Boot is not found

[Cd00-53tx]

Boot device not found

[Riddle_Decipher]

@Cd00-53tx 

Welcome to HP Community!

Please follow the below steps to identify and resolve this concern:

Step 1: Perform a hard reset

HP Notebook PCs - Performing a Hard Reset or Forced Reset

Step 2: Restore BIOS default settings

Step 3: Test the hard drive using HP PC Hardware Diagnostics UEFI (In your case, Skip to Step 4)

Step 4: Re-seat the hard drive (here's a generic video that shows how to re-seat the drive: Click here) > 3F0 error represent a hardware malfunction, a reseat should help, if it doesn't or you aren't comfortable, please Contact HP as the next step will not help.

Step 5: Perform an HP System Recovery

If none of the above actions resolved the error condition, back up your personal data and then perform an HP System Recovery on the notebook. See one of the following documents for instructions:

Click here for instructions.

FOR DETAILS & FURTHER INSTRUCTIONS, USE THIS LINK: CLICK HERE

(By the end of this article all the issues should be resolved)

Keep us posted,

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Give us a virtual high-five by clicking the 'Thumbs Up' icon below, followed by clicking on the "Accept as solution" on this post, 

Have a great day!