red & blue dotted screen

My laptop Lenovo IdeaPad Slim 3 15ADA05 is freezing with red blue green pixels on screen even when i am not doing anything on it. Sometimes i even get these blue screen errors: "Kernel security check failure" and "System exception failure" My specs are Windows 10 home Ryzen 3 3250u Vega 3 iGpu...

I got the Acer monitor which is XV272U and I get sometimes the red dot but its a very very tiny. sometimes it disappear but it comes back again on the same place I believe. what do u think guys its a GPU or monitor and is there a way to get rid of that dot without any technical job ?. thank u in...

I have always had this issue with my AT&T phones because I use Cricket. I use Cricket because it's cheap and I can use it on my AT&T phones. Simple enough, but there's one drawback: I have never been able to update the software. My last phone was a Nexus 6P, and I never had this issue because it...