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Q9450 won't boot

The PSU might have died is one thing I could suggest, but you have probably already thought of that. Try checking your CPU Heatsink to make sure it has not come loose and your board is not therefore protecting your CPU by not booting. I've had a computer that didn't boot once until I pushed the CPU HSF down, it clicked into place and the next time I pressed the power switch the computer booted.
 
honvik said:
So the board could be faulty?
Click to expand...

If it's the same problem many other gigabyte board users have like me, then no, not exactly, it's not faulty, but the auto-recovery is unreliable. Nobody can seem to find a sure-fire way that will always recover the board and make it boot but it does sort itself out whether by moving ram around, leaving it over night, pressing a certian combination of keys.

I know it sounds ridiculous but this is what I've been living with for the last year or so.

I did rma the first board but the second one is exactly the same. Check out all the similar posts in the GA sticky in the motherboard section.

For the record, the boards is otherwise excellent, but when it goes into yet another one of it's continuous fan spin-up, spin-down non-boot cycles, don't panic, it's not broken, once you get past tehat it works fine. Getting past that is the hard bit.

I'll double check the exact combination of keys they found worked in that magazine when I get home and post it. Hasn't happened to me since I stopped clocking the chip on this board.
 
I've tried reseating the CPU, changing the memory and changing the PSU. Still no luck. My guess it is either the CPU or motherboard at fault. I've ordered a cheap Intel Celeron 430 as a last ditch resort to figure out the problem.

If that doesn't fix it then presumably the motherboard is knackered, but I won't bother buying another mobo to prove that. I'll make do with my old (but reliable) spare PC and sell off what I can from the new machine :)
 
I removed the BIOS battery and it booted successfully without it! And I had though that resetting the CMOS by button or jumper would have had the same effect.
 
Thanks mate that fixed it :D

I can't believe something as little as the battery was the problem, after everything else I've tried so far. I took the battery out and it booted up to the BIOS screen first time. I got a warning message about the system not being able to resume so I told it to delete any restoration data and carry on booting up.

I then shut down, put the battery back in, this time I got a CMOS error, I chose to restore from last known good state, since then the machine has been fine. It boots up no problem.

My advice to anyone with the GA-EP45-DS3P board or similar is limit your use of hibernate. That seems to be the root cause of this problem.

The Intel Celeron CPU I have on order will go straight back to Overclockers when it arrives :)

Thanks for all the help.
 
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