Black Screen no chime

After being on the computer in the morning, I left the computer and returned after some time to a black screen. . After trying a restart, I only noticed a black screen and no chime. At first I couldn't find LEDs, but I tried multiple resolutions of others like SMC and PRAM reset, removing all 4 RAM chips and reseating one at a time. I actually tried 2 RAM chips at a time in between restarting. I also opened up and removed/reinstalled the LCD screen to check connections. Nothing has changed. I finally did see some LEDs on (2) in a dark room. These were difficult to see through the bottom vent type holes left of the RAM cover.

I am not sure what to do next and could use some advice. Thanks

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