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Troubleshooting black screen issues on HP Notebooks: Click here to view the instructions!
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‎07-19-2022 02:32 PM

HP Recommended
Product: HP EliteBook 840 G8 Notebook PC (19X35AV)
Operating System: Microsoft Windows 11

I'm trying to setup my Elite USB-C Dock G4 and my computer shows my 2 displays but there is no pictures showing on them. When I go to settings my computer can't detect them. My display models are HP 22cwa thru HDMI and HP 24mh thru Display port. Sometimes I get a picture on the HP 22cwa. I've tried changing the resolution, firmware update and different cables. 

Category:
1 person had the same question
1 REPLY 1

‎07-19-2022 04:01 PM

HP Recommended

@JWOODS0403 

 

The HP USB-C® Dock G4 (discontinued) 3FF69AA, which is compatible with the following machines

 

  • HP ProBook 600 G4, 400 G5, G6
  • HP EliteBook 800 G5, 700 G5
  • HP EliteBook x360 1030 G6 & 1020 G2, G3, G4
  • HP EliteBook 1040 G4
  • ChromeBook x360
  • HP Elite x2 1012 G2
  • HP Elite x2 1013 G3, G4
  • HP Pro x2 612 G2
  • HP ChromeBook 13
  • HP Spectre Pro 13 G1 Notebook PC
  • HP EliteBook Folio G1; HP Elite x2 1012 G1

Your machine is an HP EliteBook 840 G8. Please use the following document to select a right dock for your machine.

 

                     https://www8.hp.com/h20195/v2/getpdf.aspx/c04168358

 

Regards.

BH
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