Windows 10: HP Windows 11 not detecting second monitor TV

Hi! For a few days I've been trying to connect my TV a slightly older JVC to my laptop HP, specs below to use as a second monitor. I've done this before using a HDMI cable with an old laptop I had, but this time it isn't working. I know the TV is old, but I'm at a bit of a loss! I have tried connecting the two via HDMI cable and a VGA to HDMI cable and neither work. On the display settings on my laptop, it never detects a second monitor. My graphics drivers and Windows are completely up to date too. I'm wondering if it may be a compatibility issue with my newer laptop? But having done this

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windows 11 cannot detect my second monitor

Windows 11 cannot detect my second monitor. Help. I did all the suggested troubleshooting steps but nothing seems to work.

 

Second monitor (TV) is plugged in, detected by Windows, but no signal

Today I purchased a DP -> HDMI cable to hook up from my PC’s NVIDIA GEFORCE RTX 2060 Super to a Toshiba 50LF621U19 Amazon Fire TV. DP end in the graphics card, HDMI end on the side of the TV, and alas, no signal.

Windows still detects the TV and interprets that a second monitor is present - the mouse can move to the second unviewable screen and do what it wants, and be brought back to the main monitor. Display settings allow me to tweak all the settings for the TV
display but none of them make a signal appear.

Cable isn’t an issue - connects to other screens and displays them just fine. Computer shouldn’t be an issue either if it detects the TV and lets me configure the display that isn’t appearing. Computers have been able to connect to this TV just fine in the
past, but now this one is having issues.

I’ve snooped around quite a few threads on the internet and found little to help my case here. Any suggestions?

The main monitor is an ASUS VP249QGR, 1080p @ 144Hz by the way.

 

Windows 11 Not Detecting Second Monitor

Windows 11 Not Detecting Second Monitor