Why am I getting an error in Windows 7 when restoring from hibernation?

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I am getting the following error when restoring from hibernation in Windows 7 RTM. It seems to be happening more often. My laptop is a Dell Latitude D520.

Your computer can't come out of hibernation.
Status: 0xc000009a
Info: A fatal error occurred processing the restoration data.
File: \hiberfil.sys
windows-7
hibernate
asked on Super User Sep 25, 2009 by GuyBehindtheGuy • edited Nov 3, 2009 by GuyBehindtheGuy

5 Answers

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defragment hiberfil.sys:

disable hibernation, defragment the drive and then re-enable hibernation. now you'll have a contigeous file "hiberfil.sys"

answered on Super User Sep 25, 2009 by (unknown user)
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through personal experience, I know this only works for windows 7 but will probably work for vista and xp to

Run command prompt as administrator and type in

powercfg -h off

after that reboot the computee and open up command prompt again (same as above) and type

powercfg -h on

You should now be able to hibernate the computer and boot from hibernation without receiving the error message

answered on Super User Dec 29, 2010 by Ipod touch not itouch
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I'm actually fairly convinced now that this had to do with my battery. It doesn't fit that snugly, and I believe I may have been accidentally disconnecting it when putting it in my laptop case. Now, I wait until the computer powers down before putting the laptop away, and I have not seen the problem since.

answered on Super User Nov 3, 2009 by GuyBehindtheGuy
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If this problem doesn't let you reboot the computer, use your O/S CD to boot the O/S, or if that fails you can still perform a repair install on your current OS.

Note that a repair will not remove any of your personal data but will simply replace the OS System files to fix any corruptions.

If you can reboot, follow Molly's advice.

answered on Super User Sep 25, 2009 by harrymc
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To determine whether this is a battery issue or not...

Remove the battery and leave the laptop plugged in to AC power. If the laptop still displays your same error above, your hiberfil.sys may be corrupt - I've run into this a few times.

Disable Hibernation, delete the hiberfil.sys file and restart the machine. Run CCleaner (www.ccleaner.com/download/downloading), defrag the drive and restart again. Now, re-enable Hibernation. Chances are this will correct the issue.

answered on Super User Nov 3, 2009 by (unknown user)

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