Windows 10: HDMI stopped working on HP Elitebook 840

Discus and support HDMI stopped working on HP Elitebook 840 in Windows 10 Software and Apps to solve the problem; Product number: J0X23AV Serial number: 5CG5044762 It was working fine 2 days ago.I bought new DP adaptors, I even tried a new USB - HDMI adaptor. I... Discussion in 'Windows 10 Software and Apps' started by Justin Clark3, Mar 28, 2025.

  1. JUSTIN CLARK3
    Justin Clark3 Win User

    HDMI stopped working on HP Elitebook 840


    Product number: J0X23AV Serial number: 5CG5044762 It was working fine 2 days ago.I bought new DP adaptors, I even tried a new USB - HDMI adaptor. I uninstalled the display driver and restarted. I tried different cables, laptops, and second screens - they all work, except my HP. I downloaded HP Support Assistant, but the virtual assistant is worse than useless. It directed me to a page to update the graphics drivers, but there are no drivers there; just YT Videos. I ran the SFC Scan and the other bits that always follow that advice yesterday.I checked for recently installed apps and they are Mi

    :)
     
    Justin Clark3, Mar 28, 2025
    #1
  2. DOLPHINO ABE
    dolphino abe Win User

    My HP EliteBook 840 g3 notebook didn't operate cellular network

    my hp EliteBook 840 g3 notebook didn't operate cellular network

    * Changed to a question

    * Original title: my laptop is elitebook 840 g3 notebook
     
    dolphino abe, Mar 28, 2025
    #2
  3. USMAN ADEPOJU
    Usman Adepoju Win User
    how to use sim card on my hp elitebook 840 g3

    pls, can someone help me on how to use sim card on my hp elitebook 840 g3 windows 11 core i5, I have read a lot of posts on it but not working...
     
    Usman Adepoju, Mar 28, 2025
    #3
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HDMI stopped working on HP Elitebook 840

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