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Thinkpad T60 BIOS date/time not changing

T60/T61 series specific matters only
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Thinkpad T60 BIOS date/time not changing

#1 Post by SkipR » Mon Jan 27, 2020 7:24 pm

The Thinkpad T60 BIOS date/time is staying on last static value I put in BIOS.

The problem started a few days ago. I have a Thinkpad T60 6369-62M and I am NOT getting any errors like "Error 0271 Check Date and Time" when it boots, BUT noticed the time was way off, so I rebooted and went into the BIOS Date/Time section and updated to current time (e.g. Jan 28 2020 07:33:00) saved it. Turned the power off waited 2 minutes; restarted went in to check the BIOS and time is still showing same value (e.g. Jan 28 2020 07:33:00 NOT 07:36:00). I did this a number of times and result is the same my last updated value remains unchanged. On my other computers (not Lenovo brand) looking at time in BIOS screen you see date/time updating second by second but Lenovo laptop is not doing that.

(It will still boot into whatever OS I load (e.g. Windows or a live CD Linux) but after using NTP server update after about an hour it drops back to the last value I manually saved in BIOS, i.e. 07:33:00.)

Note: It only runs on AC power as batter died a few years ago. I don't think I have ever changed the button battery under the keyboard since I got the second hand laptop about maybe in 2012. I use it regularly.

Is this an indication of a bad battery or something else?

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Re: Thinkpad T60 BIOS date/time not changing

#2 Post by BillMorrow » Mon Jan 27, 2020 8:00 pm

hello and welcome to the forum..
and PLEASE edit your profile and enter your city in OZ.. it is the one thing i require..
T60..?! i have my last T60p still running.. :-)
but i love the X1 carbons.. especially the extreme ones with the 4k display..
for your issue i would check the cmos battery..
i'm not sure where it is but the hardware manuals are on my server.. look up at the HMM.. hardware manuals..
Bill Morrow, kept by parrots :parrot: & cockatoos
Sysop - forum.thinkpads.com

She was not what you would call refined,
She was not what you would call unrefined,
She was the type of person who kept a parrot.
~~~Mark Twain~~~

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Re: Thinkpad T60 BIOS date/time not changing

#3 Post by RealBlackStuff » Tue Jan 28, 2020 2:37 am

Yup, almost dead (yellow) CMOS-battery (under keyboard).
Replace with something like this: https://www.ebay.ie/itm/193092628446
Lovely day for a Guinness! (the Real Black Stuff). And pigs CAN fly!
Check out The Boardroom for Parts, Mods and Other Services.
Covid-19: Mask it or casket.

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