Having problems with your Dell Latitude D620 Notebook ?

My screen is flickering too, but i found intresting response here

\015 Hi,\015\012Not sure why and how, but it appears that there is a relation\015\012between the Wireless network drivers and the display. It sounds weird\015\012but as a work around, try and disable the wireless connection on the\015\012laptop or if you are using the wireless to connect to the network, try\015\012to adjust the wireless card power settings under the wireless NIC\015\012configuration (right click and open network connection\015\012properties>right click on the wireless connection and select\015\012properties>select the wireless NIC>click configure>select the\015\012advanced tab>find the power management in the list>set the slider\015\012to somewhat lower setting). This seems to help. It might have something\015\012to do with power distribution.I use ubuntu linux and i can't adjust power like that. If anyone knows how to do under ubuntu please tell us.Link: http://blogs.infosupport.com/blogs/marcelv/archive/2007/09/26/Dell-latitude-D620-display-driver-problems-finally-fixed-with-a-driver-older-then-Vista-itself.aspx\015

Answers :

Try reseating the lcd cables on the lcd and to the motheboard as well.

Also if you want to verify if its a power problem with your wireless card causing the screen to flicker, remove the card completely and see if the flickering stops. If it does then its bad and the wireless card needs to be replaced. Remember that the wires for your wireless card comes from the LCD so it could quite possibly be a wiring problem as well, make sure there are no breaks in the wires that are being exposed cause that could cause problems.

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