Windows 10: Frequent overheating and BSOD crashes on my Inspiron 15 7559

I got this Dell computer as a study/game computer with impressive specs, i7, GTX 960M GPU, 128GB SSD, 1TB HDD, 4K display, and it works fine until 2020 when it started to overheat and shut down randomly. I opened it up and clean out the dust from the chassis and the fans and put it back together and it works for a while and then the same thing happened and worse, it won't shutdown after being overheated, had to let the battery dies before it would shut down. I open it up again, and remove the heatsink and reapply the thermal paste on both the CPU and GPU and that does help keep it from overhea

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taskbar icons and dialogue boxes are unreadable in inspiron 15 7559


hi,
I recently bought an laptop inspiron 15 ( 7559) withe the following configuration.
processor: 6th gen i7
display: 4k
graphics: nvidia gtx 960
Os: windows 10

the problem is the icons and dialogue boxes are very small and impossible to read.
i am not able to change the sizes. It occors in almost all applications.
i tried resetting the pc, changing OS but the problem still exist.
Please do help me find the solution for this issue
i am attaching snap shots for reference.

 

Overheating issue in Inspiron 5518

My Inspiron 5518 model is having an overheating issue during 15-30 mins of casual gaming. The manufacturer has provided several troubleshooting steps ,yet the problem is not solved. I requested them not to update drivers frequently as there may be a software issue causing the laptop to overheat. in a short span of time. I request you to assist me on this matter.

 

Touchpad lagging - Signature Edition Dell Inspiron 15 7559

I'm getting major lagging when using my touchpad on my brand new Dell Inspiron 15 7559 Signature Edition I purchased from the Microsoft Store (online). The lagging almost always happens on the desktop, but not (mostly) on an open window. The lagging is
serious. I can draw circles on the touchpad and it takes 4-5 seconds for the cursor to catch up. Light, medium, heavy pressure all the same.

The Signature Edition is supposed to include the latest drivers and be free of bloatware...but I'll probably need to install Dell's support assistant to run a check.

I am not having luck with settings and have no idea how to proceed. Very frustrated