Laptop not starting

[Bonnie94]

My laptop has decide to stop working, it's coming up with a black screen saying, boot device not found, please install an operating system on you hard disk, for more information visit www.hp.com/go/techcenter/startup

ive been on this website a few times and tried many different options nothing is working, please help.

[Chimney_83]

Greetings @Bonnie94, 

Welcome to HP Forums and Thanks for the post. 

I understand that your computer is not booting and you are getting a "Boot device not found" message, is that right?

Not to worry, I will be glad to assist you. 

Kudos to you for trying to troubleshoot the issue on your own.

May I know the exact product number of your computer? Click here. Please do not share the serial number of your computer.

Have you run a diagnostics on your computer?

Please try the steps suggested in this HP Article to resolve the issue you are facing. 

If the issue persists, please contact our phone support team to check on the service options available for your computer. 

Let me know how it goes.