Not booting to Win10

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galerecon

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May 29, 2015
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Hello all,
My computer has 1 SSD which I use for Win10 and 1HDD which I use for other software. I had dual boot linux running on my HDD and I wanted to delete it. I went to the partitioning settings on Win10 side and deleted the volume that holds my linux. I haven't touched the partition that has Win10 on it. I was expecting the window to select which OS I want to boot not show up and boot straight to Win10.

Now, once I boot up my computer, it shows the ASUS RoG logo with the option to go to BIOS and after that it's just a black screen. I've tried to switch the boot priority between my SSD and HDD and it's still black screen. I don't see the option to go to Win10 recovery (usually F8 or F10 key) either.

Are there any solutions for this? Unfortunately I'm trying to avoid reinstalling windows and clearing my whole drives at all cost I have very important data files there.

If someone can help me out, I would really appreciate it.

EDIT: I don't even know if the SSD is even trying to boot since it's just a black screen. I also left it for about a half hour and still black.
 
Solution
CountMike
Disconnect HDD and try with SSD only. The BOOT partition(s) and BOOT sectors were most probably replaced with "grub" for Linux and Windows will not BOOT of it.
You could try to repair it with tools from https://toolslib.net/downloads/finish/322/298/ or with Macrium Reflect free https://www.macrium.com/reflectfree rescue disk but will have to make them from another computer.
You could also use a Live Linux distro on a USB and move important files out to another drive.
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Disconnect HDD and try with SSD only. The BOOT partition(s) and BOOT sectors were most probably replaced with "grub" for Linux and Windows will not BOOT of it.
You could try to repair it with tools from https://toolslib.net/downloads/finish/322/298/ or with Macrium Reflect free https://www.macrium.com/reflectfree rescue disk but will have to make them from another computer.
You could also use a Live Linux distro on a USB and move important files out to another drive.
 
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Solution


Dude, you're a genius. I had Linux on a USB stick right next to my computer. Booted from it, found my files, and recovered them. I also made a Win10 recovery USB but I get some error that Win10 cannot be installed because it cannot install from UEFI device. I'm assuming that it's because I'm using a USB stick and not a burned DVD.

I looked at my SDD when I was in Linux and it all seemed to be there. When I loaded up the Win10 recovery, it asked me if I wanted to partition the SDD. The SDD was about 60-65% full which means that I did not delete the volume from my SSD.

Anyhow, I got my files, I will try and reinstall windows 10.
 
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I keep a Live Mint (with retention so programs could be kept installed) on a USB all the time, great for all kinds of fixes. To reinstall W10 just delete all partitions on SSD as there will be some unusable partitions left over from dual boot and Linux. Leave it raw and windows should make all necessary partitions as needed. There should be no problems using USB.
 
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There are also reserved partitions on my SSD, should I be deleting that as well? It gives me some warning when I try to do it. To be safe, I'd rather ask first. It's probably the Win10 recovery content and other stuff that cannot be touched when running Win10 which will get replaced when I reinstall it, right?
 
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Right, W10 will make 4 partitions if installed on empty disk. Healthy BOOT, EFI, C:\ and Recovery partition. In addition to that there could be a partition reserved by SSD's firmware for Load leveling but with that you can't do anything and is not available to OS. Not all SSDs have that part.
 
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Thank you, sir! I shall post an update once I get it working successfully. I'll have to go buy an external DVD burner, haven't needed a DVD drive for years until now.

Oh and I'll probably start running Linux on a virtual machine to avoid this in the future.
 
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Can't install Windows 10 from a USB. Because my computer recognizes the USD as an EFI device, I get the error "Windows cannot be installed to this disk. The selected disk has an MBR partition table. On EFI system, Windows can only be installed to GPT disks". I did a bit of googling and it seems that downloading Win10 recovering iso file, urning it, and loading that instead of a USB should solve the problem.
 
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Hmm...that's interesting. I used the Windows 10 Media Creation Tool from the Microsoft website. It asked me which device I'd like to install this on and let me select my USB stick.

https://www.microsoft.com/en-us/software-download/windows10
 
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So..you were right. The issue was not because of the USB. It was because of the way the SSD was partitioned. When I was in the Win10 installation screen to select where I want to install Win10,
1. I had to open the command prompt (shift+F10)
2. go to the partitions using 'diskpart' command
3. find the disk 'list disk'
4. select the disk 'select disk 1'
5. clean the disk 'clean'
6. then convert 'convert mbr'.

This fixed all issues for me and I was successfully able to install Win10.
Onto reinstalling all programs and drivers...

Thanks a lot for the help!
 
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