Technical Support Lenovo Legion 5 15ACH6H boot problem

[Kema]

Hi friends,
I have a big problem with Lenovo Legion 5 15ach6h, MB Hy660 (661 ...) NM-D562 Rev 2.0.
Originally, the defective EDP cable found, also a defective LCD panel. After the replacement, the image goes to the BIOS, but it is not possible to boot the system, or install the system, always falls, or restarts directly. Occasionally different BSOD (attached in the attachment).
So far tested:

• RAM exchange
• disconnecting all peripherals
• Disconnect the battery
• I have another with a different defect, so the swap of KBC
• Another nvme disk, test in the second M.2

No change.

Any suggestion, what else to try, or where could there be a problem?

 

[Ahmad Safari]

First, check without the parts that you replaced, such as the LCD and the LCD. Through the VGA output.
If there is no change, we will realize that the problem has nothing to do with the parts you selected.
Be sure to check the BIOS settings
Failure of ICs on the motherboard, such as sound and network ICs, can also cause this problem.
In the worst case, there is a problem in the CPU and chip