Screen is in blank

[4YN63UA]

Screen is not coming it is in blank 

[asmita6658]

Hi @4YN63UA

Welcome to the HP Support Community. 

To better assist you - 

1) Is there a light on the keyboard when you press the power button? 

2) Were there any recent hardware or software changes made to the computer? 

While you respond to that, try a power reset - 

1) Shutdown the computer.

2) Unplug all the Adapter and peripherals connected.

3) Press and hold down the power button for 15 to 20 seconds.

4) Plug-in the Adapter.

5) Try to turn on the computer.

Also, try these steps - How to Fix an HP Laptop with a Black Screen? 

Hope this helps! Keep me posted. 

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Have a great day!