Question about IBM ThinkPad T40 2373 Notebook
1st password i unlock it,and then it gives me error 0271 thereafter another padlock which i thought was bios passwrd
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Posted on Jan 02, 2017
SOURCE: bios password ibm thinkpad g40
Sounds like you tried this, but it's worth a shot again. Remove the CMOS battery on the motherboard and let the laptop sit for an hour, then replace the battery with a new one.
If the only real issue is changing the time and date, you can do this in Windows and it will reset the BIOS clock, too, of course.
If the problem is that the time and date keep reseting, you either have a low CMOS battery or a short on the motherboard that is resetting it.
If all else fails, you might need to flash the BIOS from a floppy disk with the latest BIOS version for your machine to reset it and go from there.
PS: BIOS reset problems on laptops are sometimes due to power problems caused by battery packs going bad; check your battery pack, too, and see if it is working okay.
Posted on Nov 16, 2007
SOURCE: bios lock, ERROR CODE 0271
Error code 0271 - Date and time error. Neither the date nor the time is set in the computer.
Run BIOS Setup Utility to reset the time and date
It sounds as though your computer has the wrong time in the CMOS. The CMOS (Complementary Metal-Oxide Semiconductors) is the chip that holds the basic startup information for the BIOS, system and its peripherals while the system is turned on and off.
If you can get into the BIOS check the date and time settings and make sure they are correct.
It may also be a case of the CMOS battery going out. When this happens your computer will tend to not keep the correct time. They are cheap and relatively easy to replace. Before buying a new batter your can try to take it out and let it sit for about 10 minutes or so to reset the CMOS and then go put the battery back in and go into the BIOS and reset the clock.
Hopefully taking the batter out or replacing it will get past your lock icon asking for the password. Just search for CMOS or BIOS default password for your brand of laptop.
Posted on Feb 03, 2009
For that you need to reset factory defaults settings for bios.
For reset bios u have to open back side of your laptop then u find motherbord circuit there.
pull cmos cell on motherbord for 15 minute then it reset to defaults.
Also u can reset with jumper settigns read carefully on mother bord there is 1 jumper near cmos cell u read there " bios reset or clear"
It is on 1-2 position right now set it in 2-3 position then power up then all bios settings are reset.
then again set it in 1-2 its original position.
Posted on Jul 29, 2009
SOURCE: IBM Thinkpad t43p bios password
The solution is different for each model, so if it's not on the list it probably won't work. IBM bios issues usually involve motherboard replacements or the epprom needs to be changed in order to access it. If the person who gave it to you, is there a chance you can get the information? you can try ebay, there are sellers who claim they can resolve the problem.
Posted on Mar 16, 2012
Testimonial: "Thanks John, but this machine looks to have come from a corporate excess, so there's no telling what th bios password is. When I found there was I bios password I contacted IBM & their solution was a replacement motherboard. Rushed out on eBay & purchased a mb for $50, but after doing more reading I figured I would give some of the other solutions a try before a complete swap of the mb... The original mb has a better ATI vid chip than the replacement, so I would rather keep that one in the machine "
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