Having problems with your Dell Inspiron 6400 Notebook ?

No display. I am an electrical engineer with a lot of experience fixing older desktop systems but new to spelunking into laptop issues. That said... My system was fine night before. Powered on. LEDs seem to indicate system is running. LCD panel is blank, no POST/Dell logo or anything. At some point the display again worked for about 5 minutes and then went blank again and has not returned. LCD backlight is on. Ran Spinrite on the HDD. It is fine. I have an Invidia Go7300 card. The VGA connector


Answers :

It might be a problem with the lcd cable . open the comp in front of you at an angle of 90 degrees . just above the keyboard there is a pannel on which the power button is also there . we need to take out that pannel , on the far right hand side of that pannel there is a place where you can fit a screw driver . place a screw driver there and then pry the pannel from right hand sidew towards the left hand side . now you will be able to see two screwws which are securing the keyboard open them and you will be able to tajke off the keyboard . now look for the lcd cable which is comming from the lcd through hinch and going in the motherboard , we need to unplug that cable and then plug that back and while doing so blow some air in that connector . the cable might be connected to the motherboard with a connector below the keyboard or below the pannel which we took off earlier .
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