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Discussion Starter #1 (Edited)
HP Pavilion DV6
Windows Vista Home Premium
AMD Athlon 64bit X2 dual core
2GB DDR2 800

The laptop will not hibernate unless I Close the Laptop lid. I went into power options in the control panel and set hibernation to be activated when laptop was running on battery and reached low batt threshold of 20%. When the threshold is met, nothing happen.

Tried a different power management plan and configured the hibernations settings similar to the above, still nothing happened.

I dont remember running the disk clean up utility which I hear can delete the hyberfill.sys file which stops hibernation.

I went into CMD as administrator, and used the powercfg command with the

-h on switch, makes no difference, I even turned hibernation off (-h off) and then turned on again, still no difference.

Went into CMD and searched for the hyberfill.sys file in the c:\ file is present, I think its about 2GB in size.

Any ideas?
 

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Discussion Starter #2
Re: HP Laptop will not hibernate when low/critical Battery threshold is met

An update, I think this may be battery related or perhaps even ACPI related?? Battery seems to have an issue charging, I dont remember this happening before. The power supply is working because its providing power to the laptop, but the battery wont charge.

Tried setting hibernation to turn on even when power supply is plugged in and battery is at low batt threshold, it still will not hibernate.

Only way it will hibernate is if you close the laptop lid or click on the start button and actually choose the hibernate option which is amongst the restart, turn off, sleep options.
 

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Discussion Starter #3 (Edited)
Re: HP Laptop will not hibernate when low/critical Battery threshold is met

Another Update, I think this might be ACPI/Registry related, I enabled the guest user account, logged in as guest, and the system auto-hibernated when lower batt threshold was met, Im thinking a possible virus or registry corruption?

I have run CCleaner a few times in the last few months to ''clean'' the registry.
 

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Re: HP Laptop will not hibernate when low/critical Battery threshold is met

Hi -

"Cleaning" the registry can damage it, which appears to have hapened here.

Info/ myths re: Registry cleaners -

http://www.techsupportforum.com/f217/solved-max-registry-cleaner-401950.html

http://www.techsupportforum.com/f217/solved-registry-editors-295556.html#post1722857

Create a new user account and transfer files over -

http://windows.microsoft.com/en-US/Windows7/Fix-a-corrupted-user-profile

Regards. . .

jcgriff2

`
 

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Discussion Starter #5
Re: HP Laptop will not hibernate when low/critical Battery threshold is met

Hi -

"Cleaning" the registry can damage it, which appears to have hapened here.

Info/ myths re: Registry cleaners -

http://www.techsupportforum.com/f217/solved-max-registry-cleaner-401950.html

http://www.techsupportforum.com/f217/solved-registry-editors-295556.html#post1722857

Create a new user account and transfer files over -

http://windows.microsoft.com/en-US/Windows7/Fix-a-corrupted-user-profile

Regards. . .

jcgriff2

`
Hey man, i suspected as much, I actually reformatted vista using the HP Recovery partition on my laptop as I wanted to see if it would have any affect on another issue I was having also, I also wanted to give the Registry a fresh start too.

Thanks for the confirmation, hibernation appears to be working correctly now, although I do have to say it is alot slower for the laptop to complete the process, and ive noticed when the computer comes out of Hibernation the screen stays black with file names being read across the screen. I'm assuming the PC is listing the files its reading of the hibernation file on my hard drive into memory again, strange, that wasn't happening before, anyways, Mark this one as SOLVED please.
 
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