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Hibernate will not work in Windows 7

Hi,

I am having a problem where a batch of laptops will not hibernate in Windows 7.

All of the laptops are HP Compaq 615, with 4GB RAM and Windows 7 Professional installed.

When you select hibernate the screen goes to black but the power is still on and a move of the mouse or a keyboard press brings the laptop to life instantly, as if only the display has turned off.

I have read various forum posts saying that machines with 4GB RAM or more do not work with hibernate, but do not know if this is true and after removing a 2GB stick I still have the same problem.

Can anyone offer a suggestion as to what the problem may be?

Thanks in advance.
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Malc
Asked:
Malc
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1 Solution
 
sundara2010Commented:
Have you've gone through all the options in Power option > System settings?

Choose what the Power button does
Choose when to tuen off the computers display
Change when the computer sleeps

Did this happen on initial install or later on ?
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SemperWiFiCommented:
4GB is not the issue, I have several 6 and 8GB notebooks that don't share your issue. Assuming all power options are correct to allow for hibernation: Check all BIOS settings to ensure there is nothing holding you back there. Delete C:\hiberfil.sys > reboot > retest.
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MalcAuthor Commented:
This has happened from the initial install.

I don't think choosing what the power button does etc can have any influence on why it isn't working as I am selecting Start > Shut Down > Hibernate and only the displaying is turning off.

So if I set the power button to make the machine hibernate, it does the same thing. The machine's display turns off but the machine does not hibernate. A mouse move or keyboard press instantly brings the display back to life, just with the machine locked.

Does that make sense?
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rindiCommented:
Make sure you have at least 4GB of contiguous empty space available on the partition on Which the OS is on. The hybernating file needs to be as large as your RAM. Also with that much RAM it'll take some time for all the RAM contents to get written to the file, so expect hybernation to take some time until it has turned the PC off.
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MalcAuthor Commented:
Ok, I've tried turning hibernate off (Which deletes the C:\hiberfil.sys), restarting and turning hibernate back on (Making a new C:\hiberfil.sys) and that has not fixed the problem.

The partition with the OS on has over 200GB free space so disk space is not the issue.

I understand it may take a while to write the RAM contents to the file but before with hibernate any interference from the mouse and keyboard does not stop it putting itself into hibernate once selected. I've also tried leaving it on this black screen for 30 mins + but it's still only just the display turned off and not the machine in hibernate.

Any further suggestions?
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rindiCommented:
Then make sure you have installed all the PC's newest drivers for your OS. Some manufacturer's also provide their own power-management tools which you may need for this to work properly.
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SemperWiFiCommented:
Anything in the event viewer?
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MalcAuthor Commented:
I've spoken to HP, and they talked me through checking that the latest BIOS driver was installed, which it was, as well as removing and reinstalling 'HP Operating System Enhancements'.

There are no errors in the event log. When you click hibernate and it locks itself the only two events that enter the System log are related to checking back to the domain controller for the time, which I think is caused by the actual unlocking. I would expect there to be an event to say that it is attempting to go into hibernate like it does for sleep?
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mattclarifiedCommented:
Hi,

Try the Windows Power Management Troubleshooter, http://download.microsoft.com/download/win98se/utility/1/w98/EN-US/pmtshoot.exe . It is written specifically for Windows 98 but may be of some use in other versions, as well. Also, look for a file called Nohiber.txt in the main Windows folder in Explorer. If present, it will give you clues about which device is preventing the laptop from entering Hibernation or Standby mode.

M@
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MalcAuthor Commented:
Not sure the Power Management Troubleshooter is compatible with Win 7. After installing and restarting, I get the error message -

"Unable to open pmtshoot.vxd.

Please ensure "Device=pmtshoot.vxd appears in the [386Enh] section of SYSTEM.INI"

Also, the file 'Nohiber.txt' cannot be found in the main Windows folder on my machine?
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ChrisFixesITCommented:
have you checked the bios yet or no?

maybe the bios doesnt have s4/s3 states turned on by default. this would be strange, but worth checking since it would only take about 30 seconds of your time.

Did you try hibernating after uninstall the HP operating system enhancements, before reinstalling it? (i hate comp. manufacturer crap like that, but sometimes its handy)
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MalcAuthor Commented:
Yes, I've checked the BIOS and there's nothing that looks wrong. I've also tried resetting it to the factory defaults.

I did try hibernating before reinstalling it and it didn't work.

Is there any tool that you are aware of that could see what is causing this to fail?

I also removed a lot of the HP crap that they put on there (HP Protect Tools, HP Wireless Manager etc.)... is it possible that removing these tools could cause the hibernate to not work?
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ChrisFixesITCommented:
I dont think that removing the pre-loaded HP junk could prevent hibernation from working properly. Decision to is between you, windows 7 and the bios. Of course there are certain devices that could be set to wake a computer out of hibernation, or prevent hibernation, but the LACK of a certain program should NOT keep you from hibernating.

Quick question, does standby work?
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MalcAuthor Commented:
Hi,

Sorry I haven't replied in a few days. I'm still having this problem and still trying to find out what the problem is.
Chris, sleep works fine. It is only hibernate that is the issue.

Cheers.
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ChrisFixesITCommented:
Any update?
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MalcAuthor Commented:
I finally managed to get this fixed today.
The problem was that when Windows 7 is installed it makes a small 'System' partition on the hard drive as well as the C drive itself. For some reason on these machines, the 'System' partition was set as Active and not the C drive. By marking the C drive as the active partition hibernate began to work!
Thanks for all your suggestions.
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