In some software application programs that utilize certain direct draw commands such as some
This product is unable to enter full screen DOS mode when using the Lenovo LT1421 Wide USB monitor.
Problem show
Problem | Solution(s) |
|
|
The monitor does not turn on | Check the connections. Make sure |
| the USB cable is firmly connected |
| to the monitor. |
| Disconnect and reconnect the USB |
| cable. |
| Check the condition of the USB |
| cable. If the cable is frayed or |
| damaged, replace the cable. If the |
| connectors are soiled, wipe them |
| with a clean cloth. |
The screen is blank, although | Make sure the USB cable is |
the power is on | properly connected to the |
| computer. |
| Make sure the computer is on and |
| working. The computer may be in |
| sleep or |
| displaying a blank screen saver. |
| Move the mouse to "wake up" the |
| computer. |
The picture "bounces" or moves | Move electrical devices that may |
in a | cause electrical interference away |
| from the monitor. |
Minor issues can generally be resolved by: unplugging and
On Windows 7/Vista WDDM (Aero and Basic)
DisplayLink software works closely with the graphics card and there may be interoperability issues with some graphics cards. If this happens:
1.Try to upgrade to the latest graphics drivers.
2.Try to upgrade to latest DisplayLink software.
3.Report the issue via your support channel.
4.If necessary, boot into Safe Mode and use Windows' Backup and Restore Center to recover.