Solved: Bios time keeps changing back one hour?

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somewhereinafrica🇭🇹

Bios time keeps changing back one hour?

Got a Lenovo R500, time in bios is one hour off, I go in, change the time, save & exit, windows opens up and it is back to one hour off, reboot, go in to bios, time has gone back one hour again.

Any clue why?

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mccracky🇺🇸

check the timezone settings in Windows. You are probably syncing your time in Windows with the wrong timezone. When Windows exits, IIRC, Windows sets the BIOS clock to the current Windows time (Windows doesn't use UTC internally, just local time).

somewhereinafrica🇭🇹

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Windows can change the BIOS clock? Really?

SOLUTION

discgman🇺🇸

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somewhereinafrica🇭🇹

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I just flashed it yesterday with a new bios version that came out less than a month ago.

But it's strange right?
BIOS is BIOS, and windows is windows... f i set the time to be 'X', how the h**l can it change by itself?

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mccracky🇺🇸

Did you check the timezone in Windows? Windows does screw with the BIOS time. (Try dual booting sometime between Windows and Linux. Windows sets the BIOS time to localtime and Linux expects it to be UTC and applies the timezone offset.)

mccracky🇺🇸

Actually most OSs probably set the BIOS time upon exit. How else would the "corrected" time be there while the computer is off? The problem comes about that Windows expects localtime to be there, while most sane OSs expect UTC to be there.

discgman🇺🇸

Is this computer in a network or domain? Is it connecting to some sort of time server?

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somewhereinafrica🇭🇹

ASKER

Ok, explain what is going wrong then:

i set time i bios, user then logs on (in the same timezone setting as the sever), time is magical one hour behind what I just set BIOS clock to.

So bios was right time, server (AD DC) has right time, time zone is (from the beginning) the correct one and the same as the server, yet it sets itself back one hour. Why?

discgman🇺🇸

Reason I asked about the time server is due to when I work on a pc that is off a domain and readd it to the domain, sometime the time is off an hour or two. Once it picks up all the security policies on the domain (make sure its in its proper OU) the time goes back to normal. You can try to remove and readd to the domain and move the computer account to the proper ou and see if that helps. If not, its either a windows issue (possible windows update) or a cmos /motherboard problem. Ive seen motherboards on laptops lose time as they start going out.

Grant1842🇺🇸

Sounds like you have a mother board battery issue. It may be time for a new one.

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somewhereinafrica🇭🇹

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Brand new computer out of the box....

mccracky🇺🇸

I would still guess that somewhere there is a timezone issue, but in the end why do you care about it?

If you don't touch the BIOS clock, then Windows should pick right up from where it left off when you last shutdown. The BIOS clock is only there to keep time while the computer is off. It shouldn't matter at all what the BIOS clock says as long as your OS knows the correct time when you are up and running.

somewhereinafrica🇭🇹

ASKER

McCracky:

Why do I care?
Reason#1
Because even if the BIOS is correct, the server is correct, the time zone is correct the time is still one hour behind.

Reason #2
All the users documents, emails, edits, what not are one hour behind, all alarms in outlook are one hour behind, etc.

Reason #3
It's my job to care

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mccracky🇺🇸

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somewhereinafrica🇭🇹

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McCracky:

Will have a stab at your suggestion later today, thanks for sticking with me...

mccracky🇺🇸

did you get to try it/

somewhereinafrica🇭🇹

ASKER

damnit, just found out that the mother server did indeed have the wrong timezone set.

I thought I had checked all that stuff out, but my technician is an idiot.

Thanks for trying though...

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somewhereinafrica🇭🇹

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arrogance was my fall....

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