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How do I get past grub and into Windows?

asked 2016-12-02 09:35:19 -0500

ldco2016 gravatar image

So last night I un partitioned the space allocated for my Fedora 23 while in Windows.

I thought no worries it would just boot into Windows next time I start the laptop. Wrong, I get this error:

isolinux.bin missing or corrupt. ... error: no such partition. Entering rescue mode... grub rescue>

How do I get past this and log in to Windows again?

I tried reinstalling Fedora 23 but since there is no hard disk space for it anymore, it was not successful.

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answered 2016-12-02 16:11:43 -0500

thingummybob gravatar image

Your question isn't completely clear, but if I understand you correctly, you have tried to remove Fedora from within Windows via the computer management/disk manager?

The reason it won't boot is because Windows doesn't use grub. You need to get into a command console via repair mode in Windows and rebuild the Master Boot Record

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@thingummybob I can't get into repair mode as far as I know. I get the grub rescue command prompt when I boot up the machine, so unless there is a way to do it through grub rescue, I am guessing I will need a windows 7 disk, which I don't have and I tried to download an iso last night with the product key that I have and microsoft website remained in verification of my product key mode for half an hour before I decided to call it a day.

ldco2016 gravatar imageldco2016 ( 2016-12-03 09:40:12 -0500 )edit

Well, these things are all slightly over my head too - I'm just trying to be helpful, as I've managed to 'break' and then fix boot issues several times. The grub2 command reference seems to have the answer:

grub2 What you need to be able to do is add the windows partition back...

thingummybob gravatar imagethingummybob ( 2016-12-04 05:27:38 -0500 )edit

just trying to think through how I resolved this when I did similar. Did your .iso download? If so you should be able to burn it to disc, or make a "bootable USB", then use F8 key during boot for device boot menu, and boot from CD/USB, where you then have the option to get into the repair console. Once you're there you can fix the mbr for Windows

thingummybob gravatar imagethingummybob ( 2016-12-04 05:48:55 -0500 )edit

just one further though (apologies if you''ve already given up/sorted it):

If your laptop was store bought, and you haven't fiddled excessively with it, you'll find that there's a hidden partition (rescue disk) on the hard drive. They do this simply to avoid the cost of producing a CD. There should be a sticker on the bottom of the laptop with the current serial for this same partition image. Look at the user manual, there's always a key press that invokes "emergency" or "repair" mode for the laptop. Get to "repair my computer" and "cmd/fixmbr"

thingummybob gravatar imagethingummybob ( 2016-12-04 06:22:53 -0500 )edit

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Asked: 2016-12-02 09:35:19 -0500

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Last updated: Dec 02 '16