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VCN cannot display on external screen

Publication Date:  2017-10-17 Views:  67 Downloads:  0
Issue Description
After connecting display, Mouse and keyboard to the VCN, no display on the screen
Handling Process
1.Before conecting The LDU ensure VGA or HDMI output is connected to display 


2.To use LDU the resolution of the screen must be at least 1440*900

3.>Check whether the SMU or LDU module is running properly under System Management > Business operation and management and if the LDU is offline Restart the SMU or LDU module and check whether the alarm is cleared.
4>if the LDU is not appearing 

check the VCN version and if the version is Is version V100R2C00 try to upgrade it to V100R002C10SPC106



Root Cause

The VCN version V100R002C00 do not support LDU 

Solution

If the LDU is not appearing 

check the VCN version and if the version is Is version V100R2C00 try to upgrade it to V100R002C10SPC106
and the upgrade guide is in the link below 
Suggestions

-Don't power off when you upgrade / reboot VCN500 when you upgrade

-it will take 30min for upgrade

END