While browsing the web, I came across this informative blog on black screen error on a laptop. Although a bit technical, but the tips in this article helped a lot to fix the problem. I was facing the laptop black screen problem from quite some time, and it just displays the spinning dot or no activity at all. To troubleshoot the problem, I removed all the wires or adapter from my laptop and pressed the power buttons for several seconds until the power light got off. Then again, I turn on the switch, and my lap got turned on. Basically, the error occurred due to an improper shutdown last night, which troubled the safe turn-on operation. You can also try this simple reset technique to resolve the black screen error. If it doesn't fix the problem, you can hard reset it by turning off your laptop and disconnecting it again. Remove the battery from the computer and then press the power button for 15 seconds to drain the charge. Now insert the battery back to the slot and plug your laptop to the charging point. Turn on the computer, and the problem resolves.
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