Printer shows driver unavailable. HP officejet pro 6978

[SusanAS]

Printer shows drive unavailable. Have had both my computer n printer to Best Buy. They found out that the driver cannot be installed because it is outdated. But I can print from my phone and husbands tablet. Also my son can print from his laptop. So please help. Also I tried to print from a friends HP and it did not work. Please help. 
susanAS

[Kumar0307]

@SusanAS, Welcome to the HP Support Community! I’m here to help.

I understand you are not able to print from your computer. I believe it is a Win 10 PC. As you are able to print from your phone, it means that the printer hardware is working fine.

Install the printer using the TCP/IP port:

Check for any pending Windows updates first.

1. On the PC, go to Control panel > Devices and printers > Remove the existing printer entry > click on Add a printer(at the top) 
2. Under 'Choose a device or printer', click on 'The printer I want isn't listed'.
3. Select 'Add a printer using a TCP/IP address'
4. Find the IP address of the printer by tapping on the wireless/ethernet icon on the printer screen
5. Type in the 'IP address in Hostname or IP address' box, click next
6. Proceed to the next steps by following the on-screen instructions.

Try printing.

Hope this helps! Keep me posted. 

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Have a great day!