As mentioned above, i have recently experienced a transparent vertical band that is much duller than the rest of the screen. it is about 2 inches wide. it appeared earlier today. i tapped the keyboard in the top right hand corner when i wasnt looking and the band appeared. whether this is just coincidence i have no idea. i have no idea why this has happened....its very frustrating. Please help!
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the screen inverter is on its way out simple to replace unscrew the rim on the outside of the screen pull it off gently at the bottom there is a stip with wire going into it at each end disconnect it remove it do the reverse to put it in i suggest ebay for spares
Try to plugged in external monitor to your computer. If you did not experienced this problem using the external monitor then this is not a mainboard issue. This could be an LCD issue. You need to call the manufacturers tech support department and have your computer repaired. Same goes also if you experienced same problem using external monitor. You still need to call dell tech support department for mainboard replacement.
Try connecting an external monitor to the Dell Inspiron 9300 and see if the vertical line is also present on the monitor. If the monitor display is fine, then your laptop’s LCD display panel is defective. If the monitor also displays the vertical line, then your problem is with either the video card or motherboard located inside your laptop. Not sure if the Compaq Presario has an external monitor plug, but if it does the above procedure can be applied to that one as well. Your responses are intended to improve the level of service provided. Please rate your experience. Thank You.