Can't resume from sleep

Dell / LATITUDE C610
January 13, 2009 at 17:24:57
Specs: Windows XP SP3, Intel Pentium III 1GHz
Ok, I have been diagnosing this problem for a
long time now, and still have not found a
solution yet.

Here's the deal. With XP, SP1, and SP2, all
sleep states are fine. With SP3, resuming
from sleep will bring the computer back up,
but the system process will sit there eating
99% of the CPU and NEVER release any usage.
So clicking on say the Start menu, it'll take
approx. 34 seconds to load, and you'll see it
draw it as if the computer was 33MHz or
something. It will not ever go back to a
fully up state.

This is from a fresh install, meaning, HD
zeroed out, then formatted as NTFS (not
quick). Tried with and without the drivers
for what Windows didn't include already.

The only power management feature that works
still is Hibernation. Now while it only
takes slightly longer, I would like the
proper S3 sleep state running, so opening and
closing the screen is seamless with no lag
and minimal power.

Are there any fixes for this? I have even
talked with the other techs at work and have
deemed it a Microsoft bug.

See More: Cant resume from sleep

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January 13, 2009 at 18:07:55
The bios has to support the sleep function. Review your bios settings. Perhaps there is a firmware update.

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January 13, 2009 at 18:30:25
The BIOS surely supports S3 sleep, as it wouldn't have been
able to sleep in XP, SP1, and SP2 as it did before.

This is purely an SP3 issue. I have spent months reviewing
the problem.

I was hoping there was a hotfix available. It would appear so
far, there is not.

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January 13, 2009 at 18:54:17
All this time I had been searching for the
answer, and today I decide to ask because I
gave up finding that hotfix.

But then I found the solution by just saying
"oh hell what else do I got to loose."

I replaced the ACPI HAL in SP3, from that of
SP2, and sure enough, sleep mode is working
correctly again.

Looks like those power management "fixes"
destroy older machines, that are still ACPI

All fixed...

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