I deleted the partition that had Ubuntu on it to get rid of dual boot, and now every time I try to boot to windows it goes to grub rescue, saying

error: no such device 22623f...

When I type ls is gives me

(hd0) (hd0,msdos4) (hd0,msdos3) (hd0,msdos2) (hd0,msdos1) (hd1) (hd1,msdos1) (hd2)

When I type ls (hd0,msdos1) /boot it tells me that the filesystem is unknown.

If I boot from my USB with a usbnetbootin, it tells me that it Could not find the ISO ${iso_path} it says I can fix this by logging into Windows and running chkdsk /r but I cant do that for reasons that you know.

Honestly I have no clue what I'm doing and I've just been trying to follow other tutorials on here.

  • Do you have a Windows Recovery or Installation CD/USB? – Martin Thornton Aug 19 '15 at 12:57

I had a similar issue in the past where I messed with my partition scheme.

What worked for me was reinstalling Ubuntu on one of the partitions. Doing this created a fresh install of grub which in turn recognized all my partitions normally.

You might also want to try using a Boot-Repair: Getting Boot-Repair instrucions

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