Here are some fixes that have worked for us.
Check and replace the power supply.
Many laptop AC adapters look the same.
If the adapter doesn’t offer the correct voltage and amperage for your laptop, it won’t work.
However, if your laptop’s power light is on, the power supply is probably working.
If you aren’t using it plugged in, does the battery have a charge?
We’ve definitely been caught without a charged battery before.
If your laptop is mobile often, consider aportable laptop battery charger.
Detach from any docking stations and plug the power adapter directly into the laptop.
see to it it’s not a screen issue.
If it doesn’t, use the brightness function key on your keyboard toincrease the brightness.
In this case, it’s best to consult a computer technician.
double-check all cooling vents are clear.
Laptops have special safety circuits to cut power to your laptopif any components overheatusually the CPU.
Avoid this tokeep your laptop cool.
Remove any bootable media drives.
Listen forbeep code sounds.
When motherboard components fail, the laptop might issue a series of beeps.
Thenumber of beeps is actually a codeto help you identify the failed component.
It could be anything from a memory issue to a video card or processor problem.
Connect the power adapter again, wait 30 seconds, and then turn on the system.
If your laptop starts, turn it off again and reinstall the battery.
This is to protect sensitive components from electrical overload.
If this battery is dead, the laptop won’t start.
you’re free to replace the CMOS battery yourself if you feel comfortable opening the case.
However, most people opt to have it replaced by an experienced technician.
Replace any newly installed components.
Did you recently install new RAM cards or a hard drive?
Send the laptop in for repairs.
The best option is toget your system fixedby a pro.
you’ve got the option to send it to the manufacturer for repair if yourlaptop is under warranty.
Like any electronic, laptops don’t live forever.
If you see an error alert on the screen, make a note of it.
The best approach is to systematicallytroubleshoot your HP systemto isolate the problem.
Surprisingly, a very common issue is a loose connection or a depleted battery.