Dell Computers - Inspiron 4000 backlight goes off

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Author

Inspiron 4000 backlight goes off - lid switch

hoegge@gmail.com

2005-02-23, 4:45 pm

My Inspiron 4000 turns off the backlight when windows has booted - that
is when the display turns into high resolution graphics. The light
comes on at boot and also when windows is starting. The same happens in
all three versions of windows I have installed (w98, w2k, wXP). If I
change resolution several times, sometimes I can get it to turn on the
backlight. If I close the lid, and the backlight goes off, it does not
go on again.

Is there a lid switch that might be faulty or is there any other way to
troubleshoot this problem. I have just replaced the keyboard, since the
left 3 columns of keys did not work. Now they are OK, but I expect
those two problems are unrelated.

Sincerely,
Hoegge

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