Below is the failure report generated by the code you posted, minus your notebook's serial number.
Failure ID Tag Checksum HP Serial Number Test Date Failure Code Device Includes Error Message
9K3SM3-77MAGA-MFPV7G-60XK03 | OK | XXXXXXXXXX | 1/10/21 | 303 | Storage | Floppy Drive, Hard Drive, Memory Drive, Optical Drive, SCSI, Tape Drive | Hard Disk 1 Quick Test Failure |
You will need to install a new hard drive and reinstall the operating system.
Below is the link to the service manual, where you can find the hard drive removal and replacement procedure.
c04402649 (hp.com)
You may want to consider replacing the 2.5" mechanical hard drive with a better performing 2.5" solid state drive.
After you replace the drive, you can reinstall W8.1 for free by making bootable installation media from the link below.
Download Windows 8.1 Disc Image (ISO File) (microsoft.com)
Download the plain W8.1 64 bit ISO file.
Use the Microsoft tool that I zipped up and attached below that you will need to transfer the ISO file to a DVD or USN flash drive so that it is bootable, or you can use a different free utility such as Rufus.
After W8.1 has completed installing, you can install the drivers and available software from your notebook's support page.
HP Pavilion 15-p084no Notebook PC (ENERGY STAR) Software and Driver Downloads | HP® Customer Support