What to do if your HDMI cable is not working?
Daniel Foster
Published May 07, 2026
What to do if your HDMI cable is not working?
We need to check the external device, reconnect the HDMI cable, try a different HDMI cable, or even try a different HDMI port to get to the bottom of the issue. Press the power button on the connected device. Verify that the connected device is actually powered on.
Why is the CPU onboard graphics HDMI disabled?
It’s possible the CPU onboard graphics HDMI output has been disabled. Tap/hold the Delete key or F8 key to enter the bios setup and check the ‘CPU onboard graphics multi-monitor’ setting under the Advanced/System Agent Configuration/Graphics Configuration menu. Enable this bios setting if necessary.
Why does my Yamaha HDMI not work anymore?
HDMI board died in August 2012. HDMI board died in August 2013, just got it back from repair this past Monday. Have to take it in again today because the on-screen menu is not functioning. Yamaha is not what it was in 2000 when I bought a RX-V800 that still works without fail.
Why are my HDMI ports on my Samsung TV not working?
Samsung TV HDMI ports are not working If you have connected a device to your Samsung TV like an Xbox, a Playstation 4, Blu-ray player, cable box, or Roku and it does not show up on the screen, you could be having an issue with the HDMI ports on your TV.
It’s possible the CPU onboard graphics HDMI output has been disabled. Tap/hold the Delete key or F8 key to enter the bios setup and check the ‘CPU onboard graphics multi-monitor’ setting under the Advanced/System Agent Configuration/Graphics Configuration menu. Enable this bios setting if necessary.
What to do if your HDMI is not working?
Before you start, unplug the cable from the HDMI port and insert it again to make sure both the cable and port are working well. Then follow the steps to check if the “display output settings” is incorrect. Right-click the desktop and select “Personalize”. Then choose “Display” from the lower left corner.
HDMI board died in August 2012. HDMI board died in August 2013, just got it back from repair this past Monday. Have to take it in again today because the on-screen menu is not functioning. Yamaha is not what it was in 2000 when I bought a RX-V800 that still works without fail.
Can you use HDMI on a broken motherboard?
Don’t throw away money on replacing the motherboard outright because of a broken HDMI port. The ports can be repaired or replaced by a computer repair shop near you but may cost you a bit of extra cash. Can I Use HDMI on My Motherboard?