Https://smallbusiness.chron.com/restore-thinkpad-factory-defaults-42801.html
Below is a user manual.
http://ps-2.kev009.com/pccbbs/mobiles_pdf/t23tsguiden.pdf
Below refers to recovering pre-installed software.
https://www.manualslib.com/manual/291029/Ibm-Thinkpad-T23-2647.html?page=36
Below is a work around for a T23 that would not boot:
https://www.cnet.com/forums/discussions/help-ibm-thinkpad-t23-will-not-boot-233013
SOURCE: how to reset to factory setting . i have ibm thinkpad r50e.
Turn your unit off.
then turn it back on.
Watch the display carefully, Press the Blue Access IBM button when you see the message
"To interrupt normal start up, press the blue Access IBM button"
Then double click on "Recover to factory contents"
Follow the instructions on the screen.
When the Recovery process finishes, press enter.
Your computer will start with the pre-installed OS, Drivers and software.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe
I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309
SOURCE: Display drivers for IBM Thinkpad t23
Drivers for Vista are not available.
You can find all drivers for Windows XP{ and older clicking below:
IBM Thinkpad Driver Download models T22, T23
Direct link below:
T23 Video driver, v12.90.90
SOURCE: i need ibm thinkpad t23 vga drive
Drivers for Vista are not available.
You can find all drivers for Windows XP{ and older clicking below:
IBM Thinkpad Driver Download models T22, T23
Direct link to Video driver below:
T23 Video driver, v12.90.90
SOURCE: Laptop screen goes black, no backlite
You could have a defective screen - a defective inverter or a CCFL lamp.
To determine if you have a LCD screen or video card problem, read this and follow the instructions.
Defective CCFL backlight, it may have the following symptom:
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp
Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.
Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.
SOURCE: forget BIOS Password (Laptop - IBM Thinkpad Lenovo R60)
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.
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