My LG 20M38H-B Monitor can not work with HDMI cable with my PC but work VGA port Properly.
You can connect a CATV cable into a computer monitor by first attaching it to an external TV tuner. A VGA or HDMI output can then be attached to the monitor.
Use an adapter which would connect to the monitor and PS4. Old monitors usually have a VGA port. Look for a HDMI to VGA cable
Get a monitor with an HDMI or analog input and connect it to a cable TV tuner.
To connect a PS4 to a cable box, use an HDMI cable. First, connect one end of the HDMI cable to the HDMI OUT port on the PS4 and the other end to an available HDMI IN port on the cable box. Then, connect another HDMI cable from the HDMI OUT port on the cable box to the HDMI IN port on your TV. Ensure the TV is set to the correct HDMI input to see the PS4 display.
Try a HDMI cable for your monitor and connect the Xbox/PS3( I'm not sure if this works for PS3 ) to the monitor with the HDMI cable.
An HDMI cable connection will not work on an HP monitor if the cable or monitor are damaged. Trying a new cable or hooking it to a different device can help narrow down the problem.
HDMI cables are for the PS3
Use hdmi
Your home theatre system will need both an HDMI input and output. Most all-in-one systems have no HDMI input. Connect the output of the laptop to HDMI input of the receiver. Connect the HDMI monitor output on the receiver to the TV.
To connect your Dell monitor to your laptop, first identify the available ports on both devices, such as HDMI, DisplayPort, USB-C, or VGA. Use a compatible cable to connect the two; for example, an HDMI cable if both devices support HDMI. Once connected, turn on the monitor and your laptop, then adjust the display settings on your laptop to extend or duplicate the screen as desired. You can typically find these settings in the "Display" section of your laptop's control panel or settings menu.
To connect the PS3 to a HDTV you need an HDMI cable if your HDTV has an HDMI connection, if it doesn't you need a PS3 component cable.
You would need a hdmi cable, and a hdmi capable monitor.