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XPS 8920 will not reboot from SSD

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I have a XPS 8920 with a Samsung 960 EVO M.2 SSD as my C drive. This has worked properly for over a year with no problem. Last night, the computer was hung, so I powered it off. Now, every time I reboot, I get a blue screen with "Choose an Option" with two options: "Troubleshoot" and "Turn Off PC". After choosing, "Troubleshoot", I tried "Start Up Repair", but after a while got the message "Start Up couldn't repair your PC". Using Command Prompt, I can see the files on the SSD, so I know it is working. I'm guessing that something got corrupted when I powered off the computer.

I still have the original hard drive and when I put that in the machine, the computer will boot properly, if I choose that hard drive to boot. So, for some reason the computer won't boot from the SSD even though it has worked correctly for over a year.

Does anyone know what conditions cause Windows to go directly to the "Choose an Option" screen?

I've searched around the Internet, but can't find a solution. Any help or suggestion would be appreciated.

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Re: XPS 8920 will not reboot from SSD

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@RoHe- Thanks for your help.

Last night, I rebuilt the EFI partition using the instructions - https://www.dell.com/support/article/en-us/sln300987/how-to-repair-the-efi-bootloader-on-a-gpt-hdd-f...

The computer now boots correctly.

 

chuck

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Re: XPS 8920 will not reboot from SSD

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when I see those msg  "Start Up Repair" I always sense it is Microsoft's feeble attempt to appear to be omnipotent but it has never worked. I like Windows 10 but it has flaws. In your case, perhaps easier to fix the issue than trying to understand what caused it.  It could be some files got corrupted on your ssd which compromises the boot.  Always back up important file on ssd elsewhere because when it works it is super fast but when it dies it gives no warning and goes away like a puff.  If possible back up your files now and do a clean install of Windows 10 on the ssd in UEFI mode of bios.

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Re: XPS 8920 will not reboot from SSD

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At an administrative command prompt try 'sfc /scannow'. Also you could try 'DISM /Online /Cleanup-Image /RestoreHealth'.

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Re: XPS 8920 will not reboot from SSD

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@Vic384  - Running those commands won't help because PC boots OK from the original HDD which has it's own OS install on it. Sounds like the OS install on the SSD needs to be repaired, assuming the SSD just hasn't failed...

@ChuckFTL  -  If you can connect the SSD as a secondary drive and boot from the old HDD, back up your personal files that are on the SSD before doing anything else. Then download/install Crystal Disk Info on the HDD and use CDI to test the SSD.

You never mentioned the version of Windows. Assuming it's Win 10, do you know if Windows Update recently installed the KB4549951 update? It's causing all kinds of problems and will have to be removed.

Assuming the SSD hasn't failed, download the Win 10 ISO for free and follow Microsoft's instructions at that site to create a bootable USB stick. With PC off, SSD connected as boot drive, plug the USB stick into PC. Then power on and start tapping F12. When the F12 menu opens, look for option to boot from USB.

When the Win 10 installer loads look for and follow the prompts to run a repair on the SSD.

 

 

Ron

   Forum Member since 2004
   I'm not a Dell employee

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Re: XPS 8920 will not reboot from SSD

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@RoHe I made the suggestion because the OP mentioned using the Command Prompt to see the files on the SSD. I assumed the OP got the Command Prompt from the SSD because he did not mention the original HDD until the second paragraph. If the OP had booted from the original HDD he could have used File Explorer the look at the SSD, he didn't need to use the Command Prompt. The fact that the OP may have gotten the Command Prompt from the original HDD did cross my mind, but he never mentioned that in his first paragraph, so I assume somehow he got to a Command Prompt from the 'Troubleshoot' option.

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Re: XPS 8920 will not reboot from SSD

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Hi -

When I try to boot the computer, the blue screen with Troublshoot has sever options, including "Command Prompt", which is what I initially used to look at files. It was only later that I realized that I had the original HDD which I could install and would boot and give me the File Explorer.

I did try the sfc /scannow but it didn't find any errors. I couldn't get the DISM command to work - it complained something about not being able to use this command in WINRE (or something like that).

Thanks for your suggestions!

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Re: XPS 8920 will not reboot from SSD

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You could try repairing the Master Boot Record from the Command Prompt. https://pureinfotech.com/repair-master-boot-record-mbr-windows-10/

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Re: XPS 8920 will not reboot from SSD

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@ChuckFTL   - Did you install/run Crystal Disk Info from the HDD with SSD installed as a secondary drive to see if the SSD still "healthy"? You'll be spinning a lot of wheels if the SSD failed...

BTW: What size USB stick did you use for the Win 10 ISO? MS says to use an 8GB stick, but many users find that at least a 16 or 32GB  stick is necessary.

Ron

   Forum Member since 2004
   I'm not a Dell employee

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Re: XPS 8920 will not reboot from SSD

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@RoHe- Yes, Crystal Disk Info says the SSD status is GOOD - 97%

Also, after I cloned the SSD to HDD, I tried to boot from that HDD and got the same failure - blue screen with "Troubleshoot".

The USB stick I used was a brand new 32GB stick.

chuck

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Re: XPS 8920 will not reboot from SSD

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@RoHe- Thanks for your help.

Last night, I rebuilt the EFI partition using the instructions - https://www.dell.com/support/article/en-us/sln300987/how-to-repair-the-efi-bootloader-on-a-gpt-hdd-f...

The computer now boots correctly.

 

chuck

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