My laptop turns on but my screen is not turning on and I'm not sure why. Add new comment Comments 2025, February 14 - 13:28 #560506 Mr._V. 8 years 1 week Attach external monitor and see. If external not turn on, black screen = motherboard error. If external display working, test backlight (use torch) to LCD. Shadow picrure seen, replace backlight. No picture, replace LCD completly. 0
Attach external monitor and see. If external not turn on, black screen = motherboard error.
If external display working, test backlight (use torch) to LCD. Shadow picrure seen, replace backlight. No picture, replace LCD completly.
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