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After having installed Windows next to my main Arch linux install using Gparted, the following things happen.
1. I can normally boot into windows using grub
2. when switching back to linux after a reboot, it fails and tells me to run fsck manually
"UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
(i.e., without -a or -p options)
"
3. After rebooting 2 to 3 times, it works normally.
---
When I run
[username@archlinux ~]$ sudo fsck -f /dev/nvme0n1p2it gives me this output:
[sudo] password for sasha:
fsck from util-linux 2.41.1
e2fsck 1.47.3 (8-Jul-2025)
ext2fs_check_desc: Corrupt group descriptor: bad block for block bitmap
fsck.ext4: Group descriptors look bad... trying backup blocks...
Error reading block 243826687 (Invalid argument). Ignore error<y>? yes
Force rewrite<y>? yes
Superblock has an invalid journal (inode 8).
Clear<y>? yes
*** journal has been deleted ***
The filesystem size (according to the superblock) is 334516224 blocks
The physical size of the device is 4096 blocks
Either the superblock or the partition table is likely to be corrupt!
Abort<y>? yes
Error writing block 243826687 (Invalid argument). Ignore error<y>? yes
/dev/nvme0n1p2: ***** FILE SYSTEM WAS MODIFIED *****
Which makes me a tiny bit scared. Is there something wrong with my system? I'm a newbie but I think this is root so it's "system administration" right?
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A 'normal' install of Windows does not actually shutdown when you use the 'Shutdown' option from the Start menu. Instead, it hibernates. Which means Windows is still using your file system.
If you want to dual boot, you need to make sure Windows shuts down (and frees up the file system so you can use it in Linux).
Be sure to turn off Fastboot from within Windows (not from within the BIOS), and then reboot.
Cheers,
"Before Enlightenment chop wood, carry water. After Enlightenment chop wood, carry water." -- Zen proverb
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