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Can't boot into XP after BIOS flash

E

Enchant

Junior Member
I just flashed my MSI K8N Neo4 SLI motherboard to recognize a AMD X2 4400 processor that I installed. Before the flash the processor booted fine but was not recognized as a dual core and I wasn't able to utilize the second core. After checking the MSI site I downloaded the most recent BIOS (the last 3 supported dual core). Flash seemed to go fine, but when booting it gets to the Updating DMI screen and reboots. After reboot I get the option to enter Safe Mode, Safe Mode Networking, etc. None of these options will let me get passed the mup.sys portion of the boot. It just hangs at that point and then reboots. I have tried rolling back to the previous BIOS, but I am still having the same problem. Any thoughts?

Would re-running windows setup be of any help? How much data would I lose doing that? I entered XP setup recovery mode and ran chkdsk but no issues there. Not sure what else to try from recovery mode.
 
Stab in the dark on this one since re-flashing didn't work, but you could try resetting the CMOS jumper.
 
Well I was able to determine that my BIOS flash did indeed work. But from what I have gathered Windows XP needs to be "repaired" to get it to work with the dual core. I was able to get it to boot, but that has created a second problem which I guess should be handled under a different post.
 
First, make sure any overclocked or custom bios settings are temporarily returned to default values.

Second, I agree with dph1077, clear CMOS by physically unplugging the power cord from the psu, pop out the cmos button battery, set the jumper to "clear" position, let sit like that as long as you can stand to wait, preferably overnight. A long time so as to thoroughly drain the charge. Don't listen to people who tell you the conventional & often wrong 'wisdom' to do it for just a few minutes.

Replace all, boot, if your flash was good you should be flying! Then reboot into bios & tweak "as you like it." (-Willie the Shake)
 
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