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Only1/3 HDMI ports work on my desktop computer

HP OMEN 870-003na
Microsoft Windows 10 (64-bit)

Only the blank port out of my PC works. HDMI ports labled as"1" and "2" do not work. Why? I need to set up multiple moniters.

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Only1/3 HDMI ports work on my desktop computer

Hello Lozz1

 

According to the specs, you only have one HDMI slot available. The reason is because you have a discrete graphics card installed - AMD Radeon R9 390X. Built into the card are 2-DVI ports, 1-display port and 1-HDMI port.

 

The 2 other HDMI ports are wired into the motherboard and will only utilize the intergrated graphics of the i5 CPU.

If a discrete video card is installed, the intergrated graphics are disabled. They cannot run simultaneously.

io ports omen.jpg

 

The best way to get a 2nd HDMI port is to use an adapter for one of the DVI ports on the AMD card to convert to HDMI.

They are very inexpensive online.

NOTE: a DVI to HDMI adapter will only provide Video signal, not audio.

 

 

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