T61 screen is dead

I have a 8892 14" T61 with 1400 resolution. It worked perfectly till yesterday. The screen is filled with vertical lines but nothing else. When I attach an external display to the VGA the external display works fine. Any idea what can be the problem? Thank you very much!

Hi cnhwanggz,
The Hardware Maintenance Manual (avail from Support downloads) has troubleshooting flowcharts. Because your external video still works fine, your GPU is probably fine. The problem is almost certainly either the cable that connects your T61's system board to its LCD, or the LCD itself.
First thing to try is to unplug then re-plug the LCD cable where it connects to the system board. The HMM shows you how, and you can watch videos at:
http://www.lenovoservicetraining.com/ion/
If that doesn't work, you can try unplugging then re-plugging the LCD cable where it connects to the LCD. Getting to it is not nearly so easy, though. You can do it yourself if you're handy and patient, but might prefer not to risk damaging the screen bezel, etc. on your way in.
If re-plugging both ends of the LCD cable doesn't fix the problem, you're looking at replacing the cable (~$35) and/or the LCD itself (~$130). (Prices are only approximate, and are for parts only.) Start with the cable because it's cheaper. The HMM has part numbers, you must get an exact match for both the cable and screen, because there are multiple incompatible versions of each.
If you'd rather not tackle the troubleshooting and repair yourself, I'd recommend contacting an authorized Lenovo service provider. You can find one in your area starting from:
http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-44986&sitestyle=Lenovo
Good luck,
Frank
Results of Your Ideal Business-Class Laptop survey, concluded 2009-07-29.
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T61 screen is dead

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