Having problems with your Dell Inspiron 9400 Notebook ?

Dell Inspiron 9400 laptop display problem

\015 Hi,I have a Dell Inspiron 9400 laptop. Few days back, it started showing me the caution to replace the battery as the battery life ended. But, before I replace the batteries the screen started flickering (with zig zag patterned lines all over the screen) on one of the user accounts. I did not switch it on the next day and on the 3rd day I switched it on and logged on to the other user account. I could work with it for the full day. But, again the next day the same problem appeared and I switched it off. And, then it completely went blank. Now, if I switch it on, the screen becomes brighter, but I cannot see anything on the screen. I have replaced the batteries, but no use. All the lights light up, but nothing displays on the screen. Please help me to identify and fix the problem.\015

Answers :

First power the system on using Fn+Power and see if the diags run and you have video. If you have video in the diagnostics, then I'd suspect the video card as the failure point.\015\012
\015\012Also connect an external monitor and press Fn + F8 to activate the VGA port If you get video on an external monitor, I'd suspect the LCD as the failure point.
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