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Am on the correct path to fixing my issue? Yes. It's possible reinstalling GRUB to the MBR won't fix the problem, but most likely it will, and it's the place to start. how can I fix the GRUB OS loader using my portable OS (that is on my thumb-drive)? What you want to do is usually called "repairing GRUB" or "reinstalling GRUB to the MBR." (It's ...


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Boot from a live system, and use the gpart utility to scan for file systems.


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I have solved the issue by removing the battery, waiting for 5 minutes and then reinserting it. I then switched the laptop on (only on battery, not on external power supply) and voila - I was able to select BIOS by pressing F2


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Use windows 8 CD or live USB. Boot into CD/USB and select 'REPAIR' windows. Select the repair with Command prompt(CMD). Type the below commands to get the windows boot loader to normal. Bootrec/fixmbr Bootrec/fixboot After it gives successful message restart.


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ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata3.00: BMDMA stat 0x25 ata3.00: cmd 25/00:08:e5:a5:50/00:00:12:00:00/e0 tag 0 dma 1024 in ata3.00: status: { DRDY ERR } ata3.00: error: { UNC } Nothing to do with the grub for this error message. The error message you have obtained is purely related to the hard disk being used. There is a sector ...


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The easiest thing to do is probably use a Windows Reapir CD to "fix" the boot loader. This should kill grub and replace it with the windows default.


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Although I have never done this in Virtual Box, my normal solution is to use the boot-repair tool. According to a few blog posts I found on google, other people were able to use it to repair a linux installation in Virtual Box. First, boot Virtual Box from an Ubuntu .iso file (you can download it from the Ubuntu website). Then install and run boot-repair ...


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You should use efibootmgr tool. Run sudo efibootmgr to get a list of numbers for boot entries. Then sudo efibootmgr -b 4 -B to delete entry number 4. Never run this tool on Apple notebooks - it bricks them.



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