Good day, BadCaps Technician Team,
I hope this finds you well.
I am reaching out for assistance with a Dell G15 Ryzen Edition laptop that I am currently troubleshooting.
The laptop successfully posts on an external screen, but the main screen remains unresponsive. Below are the steps I have taken so far:
Despite these efforts, the main screen still does not post. I am unsure of the next steps to identify and resolve the issue.
To aid in the diagnosis, I have attached the schematic and board viewer files for reference.
Could you please advise on additional areas or components to check?
I am particularly curious if the issue might relate to:
I appreciate your expertise and guidance on this matter. If any additional details or measurements are required, please let me know.
Looking forward to your response.
I hope this finds you well.
I am reaching out for assistance with a Dell G15 Ryzen Edition laptop that I am currently troubleshooting.
The laptop successfully posts on an external screen, but the main screen remains unresponsive. Below are the steps I have taken so far:
- Ordered and replaced the LCD panel and LCD cable.
- Verified that the 19V power rail for the backlight is present.
Despite these efforts, the main screen still does not post. I am unsure of the next steps to identify and resolve the issue.
To aid in the diagnosis, I have attached the schematic and board viewer files for reference.
Could you please advise on additional areas or components to check?
I am particularly curious if the issue might relate to:
- The LCD connector on the motherboard, such as damaged pins or loose solder joints.
- A potential fault in the eDP circuit (embedded DisplayPort).
- Possible firmware or GPU-related issues.
I appreciate your expertise and guidance on this matter. If any additional details or measurements are required, please let me know.
Looking forward to your response.
Attached Files