HP Printer drivers are significant for the proper functioning of the printer and the proper connection between the computer and the printer. If you are getting ‘hp printer driver is unavailable’ message on your computer screen then it may arise due to one of the following reasons- 1. The printer driver you installed might not be compatible with your system 2. The printer in your computer is outdated 3. A new version of the printer driver is available for download. 4. Corrupt files in the system Check for all the possible reasons and update the printer driver immediately from the official website to remove the compatibility issue