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Why do my laptop freeze on boot before post screen, only logo screen appears?

Yesterday i was working on my laptop, and suddenly blue screen happened. I waited, until it restarted, but when it tried to boot again it gets frozen as soon as the Lenovo screen appears. I have searched myself to solve the problem, but no luck. When i restart it gets stuck on LENOVO screen again. (meaning the very first screen before posting)

Specs:
Windows 10 64 bit,
model name: 80E5,
Lenovo G50-80,
8 GB ram DDR3,
Core i5 intel processor,
1 TB HDD

This is what i have done so far:

I tried to install a new windows, using a USB, but cannot get past, or atleast the LENOVO screen.
I tried to use the LENOVO troubleshoot button on the left of the laptop, but this only reboots it.
I cannot enter BIOS as far as i know, i have tried pressing all F’s (F1 to F12), also as soon as it boots (some people have suggested this on other websites).
I cannot enter safe mode or repair mode.
I tried to remove the battery, and only using the cable.
I cannot check if it is RAM, since i only have 1 block inside.
Finally i tried to open it up and see if there was any visible hardware failures, but none visible.

Is there anything i can do to save my laptop?

Thank you.

Lenovo screen ,
Inside the laptop ,
Other specs