Looking for exact MSI GTX 980M 8GB VBIOS (Subsystem ID 1462:1157) – HDMI not working on GT72S 6QE

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Hello everyone,

I own an MSI GT72S 6QE Dominator Pro G.

I recently replaced the original GPU with an MSI GTX 980M MXM 8GB module.
The GPU works correctly:
- Internal display works fine
- NVIDIA drivers install without errors
- No error 43 or device issues in Device Manager

However, external video outputs (HDMI and mini DisplayPort) are NOT detected at all.
They do not appear in Windows Display Settings or in the NVIDIA Control Panel.

Using NVFlash, I verified my GPU details:

- GPU: NVIDIA GTX 980M 8GB MXM
- Device ID: 10DE:13D7
- Subsystem ID: 1462:1157 (MSI)

I tried several MSI GTX 980M VBIOS files available on TechPowerUp, but none match my exact Subsystem ID.
NVFlash reports PCI Subsystem ID mismatch and I did NOT force the flash.

From what I understand, this issue is caused by an incompatible or non-MSI VBIOS, which prevents HDMI/DP output initialization on this model.

I am therefore looking for:
- The original MSI VBIOS for GTX 980M MXM 8GB
- Specifically with Subsystem ID 1462:1157
- Used on MSI GT72 / GT72S series

If anyone owns the same model and GPU, or can provide a VBIOS dump from a working system, I would greatly appreciate it.

Thank you very much in advance for any help.