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Thinkpad T42 takes a long time to wake up from hibernation
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Thinkpad T42 takes a long time to wake up from hibernation Dave Stallard 03-30-2007
Posted by Dave Stallard on March 30, 2007, 12:34 am
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 It's really bad sometimes, much longer than reboot. I have turned off
the wifi radio, so it can't be looking for wifi connections. I've
defragged pretty thoroughly with Diskeeper, even the hiberfil file.
Any suggestions?

Posted by none on March 30, 2007, 8:53 am
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 Hi Dave,

How do you like your T42 (outside of the hibernation issue)? I have a
T41 and really like it. It's a rock solid portable.

To address your issue:
If I understand terms properly, one 'wakes' a computer out of SLEEP
mode, which is different than 'hibernation'.

You asked why it takes so long to 'bring it ' out of 'hibernation'.
Well, one does not really 'wake' out of hibernation like waking out of
sleep, in other words in sleep mode the PC can WAKE by various methods
(key press, mouse movement etc) but one must POWER ON (hit your power
switch) to 'bring' a PC out of hibernation!

In hibernation, on this T41 with XP, I press the power button and the
laptop boots loading the hibernation file back into memory (hibernation
file is an IMAGE of the PC's MEMORY the moment just before hibernating).
XP loads the hibernation file and voila, you're right back to where you
were before crawling into the cave!

So hit your power button to come out of hibernation

Hope this helps!
___
> It's really bad sometimes, much longer than reboot. I have turned
> off the wifi radio, so it can't be looking for wifi connections. I've
> defragged pretty thoroughly with Diskeeper, even the hiberfil file.
> Any suggestions?



Posted by Phil Sherman on March 30, 2007, 9:55 am
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I have a T40 and encountered the same problem. Some experimentation
showed that it related to how fast the disk drive was able to restore
memory. Hibernation writes a full image of memory to disk. All of it
needs to be read back when you power up the system, and, on my system,
can take as long as booting. The more memory you have, the longer it takes.

Phil Sherman


Dave Stallard wrote:
> It's really bad sometimes, much longer than reboot. I have turned off
> the wifi radio, so it can't be looking for wifi connections. I've
> defragged pretty thoroughly with Diskeeper, even the hiberfil file. Any
> suggestions?

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