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‎11-28-2024 01:38 PM

HP Recommended
Product: HP EliteBook 840 G8 Notebook PC (19X35AV)

Hi! I have a problem turning on my laptop. Now it won't turn on. It does not respond to any actions. Just a dark screen and nothing lights up. When I connect the charger, the power button and the caps lock key light up. IMPORTANT. They do not light up at the same time and do not flash. The power button stays on for about 30 seconds. Then it goes out and the caps lock button lights up for about 30 seconds. 

I looked at other tips and tried to fix it.

I kept the power button pressed for 15 - 30 seconds. I tried to reboot the bios with compilations win+b, win+v, b.

I wrote the latest version of the bios to a USB flash drive and tried to do an update ( nothing starts ). 

The laptop does not respond to anything.
What influenced this. I have two memory  of the SSD. 
I change them depending on my needs. 

I turned off the laptop but did not disconnect the battery.

Sometimes, after replacing one of them, the laptop would not turn on. It was enough to hold down the power button for 15 seconds, and the laptop would boot with some (I don't remember) error, and then start the system.

Last time I forgot to turn off the laptop (the system was running) and replaced the SSD. 

After that, what I described in this post happened. Any ideas what the problem might be and how to fix it? Thank you for your attention and I will be glad to hear any advice.

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