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Installed Fedora 9 recently in my laptop....
Resulting in dual boot system
After a few days, hibernation seems not working.

Can any one help me to solve this???

Dani AI

Generated

Good point from about making sure Vista’s hibernate is turned on. In a dual-boot setup with Fedora there are a few extra causes to check beyond the normal power settings, and those are often the ones that break hibernate/resume.

When Windows hibernates it writes a snapshot to the system partition. Resume requires that the disk layout, partition table and boot environment look exactly the same as when the snapshot was taken. If Fedora or GRUB changes the partition table, or if Linux mounts the Windows NTFS volume and writes to it (common when ntfs-3g is installed and automount is enabled), Windows will refuse to resume and hibernation will appear to "stop working."

Troubleshooting checklist

  • Look in Event Viewer (Control Panel > Administrative Tools > Event Viewer > Windows Logs > System) for sleep/hibernate and kernel-power events around the time you tried to hibernate; those entries show why resume failed.
  • Confirm hibernation is enabled in Vista’s Power Options and that the hibernation file exists (use Explorer with hidden files shown).
  • Update storage and chipset drivers and check BIOS ACPI (S3) settings. Driver or BIOS changes commonly break resume.
  • Crucial: never boot into Fedora after hibernating Windows. Booting Linux while Windows is hibernated can corrupt the Windows filesystem and will prevent resume.

Practical Fedora-side fixes

  • Disable automatic mounting of the Windows partition or mount it read-only so Fedora cannot change it while Windows is hibernated. Example fstab entry to prevent automatic writes:
    /dev/sda1   /mnt/Windows   ntfs-3g   ro,noauto   0 0

    Adjust device and mount point to your system.

If resume fails, do a full shutdown/power-cycle and boot Windows normally. If problems continue, either keep hibernation disabled when using dual-boot or avoid mounting the Windows partition from Linux; backing up important data before further testing is strongly recommended.

To resolve this problem in Windows Vista, run the powercfg -h on command at an Administrative command prompt to enable the hibernate feature and the hybrid sleep feature.

The first thing you need to check if your computer supports one of the hibernation options. To do this, go to the start menu and type Command in the search box. In the results, right click and select “Run as Administrator”. When the command prompt opens up, type powercfg -a which shows you all of the available types of hibernation that your hardware supports.

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