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Gateway laptop vertical dotted lines across the screen

\015 My Gateway laptop is having the following symptoms:\015\0121) BIOS "welcom" screen: Vertical dotted/dashed lines ONLY found in the left side of the screen.\015\0122) Before windows boots: Random characters everywhere glitching and warping characters.\015\0123) Windows XP welcome screen: Dotted vertical lines distributed everywhere.\015\0124) Windows Desktop: Some icons (escpecially white ones) look corrupted;\015\012Dotted vertical lines everywhere. Right click menu window leaves a\015\012"ghostly shadow" of more distinguished dotted vertical lines.\015\0125) At times there will be a static signal flicker: Dots changes color\015\012or randomly disappears. This static happens if there is no physical\015\012movements or if it is just idling.\015\0126) Sometimes it fixes itself but it still leaves a matrix of dots. Pressing F5 (Refresh) or resizing windows or taskbar cleans the matrix.\015\0127) Physically smacking the laptop sometimes reproduces symptoms 5 and 6, eg. smacking it fixes the vertical lines.\015\0128) If the laptop is displaying normaly (ie, no dotted lines), opening\015\0123d games or application often reproduces symptoms 4-7, and either\015\012disappears at reboot or reproduces all the symptoms.\015\012\015\012This problem has happened 3 times already. Laptop has been service by\015\012the warranty and they say they replaced the MoBo. I could conclude that\015\012this symptoms can be a defective mobo memory or a loose connection. I\015\012want to know how to locate such problem in the laptop so i could fix\015\012this myself after my warranty expires.\015

Answers :

Sounds like a problem with the LCD assembly or cable. You may want to reseat the LCD cable at the LCD end. It could be a loose internal connector in the LCD assembly.
Ron-
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