Re: ACPI laptop loses time

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Was it identical to what was replaced or is it different model motherboard? Also are there any BIOS updates for that unit from the laptop manufacturer?

Tom S. wrote:

Bob,

Thanks for your suggestions.

"Power saving state" to mean either stand-by or hibernate.

I received bare, refurbished replacement hardware for broken equipment under warranty. I did the XP Professional install, then chipset drivers, peripherals, one by one, then applications. No errors or question marks in Device Manager. System log is clean. I've installed everything since DOS 2.x. I absolutely could have made a mistake, but I'm not seeing it.

Looks like hardware or driver to me, but so far everything checks out. Maybe I'll redo the chipset drivers again. But that's just guessing.

Tom S.

"Bob I" wrote:


"Power saving mode"? You mean "standby"? My guess is the proper motherboard drivers aren't installed during the "refurb", or some software is interfering.

Tom S. wrote:


Yves, thanks for the response.

Please note that the laptop keeps perfect time when the CMOS battery is in use when the system is off. Only when it is in a power-saving state does it lose time.

Additionally, this laptop was fully refurbished in August 2006. A weak CMOS is unlikely, but not impossible.

"Yves Leclerc" wrote:



Check the CMOS battery. This is usually a sign that the battery is getting weak and would need replacing.

On 05/10/2006 Tom S. <Tom S.@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:


Greetings,

My system loses time whenever in standby or hibernate, not at a minute lost per minute off rate, but some fraction of that. Perfect time kept if shutdown or always on.

No unresolved event log errors that look related.
Most recent manufacturer system BIOS in use.

Synchronization fails silently after resuming. Date & Time | Update Time returns successfully synchronized but the incorrect time is still there. Restarting the windows time service and repeating the update returns correct synchronization.

Anybody else seen this? Fixed this?

TIA,
Tom S.

Centrino 1.6 w/ 1GB RAM 52GB XP partition on 100GB disk
XP Pro SP2 + all current MS Update patches
BIOS Version/Date American Megatrends Inc. 080010, 2005-02-24
time server 0.us.pool.ntp.org




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