Question about IBM ThinkPad R40 2681
Ibm thinkpad T20 2647 pc note book my laptop bios password is forgat & i dont no know this bios password so i open my laptop password
Laptops often do not have a dedicated CMOS battery, but use a hardwired device which you have to unsolder and solder back.
You don't want to do that without some decent experience.
There are two basic kinds of passwords that will be prompted for by the IBM BIOS, computer and HDD. (You can tell the difference by the icon prompt).
If this is a HDD password, there are no options for recovery in the US. Federal laws prohibit possession of the software to access the secure portion of the disk. The computer passwords are also not able to be cleared locally.
The unit can be sent to an IBM's maintenance and support center and they will either clear the PW or in some cases replace the planar. If you just purchased the laptop, contact the previous owner for the passwords. If not, then sending it in for maintenance is your best bet.
Posted on Jan 14, 2009
You will have to open up your laptop (gently pull up the keyboard after taking out the screws on the bottom of the laptop) and remove the CMOS battery on the motherboard for about a minute and then put it back it to reset the password. The CMOS battery is the only battery present on the motherboard and it looks like a large watch battery (thin, silver wafer). Don't worry... this will only reset the password and will not cause any data loss on your hard drive.
Posted on Sep 26, 2008
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Posted on Jan 02, 2017
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