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Hi, my laptop is HP Probook 4730s, I have a problem that occurred by itself for about a month. I put the laptop in sleep mode, after hours when I try to open, laptop isn't opening. Screen stays black and fan starts spin fast after 3 seconds later. And I hold power button, laptop turns off, again I trying boot up, same thing happening, after 4-5 tries, laptop boots up. What is the problem?
 
Have you tried what was suggested on the other forum and or looked into?

Might need a good cleaning and you may need to look at the power configurations.

Had this issue with a Dell once and had to replace the power switch.
There's nothing wrong with power switch. I've been searching for a long time but I couldn't find anything in other forums.
 
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