Having problems with your Lenovo ThinkPad T61 Notebook ?

Screen lighting is alternating from bright to dim.

\015 Screen lighting on a T61 is alternating from bright to dim. How can this be solved?\015

Answers :

Chances are its your inverter, attached to the lcd. you can replace just it, but often it will come with a new lcd
Repair Help & Product Troubleshooting for Lenovo ThinkPad T61 Notebook

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