You may need to open up your computer to check if the connection inside is well connected or not.
Hp desktop power button not working.
This is not a very common point of failure but your pc might not be turning on because the power button isn t properly connected to the motherboard.
To clarify when i press the power button the computer does not turn on as in.
I understand that the power button is not functioning need not worry i ll be glad to assist you.
Remove the cmos battery.
I ve always been mad i know i ve been mad like the most of us.
The spare part number for the board is also on this page you may be able to test that the button is ok by using an ohmmeter to check.
If the notebook is still in warranty you could have it repaired or replaced but as long as its not causing you any serious issues i wouldn t worry too much with it.
With the battery in and the power adapter connected there is no light on the power button keyboard and charger port.
Same result if i have just the battery and no adapter or no battery and with adapter.
Do nothing sleep hibernate shut down or turn off the display.
Press the cmos reset switch for at least 30 seconds without letting go.
Hp desktop pcs managing power options windows 10 working with windows power plans.
You can assign the power button to do one of the following.
Scroll to p 71 to view the pre requisite steps and then the procedure to remove the power button board.
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There is a small button usually yellow or red on the motherboard usually near the cmos battery.
This is a great place to get support find answers to your technical queries.
Make sure the power switch is connected to the motherboard if you re using a desktop.
If this is not possible you can omit this one step however preferable if removed.
Press the power button and see if your computer turns on.
This is your cmos reset switch.
Put the cmos battery back in.
The adapter does not feel warm either.
Power button not working on the pc.
Check the power button trace the leads to the motherboard remove the connector and short the 2 pins together if the pc starts then you need to replace the switch.
Any opened programs or documents stay open allowing you to quickly resume your work when you return to the computer.
If the light on the key is not lighting up then more than likely the led is just out for your power button.
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Hi prantik1994 welcome to hp support forums best platform for all sorts of solutions tips and tweaks to your questions issues.
Hi here s a link to the service manual for your laptop.