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04-07-2021 03:55 PM
I've been running my laptop HP Elitebook X360 through my HP USB-C Dock G5 with 3 external monitors connected for a year now, but today the external monitors stopped being detected while HP was installing an update. All screens turned black (no signal output). After installation they still didn't work. I have tried restarting, unplugging and restarting everything again. Uninstalling and then reinstalling the latest updates, but nothing helps.
I don't know what to do next? Any ideas / suggestions I can try?
04-08-2021 11:40 AM
I dont know what update was installed so I cant really say, but I would try reverting Windows back via a Restore Point prior to when this update was first installed. Usually it works, not sure if the update actually altered the HP Dock though.
How to use a restore point... https://support.hp.com/hk-en/document/c03327545
Hope it helps.
04-08-2021 02:39 PM
Thanks for your advise! I have been in contact with HP helpdesk and they have solved the problem. Apparently the problem was caused by a bios update which wasn't performed correctly. So, I updated the bios again and now all external monitors are working again.
04-08-2021 03:55 PM
A bios update failed? You got lucky sounds like. If it really went south, it would have bricked your laptop.
Glad its working now.
PS: Maybe you might want to consider creating Image backups to an external drive in case something does fail again?
Aomei or Macrium are a couple of popular programs that are free for that.