The dv6 does not support M.2 NVMe drives. Stick with 2.5-inch SATA.
If you installed a blank drive:
Before you spend money, let’s confirm the drive is the culprit. Symptoms of a failing/failed drive in a dv6 include: hp pavilion dv6 hard drive replacement
: If you want to keep your old files and OS, use cloning software (like Macrium Reflect or EaseUS Todo Backup ) before removing the old drive. The dv6 does not support M