Question about IBM ThinkPad T20 2647 Notebook
Each time my Thinkpad T20 starts it points me to the BIOS where I simply set the Time and Date (which shows incorrectly 00:00 etc.), Save and Exit then all is fine.
Does the CMOS Battery need replacing?
If so, where can I find details of what battery is required and a description of the process for changing it.
Hi-- no need to take out keyboard turn over laptop and take out main battery, underneath is the cmoss battery in a yellow sleeve, it is in a black square surround with one small screw holding it in place, take out this screw and with a tiny screw driver manouvre the plastic square holding the cmoss battery out of the recess and than holding this square gentlly but firmly pull the cmoss out.beleive me it will come out, to replace just do everthing in reverse with a new cmoss battery in place.eyeball the aperture for the white connector of the cmoss and you will replace the battery.
Posted on Sep 15, 2009
The C-mos needs replacing. On the T20 series the c-mos is under the battery or a panel on the bottom of the machine, it looks like a large watch battery in a yellow sleeve. Once you've found it, you will see the two wires leading to the connector. Finding it is half the battle. In order to reach the connector you will have to remove the keyboard. Once you disconnect it, it will come out through the bottom. You can purchase a new one at Bestbuy.
Posted on Jun 30, 2008
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Posted on Jan 02, 2017
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