Methods used to solve blank screen and splash screen exceptions

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Rectify desktop screen exceptions as follows:
1. Open the Display page on a TC and select Optimum settings. Then click OK to set the TC resolution to the optimal resolution.
2. If the splash screen exception persists, press auto at the bottom right of the monitor to automatically adjust the screen.

Other related questions:
Methods used to perform dual-screen tests
Visit the FusionCloud forum at http://support.huawei.com/huaweiconnect/enterprise/forum-893.html and search for 'dual-screen' cases in the forum.

The VCN3000 client displays a blank screen during live video viewing.
The possible cause is that the PC where the VCN3000 client resides does not have a video card or its video card does not support directDraw. Check whether the video card of the PC supports directDraw. If no, change the video card. Other possible causes include the network, camera, DCG, MU, and CU faults. For details, see the VCN3000 Maintenance Handbook. VCN3000 Maintenance Handbook

Method used to configure dual-screen displays for virtual desktops
The procedure for configuring dual-screen displays for virtual desktops is as follows: Prerequisites: Two monitors, a dual-screen cable, and a monitor cable 1. Use the dual-screen cable to connect the TC to the monitors. 2. On the TC login page, choose Start > Control Center > Display. 3. On the Settings tab page, deselect Optimum settings, set Display Mode to Extend, and select VGA for Primary Monitor. 4. On the DVI and VGA tabs, adjust Resolution and Refresh Rate so that their values are the same. For example, a 22-inch monitor is generally set to 1680 x 1050). 5. Contact the administrator to enable the dual-screen display policy for your VM in the management system.

A blurred screen occurs for a camera.
If a blurred screen occurs for a camera, perform the following operations: 1. Reconnect or replace the camera cable to rectify any cable faults. 2. Check whether the status indicator on the camera is steady red, and rectify any hardware faults. 3. Restore the default configuration to rectify software configuration errors. 4. Rectify any network faults.

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