Screen flashing / blacking-out when using Ultraslim Dock

[ewicks]

Hello,

I have an issue with my 2013 Ultraslim Docking station.

My laptop is an EliteBook 840 G3.

I have 2 DisplayPort connectors, to 2 displays that I run extended desktop on.

For 50% of the time, it works a treat.

But I have an issue where the displays both flicker to black randomly throughout the day.

Sometimes the displays lose the input signal altogether.

I have tried different monitors, different cables and another docking station of the same model.

I have tried using a combination of 1 x VGA and 1 x DisplayPort instead, but still I get the flickered issue.

The black flickered happens also if I have only 1 display connected through the dock, so it seems the issue is not related to having 2 displays connected.

The only thing I can do to prevent this is to bypass the dock altogether and have DisplayPort for 1 of the displays connected directly to my ElieBook 840 G3.

Any suggestions are helpful, it is frustrating having 2 displays but not able to use them together due to this annoyance!

[Joel_R]

Here is an advisory about your issue.  

https://support.hp.com/us-en/product/hp-elitebook-840-g3-notebook-pc/7815294/document/c05161985

I suggest you download the the latest FW update (2.33) as it contains he fix mentioned in 2.30 and additioanal fixes.

Read these instructions first

ftp://ftp.hp.com/pub/softpaq/sp79001-79500/sp79015.html

After you have read the instructions you can download the update using this link

ftp://ftp.hp.com/pub/softpaq/sp79001-79500/sp79015.exe

When you update your FW make sure you leave your monitors attached to the dock.

I also suggest you download the latest BIOS and video driver for your 840 G3.

Joel

[Fofo69]

is not working for me !