• UNMOUNTABLE_BOOT_VOLUME after plugging a second screen.
    4 replies, posted
Hello. I am posting this for a friend which is having quite a big problem. Here's the setup. For christmas, my friend got a fancy second new screen (from BENQ), so he plugged it into his PC and launched his PC, and his screen wasn't working, after that, he went into the BIOS and activated an option to use the "integrated graphics card" from the motherboard and his dedicated graphics card at the same time. He launched his PC, and his screen still wasn't working, so he restarted his PC again, and now poof, BSOD's everywhere. Everytime he launches his PC, he gets an "UNMOUNTABLE_BOOT_VOLUME" error, it still manages to get to the "Starting Windows" screen, it loads there for a minute, and then this BSOD shows up, he tried disabling the option that he enabled earlier, but that didn't fix it. He booted the Startup repair disk, which for the first time only, loaded pretty fine, I was already on the phone with him as of that moment, telling him to try to list all the disks and stuff without much going on, so then, he restarted his PC again to try to boot into Linux (he had a linux partition), but that didn't work either, so he restarted his PC again to try to boot into Startup repair as I told him to do a "chkdsk /p" into CMD, however now the startup repair disk took ages to load to the first screen, and we couldn't even open up CMD in the end. Last thing we tried is to remove the CMOS battery and put it in the motherboard again to reset his BIOS settings, it still doesn't work but at least now it detects all 3 SATA's devices (Two HDD, one CD drive, before it was only one HDD and one CD drive). Right now we are stuck in this position, can anyone help us ?
Does it still work without the new screen plugged in?
Sounds more like your SATA controller is failing or your SATA cabling is fucked. What is the startup repair disc? A floppy? A CD/DVD? Another partition on the hard drive? If you're doing everything form the one hard drive it's possible the disk has become corrupt due to a number of reasons but if the recovery disc is the former two then I would again suspect a bad controller or cables. Adding a second monitor is completely unrelated to your problem. It's likely the failure ocurred when components were allowed to cool down or during the initial inrush from the PSU.
I highly doubt its the SATA Controller. If hes getting the UNMOUNTABLE_BOOT_VOLUME (0xED) its typically the OS. It will go through the typical boot looping only to get stopped by a prompt asking to start windows normally or use windows automatic repair (or whatever you want to call it). If you where to press F8, you could go down to "Disable restart on system failure" and this will display your bluescreen event and you'll have to manually reboot your PC with the power/reset button. How could you fix this? You could try chkdsk /R and then FIXMBR.
Did he touch the AHCI option while in the BIOS? Windows will have that message if he did.
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