my computer cannot start

[melih-_6161]

When I start my computer, it shuts down after 2 3 seconds. And can't start

[Elohi_NR]

Hi @melih-_6161,

Welcome to the HP Support Community. 

I'd like to help!

Try the below steps and see if that helps. If not this unit may need service. 

POWER DRAIN:

Please disconnect all the devices and cables connected to your computer including the power cable and then press and hold the power button for about 20 seconds and connect the power cable back again and try to power on the computer.

CBR:

Press windows key and then followed by the key "B" this time and then the power button for around 3-4 seconds, then release the power button and continue to hold windows+B for 3-4 seconds more.

I've sent you a private message with further instructions. In order to access your private messages, click the private message icon on the upper right corner of your HP Support Community profile, next to your profile Name or simply click on this link.

Hope this helps! Keep me posted for further assistance.
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