Screen Blurred After Resolution Is Changed - Cisco 340 Series Configuration Manual

Network Issues
If both the power and connection are fine, use the console port to trouble shoot. Log in to the system
Step 3
with root permission. Enter the DISPLAY:=0.0 xrandr command to check if the monitor is detected by
the Cisco Edge 340 Series device.
Note If the issue is not resolved, reimage the device.

Screen Blurred After Resolution is Changed

If you find the screen is blurred after changing the resolution, take one of the following actions:
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Network Issues
This section provides troubleshooting information about network issues.
Connection Status Not Refreshed in the WiFi Station Mode
In the WiFi station mode, if you find that the connection status is not refreshed to be connected after
connecting to an AP, click the Refresh button in the web GUI. If the issue still exists, click the Wireless
option on the left navigation pane to refresh the screen.
Wake On LAN Not Effective
If the Wake on LAN is not effective, take one of the following actions:
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DNS Not Parsed
Cisco Edge 340 Series supports up to three DNS servers. If the top three DNS servers cannot be parsed,
other DNS servers can not be used although they are valid.
If the DNS cannot be parsed, edit the resolve.config file by entering the #vi /etc/resolve.config
command to replace the top three DNS servers with the other valid servers.
Third-Party Device Cannot be Connected
If a third-party device that is in the station mode cannot connect to the Cisco Edge 340 Series device that
is in the AP mode, take one of the following actions:
Cisco Edge 340 Series Software Configuration Guide, Release 1.0
A-4
Check the connection of the Cisco Edge 340 Series device and the monitor, and restart the system.
Change the current resolution to a new value in the web GUI.
Verify that the Wake on LAN function is enabled on the Cisco Edge 340 Series device.
Verify that the remote devices and the Cisco Edge 340 Series device are in the same broadcast
domain.
Appendix A Troubleshooting
OL-29491-01