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Neither Windows 8 or BIOS wont boot after linux install.

Tags:
  • Boot
  • Fedora
  • Windows 8
Last response: in Linux/Free BSD
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June 29, 2014 1:00:50 PM

Hello,

I've recently been dual booting windows 8 and fedora 20 (and one point ubuntu). My fedora kernal wouldn't load in GRUB one day so I decided to reinstall fedora using a live usb (My laptop doesn't have a OD). unfortunately when I was freeing up space on my partition I may of deleted something I shouldn't of, because now when I boot up. boot manager only gives me the fedora grub boot option. I can't even access my BIOS or recovery mode. the only command that works on boot is f12 which brings me to a optionless boot manager.

I've been going through forums and forums to figure out what I may have done. but unfortunately I'm a bit new to linux so I'm unable to pin point exactly what I've done wrong. I've installed a windows 8 iso on a live usb and the boot manager (and Grub) won't pick it up. I'm at a loss. luckily my new fedora installation is working and I know my windows partition is still intact since I'm able to mount on it and take files I need.

here's my output for fdisks -l

Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: FAF7B893-EA9B-4853-9CE0-487E0AE01B25

Device Start End Size Type
/dev/sda1 2048 821247 400M Windows recovery environment
/dev/sda2 821248 1230847 200M EFI System
/dev/sda3 1435648 1697791 128M Microsoft reserved
/dev/sda4 1697792 1187741695 565.6G Microsoft basic data
/dev/sda5 1570736128 1775534079 97.7G Microsoft basic data
/dev/sda6 1775536128 1814597631 18.6G Linux filesystem
/dev/sda7 1814597632 1916997631 48.8G Linux filesystem
/dev/sda8 1187741696 1188765695 500M Microsoft basic data
/dev/sda9 1918896128 1953523711 16.5G Windows recovery environment
/dev/sda10 1290141696 1291165695 500M Microsoft basic data
/dev/sda11 1291165696 1570736127 133.3G Linux LVM

Thanks.

More about : windows bios wont boot linux install

June 29, 2014 2:38:27 PM

Since Fedora still works... I would open a terminal in Fedora and update grub. sudo update-grub ..then I'd reboot and see if the Windows loader shows up on the grub menu. I haven't used Fedora so don't know if it uses the sudo command, but if it does this might work.
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July 2, 2014 4:22:52 PM

Unless you were in the BIOS you should not have been able to mess with it. You may want to check on flashing a new copy from your computer manufacturer.
If update-grub doesn't fix it install boot-repair or make a live boot-repair CD and use it to fix you up. It has the advantage of creating a report online you can point us to look at if it fails .
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July 3, 2014 9:06:01 AM

Double and triple check your access to BIOS. Nothing you have done to GRUB or either OS should be able to affect your firmware. You may be pressing the wrong access key or hitting it at the wrong time.
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July 6, 2014 11:41:14 PM

spankmon said:
Since Fedora still works... I would open a terminal in Fedora and update grub. sudo update-grub ..then I'd reboot and see if the Windows loader shows up on the grub menu. I haven't used Fedora so don't know if it uses the sudo command, but if it does this might work.


if I remember correctly it should be sudo yum update-grub
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