Hmm, okay. But would it be possible to reball or even solder on a new CPU? I’ve seen people do GPU core reballs and similar stuff. Also, sorry if this is a dumb question, but is the PCH integrated into these Ryzen CPUs? And if I understand correctly, SIO and S3/S4 refer to power rails? Apologies again for the beginner questions — I’m still trying to learn the terminology.

Thank you! Here are the photos. The red markings indicate the approximate area of contact with the wire. Although I smelled something burning, I couldn't identify any visibly damaged components.
PS I have the boardview files if needed. Please help ...

Hello,

I have a Lenovo Legion 7 with the following specs:

• RTX 3080
• Ryzen 9 5900HX

A problem started suddenly overnight. The next morning, the laptop wouldn't boot properly — the RGB lighting on keyboard turned on, fans spun for a brief moment, but the screen remained black, and the Caps Lock key didn't respond (no indicator light).
When running on battery power, the laptop would stay in this state for about 35 seconds before automatically shutting off. When plugged into AC power, it would keep restarting every 35 seconds. Holding the power button would shut it down, but...

Hi, I'm new to electronics repair and eager to gain knowledge and hands-on experience.

Hi, I'm new to electronics repair and eager to gain knowledge and hands-on experience.