Installation guide

6. Troubleshooting
6. TROUBLESHOOTING
6.1 Troublesh ooting list
Problem solving
Locate the problem you are experiencing in the table below and apply the solution.
Problem
Cause Solution
Quality of the image on the meeting room
display is not satisfactory
The quality o r length of the cable between
the Base Unit and the display or the
connection between these two.
• Replace the cable.
• Use another cable.
Bad resolution of the display
The system can handle the average laptop
resolution of 3 Megapixel. Howe ver, up or
down s caling on the meeting room display
can cause visible artefacts.
Change the resolution on the web interface
and m atch it to t he native resolution of the
meeting room display.
Users have a bad wireless connection.
The c onnection from the B utton to the
Base Unit keeps falling away.
Wireless congestion
• Use a W iFi s canner to find a free
wireless channel and s elect it via
the web interface. You can use
commercial as well as free online
tools suc h as inSSIDer or Xirrus for
this. Refer to “Changing a dvanced
ClickShare settings”.
Low signal strength
• PuttheBaseUnitclosertothe
meeting room table.
• Change the o rientation of the
antennae at the back of the Bas e
Unit.
• Remove or lim it as much as possible
all obstructions between the Buttons
and the Base Unit.
Web interface is not accessible Browser
• Use ano ther browser (version).
• Check the browser settings.
No connection There are three methods to access the
web interface. Refer to the corresponding
chapter of the doc umentation.
Users do not g et a ClickShare drive when
inserting the Button in their laptop.
No automatic refresh of drives Refresh y our v iew on the laptop.
Bad connection a t USB port on the laptop
• Reconnect to the USB port.
• Try another USB port.
• Reboot the laptop.
• Some t ypes o f USB devices m ight be
blocked as a company policy.
• USB port settings on the laptop might
limit the usage of high power USB
devices when on battery p ower.
If possible, change the USB por t policy on
the laptop.
Low video performance Laptop performance
• Lower the screen r esolution of the
laptop.
• Disable the hardware acceleration for
video.
• Use only a part of the display to show
the video.
Wireless connectivity See “U sers have bad connectivity”
Video is not shown on screen Player uses overlays Disable the usage of overlays in the
preferences of the video player.
Some programs of Windows are not s hown
on the display
Use of overlays, 3D or hardware
acceleration in the GPU
Disable overlays or h ardware acceleration
in the GPU.
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