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Thunderbolt 3 PCIe AiC - Connection Problems

HP Recommended
HP Z4 G4
Microsoft Windows 10 (64-bit)

We purchased HP Z4 G4 with Thunderbolt 3 PCIe AiC. The Thunderbolt 3 card is not being detected always – sometimes it appears and sometimes it does not.

 

We followed all of the official instructions about the installation of the card - Win update, BIOS update (01.83 Rev.A), drivers update (17.4.76.300 Rev.A).

 

We tested the Thunderbolt 3 PCIe AiC with UltraFine 5K monitor. After several shut down and restarts, there was a connection. Then we restarted the Z4 G4 again and the connection was lost. We had to plug in and out the TB3 cable a couple of times and then the TB3 PCIe AiC appeared again and hence we had connection. After unplugging the TB3 cable the TB3 card seems to disappear from Device Manager.  

 

We need your urgent assistance on how to fix this matter, as without stable functioning TB3 connection, the Z4 G4 is useless for the purpose it was purchased.

 

Below is the full configuration of the Workstation.

 

HP Z4 G4 WKS

Single unit (TWR) Packaging

HP Z4 G4 90 750W Chassis

Windows 10 Pro 64 Workstations EURO

Operating System Load to M.2

Intel Xeon W-2125 4.0 2666MHz 8.25 4C CPU

32GB (2x16GB) DDR4 2666 DIMM ECC Registered Memory

AMD Radeon Pro WX 7100 8GB (4)DP GFX

HP Z Turbo Drive M.2 512GB TLC SED SSD

6TB 7200RPM SATA 3.5in Enterprise

6TB 7200RPM SATA 3.5in Enterprise 2nd

USB Business Slim Wired Keyboard EURO

HP Optical Wired Mouse USB

9.5mm DVD-Writer 1st ODD

Base FIO 4xUSB3 TypeA

Intel Ethernet I210-T1 PCIe x1 Gb NIC

HP Remote Graphics Software (RGS) for Z

3/3/3 (material/labor/onsite) Warranty EURO

HP Z4 G4 Fan and Front Card Guide Kit

HP Dual Port Thunderbolt 3 PCIe AiC

No Adapters Needed

HP Z4 G4 Country Kit EURO

HP Z4 Std CPU Cooling Solution

HP Packaging Tag Service w/SN and MAC1 and MAC2 and UUID details

HP Packaging Tag SN+MAC1+MAC2+UUID SVC

Door/dock delivery workstations ZD081AA

 

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