Memory: Corsair XMS3 Dominator 4x2GB DDR3-1600 CL8
Motherboard: Asus P7P55D-E LX Intel
CPU Cooling: Astek 550LC
PSU: Corsair HX-750W

Recently it's been starting to slow down and crash a bit as it's a fairly old system that's had hard use. Today however it crashed and will now no longer turn on. The main difference I can see in terms of lights on the motherboard is that the MemOK! button no longer flashes or lights up at all when I hit the power button. Normally it flashes for a bit then turns off. To my eyes all other power lights, fans, hdd, etc. are all working, but nothing is coming up on the screen, not even BIOS. I switched the ram sticked around and into different lane slots and tried restarting but still no luck.
The other possible thing is that it green screen crashed earlier today after I had bumped the case (EDIT: and I just noticed the hard drive activity light isn't flashing though the drive is definitely spinning). After this when it crashed for good it was when I had a couple of tabs with YouTube videos playing on them and I pressed play on a third video.

Another thing I'll add is I've always had a bit of issue with what I think is the motherboard, when the computer is in too cold of an environment (say an unheated room in winter here, 10-14 degrees) it won't post, the lights and fans will just pulse on off on off every second or less until it is in a warm enough environment (usually I point a fan heater at the case till it posts). Also when the computer has been running hard for a while and may be too hot and I shut it down, the OS will turn off but all the fans and components will still run until I hold the power switch down.

Sorry that's a bit rambling.
Any ideas or has it kicked the bucket?
Thanks in advance for any assistance,
Angus.
 
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It sounds like your machine has indeed led a hard life if its been subjected to extreme temperatures like that.

My guess is that it is as likely to be the PSU as the motherboard. Either way it sounds like the cold temperatures its suffered over time have messed it up.
 
Thanks for the quick replies Barnsley and TTL,

So I tried flashing the BIOS, nothing seemed to change as far as posting goes, still no BIOS showing up on the screen. However the MemOK! light was solid red, so after leaving it for an hour like this I held down the MemOK! button, it flashed for a bit, rebooted a few times then went back to being solidly on and again no BIOS posting.

This is assuming I was flashing the BIOS correctly as I have never done this before without having an on screen BIOS display. I downloaded the latest BIOS onto a bootable flash drive and put it in back panel USB slot and powered up the PC and waited. Is that all I should have to do or am I missing something?

Cheers
 
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