Question about Lenovo ThinkPad T43 Notebook PC

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I am working on a Lenova t43 laptop for my school, which has been locked by a previous tech. I removed the cmos battery and left it out over night, but it did not erase the locked cmos. Is there anything else I can do, because IBM lists the prior tech as the owner of the laptop. We are running out of options, so I'm posting here to see if theres something I don't know.

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  • 26 Answers

Traditionally with ThinkPads:

1. The BIOS password can be reset with the CMOS.
2. The Supervisor password cannot.
3. The HD password cannot.

If it's the harddrive that's locked you will have to replace that. If it's the Supervisor password you need to replace the system board which kind of defeats your purpose.

Posted on Oct 06, 2017

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4 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Anonymous

  • 60 Answers

SOURCE: Lenovo Notebook Problem

Sorry, there isn't a way to get past the password other than to contact Lenovo. Resetting the CMOS will do nothing. They will ask for proof of ownership before they do anything. I believe they have a "backdoor" password.

Posted on Oct 23, 2008

Geekman

Chris Hingee

  • 32281 Answers

SOURCE: I re-installed XP T43 laptop and my wireless does not work

First thing is to check if the wireless device is working. Go to Control Panel - System - Hardware - Device Manager. Click on Network Adapters. Do you see the the Wireless card?
If not in Control Panel click on Network Connections, do you see a Wireless Connection? If not you need to install the correct wireless network driver, Check the IBM site again, there should be another wireless driver (there are a couple of different wireless card installed on T40 series ThinkPads).
THEN
If you succeed in installing the wireless driver and it is enabled.
Then click Control Panel - click on Network Connections - right click on the Wireless Networl Connection - Click on Properties and check if TCP/IP has been installed, if not install it. Check TCP/IP properties - make sure it is set to Obtain an address automatically and Obtain DNS Server address automatically.

Check the wireless settings on your other laptops, use this information to configure the wireless on the T43, ie the SSID, WEP or WAP settings

You should be able to connect to your wireless router and Internet now - let me know how it goes,

Posted on Mar 14, 2009

Anonymous

  • 7 Answers

SOURCE: No sound from IBM ThinkPad T43

your driver is missing so the laptop doesn't see the sound hardware located on the laptop motherboard.

The audio could also be turned off in the bios also but missing the audio driver is usually the problem..

Go to their website listed below for support.
http://www-307.ibm.com/pc/support/site.wss/homeLenovo.do

enter your model number and download and install the latest version of the audio drivers.
Their is instructions on that page for installing the drivers.

also you can download the Lenovo Systems ToolBox software and run that.
The software contains Diagnostics Tools just for IBM laptops.

Why windows dumps some of its drivers sometimes is a odd thing.

Jim Avery
Jim's Computer Repair

Posted on Jul 07, 2009

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1 Answer

Startup password


To remove password remove the cmos battery and move the cmos jumper to "clear." Wait a few moments and reinstall battery, put jumper back in normal position and get into the bios. Hopefully your battery in the laptop is accessible. On some units it can be a bear to get to!!!!!!!

Aug 25, 2017 | The Computers & Internet

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When turning my laptop on all I get is a black screen with a lock symbol in the upper left corner, requiring a password


Ufortunately there is no easy solution for this problem, the bios is password locked preventing window startup. Removing the main and the cmos battery will not work because it retains the information regardless how long the power has been removed. If you are the original owner you can contact IBM to have your password remove for a fee, the other possibility is to check out ebay sellers who offer this service, but be carefull some don't deliver as promised. The only other approach is change the motherboard or replace the eprom chip ( 8 pin ic )

Aug 23, 2011 | IBM ThinkPad T43 Notebook

1 Answer

I have a Lenova laptop and a intel MB I am having a problem. Trying to login but the supervisor password won't let me in no matter what i try Lenova G550 2958


When you boot up to the log in screen type in administrator as user to log in if you cant log in

during the boot up process you will see on the screen for a short amount of time press a certain key to enter set up press and hold that key during the boot up process to enter BIOS scroll down to set user password or supervisor password you can change or remove your password from there

also

The most common way that we know on how to reset or clear the BIOS password is to physically remove the power from the computer by disconnecting the power plug and then removing the Cmos battery for 30 minutes from the motherboard. Another way is to reset the clear CMOS jumper on the motherboard itself. Both of the 2 methods mentioned works because most motherboards use a battery to sustain the BIOS/CMOS settings for the motherboards PROM chip. So by cutting off cmos the battery power, the BIOS/CMOS settings will be erased. Hope this helps

Aug 13, 2011 | Intel Motherboard

1 Answer

My laptop have got biolock password and i forget my password so tell me how to unlock biolock in ibm model t43


If you are referring to the bios password, you can reset it most times by removing the cmos battery, usually a silver nickel cadmium battery on the motherboard. Remove it and then replace it, this resets all CMOS settings.

Apr 01, 2011 | Computers & Internet

4 Answers

I cannot reboot, the thinkpad is locked. how do i


A. By Using the Motherboard Jumper:
In most motherboards CMOS battery is soldered, which makes it difficult to remove the battery. In this case we use another method.
Almost all motherboards contain a jumper that can clear all CMOS settings along with the BIOS password. The location of this jumper varies depending upon the motherboard brand. You should read your motherboard manual to check its location. If you don't have the manual then look for the jumpers near the CMOS battery. Most of the manufacturer label the jumper as CLR, CLEAR, CLEAR CMOS, etc.
When you find the jumper, look carefully. There will be 3 pins and the jumper will be joining the center pin to either left or right pin. What you need to do, is remove the jumper and join the center pin to the opposite pin. e.g. if the jumper joins center pin to left pin, then remove it and join center pin to right pin. Now wait for a few seconds and then again remove the jumper and join the center pin to left pin.
Make sure to turn the PC off before opening the cabinet and resetting the jumper.

B. By Using Software:

I have found that BIOS/CMOS Password Recovery Tool is the most effective.:
BIOS/CMOS Password Recovery Tool is a program that works instantly to remove any lost or forgotten BIOS/CMOS password. Simply boot your PC to DOS and execute the program, and get access to forgotten BIOS/CMOS passwords in just seconds
BIOS/CMOS Password Recovery Tool Service: http://www.biospasswordrecovery.com/

Oct 11, 2009 | IBM ThinkPad T43 Notebook

1 Answer

Just bought IBM thinkpad 380z laptop for $30 they said that they lost the password for it. When I turn the computer on the screen goes black and then you have a lock symbol that appears. Anyway of...


Battery fully charged, battery installed in the IBM Thinkpad 380Z.
Laptop off.

Turn the laptop over on it's top cover. Remove the Memory Compartment Cover. (Front of laptop facing you. Cover to the front right. Remove one screw)

On the laptop body, you will see the hole, for where the Memory Compartment Cover screw came out of.

Right below the hole you will see two metal pads. Copper or Brass. These two little pads are pretty close to each other.

Take a flat tip screwdriver,and touch the tip to both of them at the Same Time. The tip of the flat tip screwdriver, must be wide enough to touch both of those pads. Hold it there for Two seconds.

You are shorting the Power-On Password jumper pads.

Put the Memory Compartment Cover back on. Turn the laptop over. Press the Power On button, and hold it down until the laptop powers up.

If a Supervisor Password has bent set, as well as a Power-On password has been set, this will not work.

If so, past this point I suggest it will have to be taken to a tech, who will contact Lenova, (IBM now), and verify that you have purchased this laptop. Not stolen it. Then Lenova will give a password to the tech, who will enter it, and enable you to use it. You'll probably be prompted by the tech, to enter your own password at this point.

Apr 17, 2009 | IBM Computers & Internet

2 Answers

Toshiba SPM30 bios password remove


Hello,
All you need to do is open one of the covers on the backside of the laptop and remove the CMOS battery (it looks like the size of a quarter) for a few seconds, then place it back into it's holder and put the cover back on. You can then power up the laptop and then re-set up all the settings in the BIOS in order for the laptop to work correctly as all previous settings have been forgotten including the password.

Good Luck!
Rich Lilja

Jan 17, 2009 | IBM ThinkPad T43 Notebook

2 Answers

I FORGOT MY laptop HP PAVLION 4000 SEREIS BIOS PASSWORD


see if you can locate a jumper beside the cmos Battery on the system board...
If yes, you will notice that its having three pins and has the inscription "1-2 cmos" , "2-3 clear"
If yes then remove the jumper from "1-2" to "2-3" and wait for about 5 to 10 seconds to clear the CMOS battery.
Replace the jumper to "1-2" and enjoy your default settings...

Get back to me if there is any problem....

Thanks..

Jan 08, 2008 | IBM ThinkPad T43 Notebook

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