That light usually stays lit if your motherboard is having a hard time detecting your Video card. It could be the card or it could be the PCIE connector. I would start by cleaning the contacts of your Video card and the PCIE slot with isopropyl alcohol.
02/10/22
either gpu broken or mainboard
02/10/22
Cap here, studied computer science. Have you tried a restart?
02/10/22
FIRST STEP is CLEAN IT by blowing it out with air and removing ALL dust
02/10/22
Some aqua minerale on the Mainboard does wonders
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Disconnect Remove VGA card Clean VGA card Vacuum the PCI slot of the VGA Set the VGA back Start up If same thing happens corner pc repair store to find what is gone with the wind.
02/10/22
Check your GPU connectors and GPU itself...
02/10/22
New pc?
02/10/22
If you need more information ask here:
02/10/22