Question about IBM ThinkPad R51 Notebook
I have opened this computer (R51) case for changing WLAN card. So that one of the antenna has been touched to mainboard and backlight has gone away.
I had some suspects about having inverter damaged. To check that, I have changed complete screen part with the one I have (IBM R52)..Result was the same. After complete screen change Everything was dark. I can see the pictures on the LCD but no back light.
Later on, I have tested complete screen of R51 on my R52 system..So everything was OK. Backlight was there..
I understood that there is no problem with LCD Screen part of the system.
Is there a way to feed inverter from somewhere else..
Check the model/part on the inverter. if you know you have a good one on the second laptop, remove it and try it in the non-working one. if the parts match which most of the time they do, then you are ok, it should only be two wires on the inverter, one coming from mobo, one coming from lcd. if that doesnt work you have blown a capacitor/resistor somewhere down the line. in that case it will have to be serviced and will run you anywhere from 80-130 if you find a place local or on ebay.
Posted on Jul 23, 2009
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Posted on Jan 02, 2017
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