Ask Lenovo ThinkPad T15 Gen 1 NM-C931 – BIOS/CSME rebuild request

[roxdeguzman]

Hello,

Please help rebuild/repair this original 32 MB BIOS dump.

Model: Lenovo ThinkPad T15 Gen 1
Machine type: 20S60037AU
Motherboard: NM-C931 Rev 1.0
FRU: 5B20Z45913
CPU: Intel Core i5-10210U
Memory: 16 GB onboard RAM
Graphics: Intel UHD/UMA

Fault:

• One beep when powered on
• Fan spins briefly and stops
• Power indicator turns on
• No display and no POST
• Fn key cannot replay the SmartBeep code

Work completed:

• Main battery and CMOS battery disconnected
• Mainboard fully discharged/reset
• Two original 32 MB BIOS reads were taken and both matched
• BIOS region was replaced using a known-good NM-C931 donor, but the fault remained unchanged

Please clean/rebuild the Intel CSME/ME, BIOS and NVRAM while preserving the original serial number, UUID, machine type, Windows key, MAC address and Lenovo-specific information.

Original dump attached.

Thank you.

 

[shiyabshiyab]

Hello,

Please help rebuild/repair this original 32 MB BIOS dump.

Model: Lenovo ThinkPad T15 Gen 1
Machine type: 20S60037AU
Motherboard: NM-C931 Rev 1.0
FRU: 5B20Z45913
CPU: Intel Core i5-10210U
Memory: 16 GB onboard RAM
Graphics: Intel UHD/UMA

Fault:

• One beep when powered on
• Fan spins briefly and stops
• Power indicator turns on
• No display and no POST
• Fn key cannot replay the SmartBeep code

Work completed:

• Main battery and CMOS battery disconnected
• Mainboard fully discharged/reset
• Two original 32 MB BIOS reads were taken and both matched
• BIOS region was replaced using a known-good NM-C931 donor, but the fault remained unchanged

Please clean/rebuild the Intel CSME/ME, BIOS and NVRAM while preserving the original serial number, UUID, machine type, Windows key, MAC address and Lenovo-specific information.

Original dump attached.

Thank you.

POST SNID

 

[roxdeguzman]

SNID/SN: PF1AHJ35
MTM: 20S60037AU

 

[shiyabshiyab]

SNID/SN: PF1AHJ35
MTM: 20S60037AU