General discussion

Windows 7 clock advances time

I have a Toshiba laptop running Windows 7 home edition. I have noticed that my clock does not keep time, often advancing. I often put the laptop on hibernate...sometimes sleep. I do reboot about twice a week. Is the sleep/hibernation causing the clock problem and why should it? Is sleep better than hibernate?

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That is typically

That is typically a symptom associated with a bad CMOS battery. Usually they last 3-4 years at least, but every now and then you get someone who will get a brand new system that has a dead battery.

If the thing is under warranty, have Toshiba replace it. Otherwise, you need to crack open the system, take the battery out, and go looking for a suitable replacement. Shouldn't cost you more than $10. It's just a simple coin cell battery.

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Just a comment.

I had a friend with a machine that did that. For some odd reason they not only disabled Windows Time sync feature but firewalled off the NTP port as well. Eventually the time would drift to the point they noticed.

There are HARDWARE CLOCKS we can add to fix this for those that refuse to let this Windows feature do its work.

Here's one ->

I'm unsure why they did that.

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In addition...

I recently encountered a Windows 7 machine that, starting last month, leaped forward one hour every time it connected to the time server. Only happened on the one machine, but an interesting glitch never the less that forced the disabling of time synchronization.


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