The screen on my Dell Inspiron 4000 goes crazy (for lack of a better term) sometimes.
The screen on my laptop goes all pixelated and crazy sometimes. It seems to happen when I accidentally bump the lid (when my laptop is on and open) and wiggling the lid of the laptop is the only way to more or less "jiggle" the screen display back to normal.
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If your laptop is under warranty, & if the number of dead pixels (as it is known by) is more than 6, contact Dell customer care & send them the screenshot. Number of dead pixels has to be atleat 6. Can you count hown many such pixels make up that smudge?
Hello there, this a well known problem with inspiron 4000's like a majority of other Dell Inspiron user's... After some time I've managed to fix it simply by downloading a touchpad driver (Tp2aa10i.exe) for Inspiron 4000 from a Dell website. The problem is the defect of the mousestick! And Dell is aware of it! Upon installation, simply disable the mousestick and the headache's gone! This way you can still use you your touchpad and mouse.....
Sometimes this is a sign of the monitor ribbon disconnecting from your motherboard. If you feel confident in taking your computer apart, you can reseat the cable and see if this improves. Usually pixels die individually, lines tend to be a video card error.