Windows 10: Random BSOD on Acer Nitro 5 an515-54

Greetings! I'm experiencing randomly occurring BSOD. There's no trend, it seems quite random indeed. I'ts been happening for the last 2 years and I'm not sure how to proceed anymore, as i've tried updating drivers, deactivating drivers, windows image repair, etc. Any help would be much appreciated. I've created a link with the last 5 minidumps, which can be accessed through the following link: https://drive.google.com/file/d/1AG5KEmCMkJul8YinDAHXF8sN_p0dhM6Q/view?usp=sharingThe last bugcheck analysis rendered the following :SYSTEM_SERVICE_EXCEPTION 3b An exception happened while executing a

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Acer Nitro 5 AN515-55 Boot mode

Hello, when i was trying to fix boot mode to unlock, but i can't unlock because still gray...

Is there possible to fix it ? because i want to install Windows 7 on Acer nitro 5 AN515-55

 

Acer Nitro 5 AN515-51 laptop display bit depth (6 bit?)

So I'm trying to find out about the bit depth of this laptop's display.

Since this is an IPS display and not a TN one, I was expecting 8 bit depth. But when I checked the settings I got this:





But in the meantime, when I'm searching for the display modes, I get this:





Can anyone tell me what's up with this display? Is it 6 bit indeed?

 

Refurbished Acer Nitro 5 AN515-5 random BSOD at desktop/doing nothing.

I've had this laptop a couple of months, it's got a i5-7300, 8GB ram (single stick), 1050Ti 4GB GPU. It's been randomly BSODing at the desktop for no apparent reason. I even did a reset to go back to stock, and within 5 mins, it did a BSOD. Only thing I added was a 2TB Firecuda SSD/HD drive.

AN515-51 is the particular model. I've tried contacting Acer recert support by sending multiple messages to no avail.