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How do I get into a IBM Thinkpad R51 windows XP,that I can not get pass the two passwords to access the computer: the Power-On-password and the Hard drive password. Machine does not boot.

I have tried to disconnect the bios battery and then reconnect the battery cable, and then restarted the computer. password was not taking off. Error message statement displays [0271]Time and Date should be adjusted to sequence--Error [0176] Checksum is not seeing.The first password is accepted and the next one which i believe is true does not so the next screen ican not access to initialize the boot. The boot cycle rotates once and stops. Humms at one turn and stops. J.Y.H. PS. I do not know where to locate the Dip switch or J1 jumper on mother board.make 1831 ppu 4/4/2015 1:43

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  • 238 Answers

Hi Juan,

I hope this helps!

Posted on Apr 04, 2015

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I have a cmos lock on my ibm laotop


There is no such thing as a CMOS Lock. CMOS is a battery.

Maybe you have a BIOS Password lock? Or a Hard Drive Password Lock? Or A Windows Welcome Screen User Login Password Lock?

Apr 09, 2012 | IBM ThinkPad R51 Notebook

4 Answers

Ibm thinpad t40 is locked unable to open


HI............
Reset IBM ThinkPad Password
An IBM ThinkPad laptop can have three hardware password sets:
  • Power-On Password
  • Hard Disk Password
  • Supervisor Password
Power-On Password RT/CMOS RAM has 8 bytes reserved for the power-on password and the check character. The 8 bytes are initialized to hex 00. The microprocessor can access these bytes only during POST. After POST is completed, if a power-on password is installed, the password bytes are locked and no program can access them.
During power-on password installation, the password (1 to 7 characters) is stored in the security space.
Installing the password is a function of the built-in system program Easy-Setup. The power-on password does not appear on the screen when it is installed, changed, or removed. After the power-on password has been installed, it can be changed or removed only during POST.
Hard Disk Password The hard-disk password (HDP) prevents unauthorized persons from accessing the data on the removable hard disk drive.
Supervisor Password The supervisor password prevents unauthorized persons from changing the system information in Easy-Setup.
thinkpad.png How to Reset an IBM ThinkPad Power On Password using Software If the user can boot the IBM ThinkPad, KeyMaker will recover the BIOS password.
How to Reset an IBM ThinkPad Power On Password Using Hardware If the ThinkPad cannot be booted, reset the IBM ThinkPad password via hardware.
If only the power-on password is set, do the following to remove the power-on password.
  1. Power off the computer
  2. Remove the DIMM cover on the bottom side of the computer.
  3. Short circuit the two password pads or put a jumper on the contacts to short the circuit.
  4. Under the short circuit condition, power on the computer and wait until the POST ends. After the POST ends, the password prompt does not appear. The power-on password is removed.
  5. Reinstall the DIMM cover.
If both the power-on password and the supervisor password are set, do the following to remove the passwords:
  1. Press and hold F1 to power on the computer.
  2. Enter the supervisor password. The Easy-Setup menu appears.
  3. Click the Password icon.
  4. Click the Power on icon.
  5. Enter the supervisor password and press the Space bar.
  6. Press Enter twice.
  7. Click Exit then click Restart.

GOOD LUCK......

Sep 26, 2011 | Computers & Internet

2 Answers

Can you help? I'm trying to get into an IBM R50e thinkpad, so it was my uncles. My uncle has passed away and we need to know the password for his laptop. Is there anyway i could get into...


You can reinstall the operating system from a Windows setup disc. When prompted to format the disc, do not. Instead keep the current files system (normally NTFS) so that you don't lose the data from the hard drive. Once the operating system is installed, it will no longer have a password. Or, you can download a Windows password removal application - use Google to locate one. There are several.

Dec 12, 2010 | IBM ThinkPad R51 Notebook

1 Answer

I am getting a blue scree error on my IBM Thinkpad R51 that says unmountable_Boot_Volume. It will not let me run on save mode...it brings me back to the blue scree error message. I have windows xp


Unmountable boot volume = The file system is damaged and cannot be mounted.
To fix that do the following:
1.Put the CD first in the boot order and boot from the XP install disk.
2.When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
3.Select your partition - it should be C
4.When you are prompted, type the Administrator password. If the administrator password is blank, just press ENTER.
5.At the command prompt, type chkdsk /r , and then press ENTER. 
6.At the command prompt, type exit , and then press ENTER to restart your computer. 
This takes a bit longer, but the system should boot back into Windows.

Jun 14, 2010 | IBM ThinkPad R51 Notebook

1 Answer

My IBM thinkPad laptop model no R51 displys lock before booting & I forgot my password so plz help me


If the computer is asking for a BIOS password, you will have to have the computer disassembled in order to clear the BIOS and reinstall it.

Jan 06, 2010 | IBM ThinkPad R51 Notebook

2 Answers

Dont have password


There are two sections (that come to mind) when a password is requested in starting a computer. BIOS or Windows Passwords.
WINDOWS PASSWORD This will be after the windows logo as come up. Depending on which version of windows you have, you will need to find a windows password reset tool. 
A lot of these will require you to boot from a CD that you have created from an ISO image. If this is is confusing, head into a computer shop and ask them to do it.  Alternatively, reformatting the machine by reinstalling windows over the top should eliminate the problem (and all of the data that is still on the machine.)
BIOS PASSWORD This will usually be during the 'black screen' phase of booting.
An IBM ThinkPad laptop can have three BIOS hardware passwords set
  • Power-On Password
  • Hard Disk Password
  • Supervisor Password

Power-On Password
RT/CMOS RAM has 8 bytes reserved for the power-on password and the check character. The 8 bytes are initialized to hex 00. The microprocessor can access these bytes only during POST. After POST is completed, if a power-on password is installed, the password bytes are locked and cannot be accessed by any program. During power-on password installation, the password (1 to 7 characters) is stored in the security space. Installing the password is a function of the built-in system program Easy-Setup. The power-on password does not appear on the screen when it is installed, changed, or removed. After the power-on password has been installed, it can be changed or removed only during POST.
Hard Disk Password
The hard-disk password (HDP) protects the data on your removable hard disk drive from being accessed by unauthorized persons.
Supervisor Password
The supervisor password protects the system information in Easy-Setup from being changed by unauthorized persons.
How to Reset an IBM ThinkPad Power On Password using Software If you can boot the IBM ThinkPad, KeyMaker will recover the BIOS password.
How to Reset an IBM ThinkPad Power On Password Using Hardware If you cannot boot the ThinkPad, you will have to reset the IBM ThinkPad password via hardware. If only the power-on password is set, do the following to remove the power-on password. Power off the computer Remove the DIMM (Memory) cover on the bottom side of the computer. Short-circuit the two password pads or put a jumper on the contacts to short the circuit. Under the short-circuit condition, power on the computer and wait until the POST ends. After the POST ends, the password prompt does not appear. The power-on password is removed. Reinstall the DIMM cover.
If both the power-on password and the supervisor password are set, do the following to remove the passwords: Power on the computer by pressing and holding F1. Enter the supervisor password. The Easy-Setup menu appears. Click on the Password icon. Click on the Power on icon. Enter the supervisor password and press the Space bar. Press Enter twice. Click on Exit; then click on Restart.

May 21, 2009 | IBM ThinkPad Z60T Notebook

3 Answers

Supervisor password


A Supervisor password protects the system information stored in the BIOS. The user must enter the Supervisor password in order to get access to the ThinkPad BIOS Setup Utility in order to change the system configuration. If the Supervisor password is forgotten there is no way to reset it to enter the BIOS configuration. Setting a Supervisor password automatically sets the master Hard drive password. The following is the icon that comes up in the upper left corner if a Supervisor password is set:
A forgotten Supervisor password will prevent access to the ThinkPad BIOS setup utility. To regain access, the system will need to be serviced to have the system board and hard drive replaced. Proof of purchase is required, and this repair is not covered under the warranty.


Document id: MIGR-59377 Last modified: 2005-06-17 Copyright © 2009 IBM Corporation Copyright © Lenovo 2009, all rights reserved

Mar 25, 2009 | Lenovo ThinkPad R51

2 Answers

Disable boot up password in R51


You could open up the R51 and remove the CMOS battery. This would reset the password.

Here is a link I found that allows one to hack the BIOS password:
http://sodoityourself.com/hacking-ibm-thinkpad-bios-password/

Or try this fixya thread:
http://www.fixya.com/support/t1641914-ibm_thinkpad_r51

Feb 06, 2009 | IBM ThinkPad R51 Notebook

3 Answers

Ibm thinkpad r51


What is the default password for my R51 Thinkpad by IBM Model # 2888?

Feb 04, 2009 | IBM ThinkPad R51 Notebook

1 Answer

Thinkpad r50


The Power On Password problem is near impossible to crack. It is designed to prevent unauthorized access to the Thinkpad and removing the BIOS battery will not remove the password because the password is stored on an EEPROM chip.
There are no backdoor passwords available, the only option is to ask the person who set the password.
OR
There is a way to hack into the Thinkpad to see and remove the password but it requires electronic skills, a program and a working computer.
For details on how to do this go to :-
http://sodoityourself.com/hacking-ibm-thinkpad-bios-password/

Feb 04, 2009 | IBM ThinkPad R51 Notebook

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