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Power drain would be a better solution in this case.
1.first shut down the comp
2.unplug the charger
3. remove the battery
and after press and hold the power button for 60 seconds without any charger and the battery.After the 60 seconds replug the battery and the charger and turn the computer .
and if this doesn't help
then try to take out the ram or memory chip from the computer and place it back.
Power drain would be a better solution in this case. 1.first shut down the comp 2.unplug the charger 3. remove the battery and after press and hold the power button for 60 seconds without any charger and the battery.After the 60 seconds replug the battery and the charger and turn the computer .
With the ear bud clean the vents of the fan and check whether it is happening again. And if it is happening again do the bios update of the computer from the hp.com website and check.
do a power drain
1. shut down the comp 2. unplug the ac adaptor 3. take out the battery 4. without any power connect to the comp press and hold the power button for 60 seconds 5.after 60 seconds plug the battery 6. plug the ac adaptor 7. turn on the comp
It is probably not shutting down because there is a program running that will not shut down. Unnstall programs you no longer use and do a virus scan, often the programs that refuse to shut down are malicious. Holding down the power button for 5 seconds should shut down the computer (it signals the motherboard to power down). As for the black screen, not enough detail for me to say.
several things it could be but im going to look at the obvious the battery and cord hook up
laptops when plugged into contstant 120 power the battery is supposed to go into stand by mode and shut battery off so power dont leak into battery
if you have low battery with it plugged into 120 the comp will still think the battery is powering the laptop if battery dead then comp shuts down lack of power
other thing is somehow you caught a virus that reboots comp from dos screen mode
the main thing i always ask is what was the last thing that happened before it did what its doing now
example= was there a power surge pop up screens ect.
i have the same problem...laptop randomly shuts down, but its even done it within a minute of turning it on so i don't think its a heat issue. Sometimes it'll run for over an hour with no problem and never shut down, but other times it randomly shuts down sometimes within a minute, sometimes maybe 10 mins, sometimes 30 mins or more ...its maddening! i'd love to find a solution if anyone's found one. Thanks.