• ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
  • ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
Guidelines
Here is the solution for the error: "Encryption Credentials have expired" when attempting to print or scan from Mac OS or iOS devices: Click here to view the troubleshooting steps!
Check some of the most frequent questions about Instant Ink: HP INSTANT INK, HP+ PLANS: INK AND TONER.


Check out our WINDOWS 11 Support Center info about: OPTIMIZATION, KNOWN ISSUES, FAQs AND MORE.
HP Recommended
HP Color Laser Jet Pro MFP m281fdw
Microsoft Windows 10 (64-bit)

Due to printer errors, I had to uninstall my printer.  I have downloaded and installed all the necessary drivers and software (I think), but am getting a "Printer driver unavailable" error and can't print.  I have to meet a deadline WEDNESDAY so need this fixed ASAP!  Can anyone help me?!!?

1 REPLY 1
HP Recommended

I wish to connect my HP Photosmart C4780 to Windows 10. I cannot find the instillation CD and cannot connect. Sheila

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.