Question about IBM 11P836402 for ThinkPad R40 Monitor
My lcd monitor suddenly displayed streaks. the display is rapidly and randomly jumping around. it's like someone chopped the display into thin strips and jumbled them around. check it here http://i236.photobucket.com/albums/ff61/Sir_rondell/Snap010.jpg
The solution may be one of several things. here are my ideas in increasing severity.
1) Bad connection. Fix: tear apart the screen and check the video connection. It looks just like that when you don't have a good connection with the sync signals from the motherboard
2) Bad screen. Check video feed to external monitor. Shut down laptop. Plug in an external monitor. Start it up and the external monitor should show a good picture if the problem is a connection or a bad screen. If it's a bad screen, you will need to replace it (easy to do at home for 1/3 the cost of some outside source). Go to ifixit or instructables or repair4laptop to get ideas and walkthroughs. So, good feed to external monitor and no bad connections=bad screen... maybe.
3) bad video card. Replace motherboard = $$$. this is more difficult to do at home. If the external monitor shows the same streaky picture, you're pretty much guaranteed that you will have to replace the motherboard.
try pushing on various parts of the computer to see about bad connections, usually two thirds to three quarters of the way up the back of the screen is the connection and somewhere under the keyboard is the video card. don't press too hard, but see if anything's different when you try it. Good luck.
Posted on Mar 26, 2008
I just had this problem on my Dell lcd monitor. Turns out it was just a loose cable connection to the back of the monitor itself.
Posted on Oct 23, 2007
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