Question Laptop decided not to boot with the usual SSD, important data is at risk, any solutions ?

xGpOj

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Aug 30, 2020
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So I went into Bios to check if I could modify the RAM speed, I didn't do anything to the settings at first, but then when I tried to reboot into Windows 11 my laptop decided not to boot anymore with a bluescreen saying "inaccessible_boot_device".

I tried using cmd on Windows boot manager, it just doesn't wanna work with the SSD.
diskpart says there are no fixed disks to show when I enter " list disk", I literally can't run any commands suggested on other forums.

I can see the name of the disk on the EFI shell v 2.7 but it says " HardDisk - Alias (null)"
I tried removing the disk, booting without it, and then putting it back again.
It does ask for the BitLocker key though but it gives me the same bluescreen every time.
I have a lot of important data on the disk that I don't want to lose.
What can I do?
 
1 would be to restore from backups
2 would be to try the drive in another computer as a secondary drive and see if you can pull the information off the drive.
i tried restoring but give me an error code, like its corrupted or something.

my desktop PC motherboard doesn’t have an NVMe slot but luckily i bought a new one and im waiting for it to come tomorrow ill try it out.

what if it doesn’t work though? what should i do then?
 
i tried restoring but give me an error code, like its corrupted or something.
They meant restoring from backups that you would have ideally made on some other disk or drive. Or do you mean you have that, but they're reported as corrupt as well?

my desktop PC motherboard doesn’t have an NVMe slot but luckily i bought a new one and im waiting for it to come tomorrow ill try it out.

what if it doesn’t work though? what should i do then?
Report back here with what exactly you tried and how it didn't work this time.

Is this the only drive you have? Trying to put it into an entirely different motherboard and boot from it is very unlikely to work. You'll at least discover if the new motherboard makes it accessible I suppose, but if it does the Win 11 on your drive very probably won't boot because it's expecting to work with the old motherboard. You'd have to reinstall Windows, but that would wipe your data.

If you're changing your motherboard you need to get some additional drive, like a smallish cheap 2.5" SSD. Replace the motherboard, put only the SSD in (not the NVMe), install Windows on the SSD and get that working. Then install the NVMe, boot from the SSD and see if you can access the data on the NVMe.
 
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They meant restoring from backups that you would have ideally made on some other disk or drive. Or do you mean you have that, but they're reported as corrupt as well?


Report back here with what exactly you tried and how it didn't work this time.

Is this the only drive you have? Trying to put it into an entirely different motherboard and boot from it is very unlikely to work. You'll at least discover if the new motherboard makes it accessible I suppose, but if it does the Win 11 on your drive very probably won't boot because it's expecting to work with the old motherboard. You'd have to reinstall Windows, but that would wipe your data.

If you're changing your motherboard you need to get some additional drive, like a smallish cheap 2.5" SSD. Replace the motherboard, put only the SSD in (not the NVMe), install Windows on the SSD and get that working. Then install the NVMe, boot from the SSD and see if you can access the data on the NVMe.
I'm still waiting for the motherboard.

I sent the laptop back to the store that sold it to me and they're running a diagnosis, i really hope this isn't a motherboard-related issue as I'm not ready to pay for a whole new pc price in order to recover my data...

You said that the SSD wouldn't let me access its data if tried to be booted from another motherboard so that I wouldn't risk it, meanwhile, I'll be waiting for the store to call me back and I will report what happened, and what turned out to be the issue.

Reporting back of what I have tried, I opened CMD on windows boot manager, both of the ssd and hdd drives didn't show on Diskpart but putting a usb stick seems to work fine.

Error code on diskpart is " there's no fixed disks" or something like that.

and i got 2 drives on that laptop, an hdd and ssd, both detected on the EFI shell but got "Null" Alias.

I also tried installing windows to see if i can see the disks in the process but i can't, no disks were shown in the process...
 
You mentioned Bitlocker; is the broken disk encoded and where is the key stored? If the key is stored in your Microsoft account I suggest that you log into that account, download and print out the key to attempt future access of your data. If the key is stored in the laptop's tpm chip memory and the tpm chip is cleared of all keys you may never be able to get into the disk.
 
You mentioned Bitlocker; is the broken disk encoded and where is the key stored? If the key is stored in your Microsoft account I suggest that you log into that account, download and print out the key to attempt future access of your data. If the key is stored in the laptop's tpm chip memory and the tpm chip is cleared of all keys you may never be able to get into the disk.
I dont know if the disk is broken or not.

Bitlocker isnt the issue, i got the codes and tpm isn’t cleared, but when i enter the code it loads for a bit then give me a BSOD with the code “Inaccessible_boot_device”.
 
You said that the SSD wouldn't let me access its data if tried to be booted from another motherboard so that I wouldn't risk it...Reporting back of what I have tried, I opened CMD on windows boot manager, both of the ssd and hdd drives didn't show on Diskpart but putting a usb stick seems to work fine...and i got 2 drives on that laptop, an hdd and ssd, both detected on the EFI shell but got "Null" Alias.
...
I also tried installing windows to see if i can see the disks in the process but i can't, no disks were shown in the process...
Don't even start the installer with the the data drive connected, that's far too risky.

It's getting a little confusing now, so it might better to list the details of your laptop model and what exactly it has in terms of drives. The assumption was that your laptop had the one drive (most do) with the OS and your data on, but you're saying you have two drives? Which has the OS on it?

You can connect the SSD to another computer as a secondary disk (whether it has Windows on it or not) and see if you can access it, there shouldn't be any risk there. What you shouldn't do is try and boot Windows from it in another computer.

At the moment your main priority is to try and make a safe copy of your data. Getting the laptop working can come after that.
 
Don't even start the installer with the the data drive connected, that's far too risky.

It's getting a little confusing now, so it might better to list the details of your laptop model and what exactly it has in terms of drives. The assumption was that your laptop had the one drive (most do) with the OS and your data on, but you're saying you have two drives? Which has the OS on it?

You can connect the SSD to another computer as a secondary disk (whether it has Windows on it or not) and see if you can access it, there shouldn't be any risk there. What you shouldn't do is try and boot Windows from it in another computer.

At the moment your main priority is to try and make a safe copy of your data. Getting the laptop working can come after that.
No i didn’t try to install windows i just remembered that i can see the disks on the installer, im not risking it.

Acer aspire 5 A515-56. the ssd got both data and windows.