Windows 10 "Unmountable Boot Volume", The Unsolved Mystery of the Disappearing HDD.

  • Thread starter Thread starter D. Johns
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D. Johns

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Ok i have a HP Pavilion DV6-6119wm Prod: QE069UA#ABA Original OS: Windows 7 Home Premium. i have been working on this pile of irritating technology for over 2 weeks now. and what is about to follow is one weird mystery that i need to solve ASAP.

Customer wants upgraded to windows 10. all fine and dandy i have done hundreds of windows 10 installations and not an issue.

... until now. upon booting the windows 10 installer, i get a error stating "We couldn't find any drives. To get a storage driver, click Load driver" i say to my self "what in the world" now it runs windows 7 without any issues, so i grab my windows 7 installer. boot it up. sees the drive and every thing. so i do a in windows upgrade. all goes fine i get in put in a user name. all that it loads into windows 10. reboot. BSOD: Unmountable Boot Volume it reboots into the "WINRE" environment with troubleshoot listed but not much in options. i can open cmd. so i do. i do a diskpart. No drives found.

so i boot into the windows 7 install USB and There is the drive. in all its glory. so i take the dang thing out of the laptop. hook it up via a usb adapter to my desktop i want to see what in tarnation is going on. SMART shows no errors. all test perfect. there isn't even 1 reallocated sector. all partitions are accessible without any lag. so i take a image of the drive. and i completely clean it using diskpart's CLEAN command. and it shows up in the windows 10 installer so i install it. (i am using the latest update available via the media creation tool) installs without an issue. it ask for a key so i use the windows 7 key on the bottom. it installs without an issue. boots up installs a display driver via windows update... reboots.. and i think all is fine. then it pops another driver and ask to reboot. all is fine. so i have to leave for a while i let it set running. i come in to a BSOD, Unmountable boot volume. it was not connected to the network as i was just away for a short while so it couldn't be a update being installed and auto rebooting. i have completely no idea why the drive is disappearing for windows 10 but shows up in windows 7, and shows up fine with connected to another PC (which is running windows 10) there is no new bios update, the partition is a MBR partition type. I have reach my end. my customer is wanting it back. but i can't give it back in a unbootable condition. i have tried everything i can think of. i have even reimaged my USB drives thinking it may have been corrupted. (using a new flash drive) but no change. if any of you have a inkling of what is going on, your assistance would be greatly appreciated

Thanks in advance.

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