Question about IBM ThinkPad A30 2652 Notebook
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Posted on Jan 02, 2017
The most common fault here is certainly the screen cable - it is available cheaply on ebay - I'm in the UK so here is a local example in this link:
the other slim possibility is failure of the backlight switch which detects when the screen lid is closed.
Please rate this assistance as we depend on your feedback - hopefully this should be fixya - thanks,
Posted on Mar 24, 2008
I had the same problem with my T21. I also had to close and open the lid a few times in the beginning, but after a while even that didn't help anymore.
So, I took the whole thing apart, and what I expected turned out to be right: the ribboncable going to the display was cracked where it leaves the lid and goes into the pc-case.
It is possible to repair it (I know, because I did) but if you're not used to work with a soldering iron (and your eyes are in perfect shape), don't even try. These contacts are so tiny that I had to work through a magnifiying glass all the time.
First, you have to remove the outer shell of the ribboncable. The easiest way to do that is with one of these highspeed rotary tools. (Note that this shell is made of conductive material, watch out with the debris)
When the cover is removed, you can see which traces are broken. Before you can solder the broken ones, you have to remove the varnish from them. That can be done with a sharp knive. Be very careful, because the copper layer underneath is very thin.
In my case, four of these traces at the side of the cable were broken (varying in size between 1/2 and 1.5 millimeter).
I soldered some copper wires over the fractures, and that did the trick.
It works again!
Biggest challenge now is to get it assembled again :-)
Remark: If opening and closing the lid solves the problem for a while, you can be definitly sure it is the cable, and not the inverter or the LCD.
Posted on Jun 06, 2008
SOURCE: IBM t42 Display problem
Sometimes there are keys are your laptop that adjust your settings.
If you know which keys you can hit the fn key simultaneously.
If your not sure go on line and you should be able to find a site that will tell you how to adjust your screen.
In search type your laptop model then type display settings
Posted on Jan 13, 2009
SOURCE: IBM R51 Backlight Problem..
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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How to Change the Brightness of the Display
To darken the display, press the yellow 2nd button and then press and hold down the Up-Arrow button located in the upper right section of the keypad. Release the Up-Arrow button when the display has reached the desired level of darkness.
To lighten the display, press the yellow 2nd button and then press and hold down the Down-Arrow button. Release the Down-Arrow button when the display has reached the desired level of lightness.
As you go through this process, a number will appear at the top right corner of the display. If this number is 7 or higher when your screen reaches the desired level of brightness, then your batteries are getting low and may need replacing soon. This number will be approximately 3 or 4 for new batteries.
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