Question

How do I reformat my computer while in Safe Mode?

The only way I can open Windows is in Safe Mode. I tried to reset Windows, but the computer told me that it cannot perform this action in Safe Mode.

Is there any way I can wipe my computer and start with a clean slate?

I have already saved all my important files in multiple external drives, so I don't care what I delete. I do not have any backup images, and I don't have a Windows 10 DVD.

I realize that there might be some solution that doesn't involve reformatting, but I just want to do whatever is fastest. I think that it would take me a long time to diagnose whatever is wrong with my computer. As long as I can find a way to reformat, I think it would be fastest to just start over and reinstall everything.

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Answer
The Windows 10 DVD or USB is a free download.
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Downloading W10 onto a flash drive

Thank you.

I started to take your advice, but then I ran into a slight roadblock.

I downloaded the 5GB Windows 10 file on my phone. I copied it onto my computer. I tried to copy it onto an empty 32GB flash storage drive, but I received a notification that the drive was full. This happened multiple times with both a USB flash drive and a micro SD card.

Would it help if I bought a bigger SD card? It seems odd that size would actually be the issue when I'm putting a 5GB file on a 32GB card, but I'm happy to spend a few dollars on a 128GB card.

Would it help if I bought a better SD card? I'm using a generic Microcenter card. If that's the issue, then I'll buy a high-end Sandisk (or other brand) card.

Is it possible to reformat the computer using a file on the computer?

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Re: downloading on phone

That won't work.

You download it on a PC, using the media creation tool (choose to download it "for another PC"), as told in https://www.microsoft.com/software-download/windows10
Then have an 8 GB (at least) USB stick ready. Be sure there's nothing on it you want to keep, because it will be formatted when you use the tool to make a bootable USB stick with the Windows 10 installer software.
When all done, shut down and then reboot from that USB-stick.

An SD-card might work also, but it's up to you to try. A USB stick surely works, so I would advise to use that. As an alternative you can chose for burning a bootable DVD to boot from.

Since the .iso-file is approximately 4 GB, it's unclear why you say it's 5 GB. Probably you didn't download the right file. Just delete it from your phone and don't mind.
Maybe the SD-card is formatted FAT32?

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Re: downloading on phone

I'm curious whether I did download the wrong file. It's called Win10_1903_V2_English_x64.iso and it's 5.12 GB.

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I never used that .ISO.

I used the media creation tool. You can try the .ISO but it's sort of useless given the story so far.

-> Copying the .ISO to a disk, USB stick or memory card will not make it usable. But folk will continue to try that.

If you want W10 bootable media, use the tool, get it done.

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media creation tool

Thank you.

For some reason, when I clicked the link on mobile, I kept getting redirected to the download page for the ISO.

I clicked the link on a computer, and I was able to create a bootable USB drive. I'll try using it later today.

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It worked

Thank you. I successfully reformatted my computer, and it works perfectly, now.

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That's always nice to hear.
Cool

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