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HELP: X-25M 80GB install question: BSOD after AHCI enabled, and skips USB-HDD boot?

endervalentine

Senior member
So I got my shiny new X25M 80GB drive yesterday, everything went fine, updated the drive to the latest firmware, installed Win7 via USB, everything booted fine, and started running the stability tests and benchmarks.

Then I realized I didn't enable AHCI in the BIOS and it was still running as IDE. Updated a couple of drivers and rebooted, changed the BIOS from IDE to AHCI.

After that, I would get the BSOD on the Win7 splash screen and it would automatically reboot. Some googling seems like this would be the fix?
http://forums.guru3d.com/showthread.php?p=3508471

I didn't get a chance to try it since it was getting pretty late and I had to get some zzz's.

My 2nd problem is, I also tried reinstalling Win7 after enabling AHCI in the BIOS, but it would not boot through the USB HDD anymore, it would boot off the SSD instead. I'm 100% sure the boot order in the BIOS was set correctly since I had to do it with the first install.

Any suggestion on the 2nd problem, I prob. would want to go this route since it seems to be a cleaner method vs messing with the registry. TIA!
 
You've found the solution to the first problem. That website has the correct instructions, and that's exactly what I did after installing my Intel 80GB without switching to AHCI first.

As for the second problem, I noticed some odd automatic resets of my boot priorities after enabling AHCI. Make sure your BIOS still has the USB drive set as the first priority. But don't bother with this until you've tried the first solution, since I'm sure it will work.
 
You've found the solution to the first problem. That website has the correct instructions, and that's exactly what I did after installing my Intel 80GB without switching to AHCI first.

As for the second problem, I noticed some odd automatic resets of my boot priorities after enabling AHCI. Make sure your BIOS still has the USB drive set as the first priority. But don't bother with this until you've tried the first solution, since I'm sure it will work.

Thanks! yeah, I'll definitely try it once I get home, but I'm sure it'll bug me if I'm tweaking and it's not a fresh install.

I did verify in the BIOS and I'm 100% sure the USB drive is the first boot ... is there another section that might 'show' the boot order if enabling AHCI changes the boot order?
 
There is a separate BIOS section for AHCI, but it might vary by motherboard. Once you enable AHCI, a few new options will appear, and these are the ones you should look for and which might control boot order.
 
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