Supratim Roy June 6, 2011 at 09:57:02 Specs: Windows XP, celeron
lenovo laptop sreen is black, but normally start, cpu fan is running, external monitor from VGA port does not working, hard disk indicator is blinking, power-status indicator is on, But LCD screen is not working.
If an external monitor also doe not work then it sounds like a failed Graphics chip. That would most likely require a motherboard replacement. You may need to hit certain keystrokes to enable an external display. Check your manual.
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