I am out of guarantee for the Dell XPS M1330 laptop screen has disappeared blank. I can get a screen using a HDMI cable for driving a monitor. I have not tested the VGA port is working. If the power, hold down the D key, the display cycles through the target and the three primary colors, and then goes blank on boot begins. Report prior to the start of a diagnostic error message was not detected LCD 2000-0321. I am willing to dismantle the equipment to test and replace parts, having done this with several Dell laptops in the past. Can anyone suggest the sequence to try and test the new parts?
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