my hp pavilion laptop has a new battery and charger, keep getting a blank screen and caps flashing

[woollyone]

Hi All, my laptop has a blank screen and 5:3 caps lock flashing. Can someone please help?

[Riddle_Decipher]

@woollyone Greetings from the HP Community!

Note: Please ensure the complete product name/number for a quicker response from the community, as we need to know what we are dealing with to provide an accurate solution: 

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Meanwhile, here's what you need to know:

Note that specific patterns of long and short blinks along with long and short beeps (where applicable) identify errors during the startup process.
Newer computers have two-part blink sequences with different color lights to indicate specific errors and you may click here and troubleshoot on your own.

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