How to fix my boot up problem?

Asus / Crosshair iii formula
January 12, 2011 at 06:55:05
Specs: Windows 7 Home Premium, Phenom X4 955 BE/4gb
I'm running an Asus Crosshair III Formula with the following specs:
AMD Phenom X5 955 BE CPU
6 GB Corsair XM3 RAM (2x 2gb + 2x 1gb)
BFG ATI Radeon HD 4850 GPU w/ 1gb DDR3 RAM
Windows 7 Home Premium OS
Corsair 32gb SSD (OS Drive) + WD Caviar Black 750gb

My problem is that every time I boot the computer cold it POSTs fine and then hangs up at the black screen with the blinking white cursor (i.e. when it is about to load the OS). I invariably have to reboot, sometimes hitting the restart key followed by power on/off to get the PC out of the LOCKED state on the LCD poster. I previously had a more erratic form of this problem, then it resolved for no discernible reason, and returned recently after I added 2 gb of memory. I've tried switching back to the previous memory configuration (4 identical 1gb modules) but it had no effect.

Other posts I've read about similar problems with ASUS boards have given me a large number of possible reasons ranging from the grounding of the mobo to the temperature of the board at boot (it is cold in my basement). The BIOS was flashed to the most recent release several months back. Any suggestions would be appreciated. Could this possibly be a problem with my boot-loader?


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#1
January 12, 2011 at 07:14:09
Power supply is missing from your specs.

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#2
January 12, 2011 at 07:17:59
Apologies - I'm using an Ultra X4 750-Watt Modular Power Supply

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#3
January 12, 2011 at 08:02:40
The PSU should be OK.

I doubt grounding or temperature has anything to do with it. I'm not a fan of SSD drives so I inclined to suspect that. Is the system overclocked at all? How is your BIOS configured, especially the memory settings - defaults or manually?


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#4
January 12, 2011 at 08:10:03
I could be wrong but I think the SSD is not the source of the problem since it was present during the period of no difficulties and I had the erratic, similar startup difficulties before the SSD was installed. The system is normally overclocked from 3.2 ghz to around 3.8. When I get home tonight I can give more details on the bios (if you have specific settings you want to know that would be helpful) but I am fairly sure that I'm using default memory settings. I had played around with the RAM voltage in the past and that may have been what fixed it for the short period it worked perfectly so I can try and replicate that.

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#5
January 13, 2011 at 12:35:01
Problem fixed - I did about five things, one of them worked. I updated to the most recent bios (a newer one had come out since I last tried to fix the problem), I got my overcloak going again in the bios, I upped the voltage to the dram slightly, and I unplugged a freeagent usb external hd that seemed to take a long time to detect on POST. I also parred down the boot device lists in the bios so that the SSD OS drive was the only entry. If I figure out which one of these was the cause I'll post again. Because it was a cold boot problem though, it takes a while to test out the different causes.

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