the touch screen has gone white

[WildEats]

OfficeJet Pro 8740 broken screen

[VikramTheGreat]

Hi @WildEats,

Welcome to the HP Support Community.
 

Thank you for posting your query. I will be glad to help you.

Thank you for sharing the details. A white or blank touchscreen on your HP OfficeJet Pro 8740 usually means the display hardware or the firmware controlling it has failed. Here’s what you can do:

Step 1: Power Reset

• Turn off the printer and unplug the power cord from the wall.
• Wait 60 seconds, then plug it back in and turn it on.
• Check if the screen responds.

Step 2: Firmware Recovery (Blind Update)

Even if the screen is blank, the printer might still accept a firmware update:

• Download the latest firmware for your printer from HP:
  👉 HP OfficeJet Pro 8740 All-in-One Printer series | HP® Support
• Connect the printer to your Mac via USB.
• Run the firmware update tool and follow the prompts.

Step 3: Use Embedded Web Server (EWS)

If the printer is still connected to your network:

• Find its IP address from your router.
• Enter the IP in a browser to access the printer’s settings.
• From there, you can check the status or update firmware.

Step 4: Hardware Check

If the screen stays white after a reset and firmware update:

• The touchscreen assembly or logic board has likely failed.
• This requires HP service or a replacement part.

I hope this helps.

Take care and have an amazing day!
 

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Regards,

VikramTheGreat