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Dock G2 not working after sleep

HP Recommended
ZBook Studio X360 G5 and G2 Dock
Microsoft Windows 10 (64-bit)

Windows does not seem to retart after sleeping.  Unplugging and replugging the docking station doens't help. The only solution appears to be hard restart.  


Happened only recently and  possibly after 2021-09 Cumulative update 21H1 (KB5005565) installation on Sep 16, There are no outstanding updates from Windows or from HP Support Assistance. Unable to system restore to prior to the 2021-09 Cumulative Update - ie I appear to have all available updates installed.


I have three monitors connected to the Dock as well as ethernet.  The ZBook is closed, so only three monitors in use. Opening the notebook screen doens't help either.  I use a Dell bluetooth miuti-device keyboard and mouse.


I know the G2 Docks have been problematic for some, but I've not had any major issues in two years.  But this issue is a real problem as I am restarting a number of times per day.


The Windows System log appears to pick up the unplugging and replugging of the dock (Kernel-Power event - power source change)), suggesting Windows is running.

There are two sysem log errors

  • The server AD2F1837.HPPowerManager_2.1.20.0_x64__v10z8vjag6ke6!App.AppXngas28faczgspv54wy50qqddq5r51rtw.mca did not register with DCOM within the required timeout.
  • The server AD2F1837.HPJumpStart_1.4.481.0_x86__v10z8vjag6ke6!App.AppXzsf06b8mcszwt1984bgexvdjfdbdaddg.mca did not register with DCOM within the required timeout.

which I believe may have occurred prior to the forced shutdown


it seem like something wrong with the dock, as did a short I test to see if I have the problem with the notebook screen and a second HDMI conncected, but everything seemed to wake up from sleep ok.


Any suggestions to resolve, work around, or narrow down the actual problem?  




I believe the issue is with the Dock, since if I use four screens (ie with the ZBook), the system will wake from sleep, but the three external monitors are 'disconnected' and all windows are displayed on the notebook.  The ethernet port is also lost. Unplugging and replugging the dock restores the external monitors, but not alway the ethernet.


Whilst I can now restart without have to hard reset - there's still a problem - any suggestions to resolve?  



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