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IBM ThinkPad 755CE Keyboard cables

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#1 santlou


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  • Location:SW Florida
  • Local time:09:11 AM

Posted 10 December 2008 - 08:23 PM


I have several older IBM Thinkpad 755CE laptops. I was having problems with the keyboard on one of them, so I disconnected the keyboard and plugged it back in. Now I have most of the keys working except for the middle-right keys (i.e. I,O, K, L, <, >, ?)...

There are 3 ribbon cables from the keyboard to the mainboard. I'm not sure which keys are controlled by which cables. Every time I re-adjust the cables, different keys work/not work. I'm assuming the small cable on the left controls the mouse pointer, and the two cables to the right control the keys.

Can someone point me in the right direction? I can't find any documentation on the IBM website that specifies this information.


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