6. IBM & Lenovo Laptops

How to replace screen inverter in IBM ThinkPad T40, T40p, T41, T41p, T42, T42p laptops

Here are instructions for replacing screen inverter in IBM ThinkPad T40, T40p, T41, T41p, T42, T42p series laptops. All these models are identical and share the same disassembly steps.
What is the screen inverter in a laptop computer? Why would you want to replace the inverter?
The screen inverter is a small circuit board witch is […]

IBM ThinkPad laptop displays fan error message on bootup

Let’s say you have an IBM ThinkPad laptop and when you turn it on all you get is a black screen with “Fan error” message. What could be wrong?
A few weeks ago, the fan in my trusty IBM T42 bought the farm. This resulted in the unit heating up considerably, as well as numerous […]

Replacing wireless card on an IBM ThinkPad laptop

Do you want to replace the wireless card on your IBM ThinkPad laptop but not sure where to find it? Pictures posted on this blog explain how to open up an IBM ThinkPad laptop in order to replace the wireless card.
On some ThinkPads the wireless card is located inside the laptop and you’ll have to […]

Repair IBM ThinkPad keyboard with a missing key

Do you have an IBM ThinkPad laptop with a missing key on the keyboard? Not a problem, you can fix the keyboard without taking your laptop to a repair shop. It’s not even necessary to disassemble the laptop and replace the whole keyboard. If you have all the pieces from the fallen key, then the […]

How to upgrade CPU on IBM ThinkPad T41p laptop

Is it possible to make an older IBM ThinkPad T41p laptop a little bit faster? Yes, it is if you upgrade the CPU as it explained in this tutorial.
I learned that with a simple BIOS flash, the original 1.7 ghz pentium M “Banias” CPU (130nm process, 1mb L2 cache) that came standard with the T41p […]

How to add internal wireless card to an IBM ThinkPad laptop

Do you have an older IBM ThinkPad laptop that came without internal wireless card and wireless antennas but has a slot for the wireless card on the bottom? Now you can upgrade your laptop by installing internal wireless card and antennas yourself using these instructions.
In this project we added an internal wireless adapter to a […]

IBM ThinkPad screen went blank

Your IBM ThinkPad laptop screen (or any other laptop) went blank? Check out this article.
I could get the screen to come back on momentarily by toggling Fn-F7 a few times, but after about 10 seconds it went blank again. After rebooting, same thing — 10 seconds and blank.
Upon closer inspection, I noticed that I could […]

Replacing failed backlight lamp on IBM laptop

This guide will show how to open up the LCD screen on an IBM laptop and replace the failed backlight lamp (CCFL).

LCD panels become useless when their backlight lamps fail. It can fail as early as one year after production, but most units fail after three or four years of use. My ThinkPad T23 is […]

Laptop screen displays vertical lines and no video

I have an IBM T30 that has a video problem: vertical lines appear and no video…but works perfect on external monitor.. Changed cable and ensured proper seating of the connectors. Vertical lines different thickness with new cable but still the same problem.
Could it be a dead LCD display?
I hope it’s not the mother board!!
From my […]