How to Fix MB SD Connect C4 HDD error “Internal Fault Diagnosis Multiplexer Code 10766”

500G HDD is compatible with MB Star SD C4 Plus/ MB SD Connect C5, has two versions: WIN7 & WIN10 for choice. How to solve if the Mercedes Benz diagnostic software detects that there’s a problem with the connection?

Issue:
Internal fault, Diagnosis multiplexer, Code: 10766


Solution:

1. In the system files, find Hyper-V Manger in windows administrative tools, then click it.

2. Click Virtual Switch Manager >> Ether, choose your computer Network card here.

3. Right click on the Network, open Network & Internet settings.

4. Click Ethernet >> Change adaptor options >> Right click vEtherent >> Properties >> Double click Internet Protocol Version 4(TCP/IPv4) >> Select Use the following IP address, enter the IP address.
   Set IP address as following
   IP address: 172.29.127.124
   Subnet mask: 255.255.0.0

Done!

Hope this is helpful.