Lenovo ThinkVision LT1421 User Manual page 25

Error Messages
DisplayLink USB Graphics software occasionally displays user messages in a bubble in the notification
area. The table below lists the user messages and their description.
Table 4-4 DisplayLink menu
Message
Insufficient system resources exist to complete the
requested service
The requested allocation size
was too large
Incompatible Display Driver
The system cannot write to the
specified device
Troubleshooting
This section provides tips for correcting problems, should any occur. It also describes how to contact
Lenovo should you encounter problems that you cannot resolve.
Before you call Lenovo, please read the troubleshooting advice in this manual and in your computer
User's Manual. You may also want to consult with your system administrator or company technical support
staff.
Precautions for Microsoft® Windows®
This product does not support 3D programs or Blue-Ray Disk.
Due to the configurations of computers and Windows
may differ slightly than stated in the user manual. This may be due to the computer manufacture's
BIOS and other custom configurations of the hardware, pre-installed software or operating system
installed at time of production. If you have specific problems, you may need to contact the
computer manufacturer to inquire about BIOS, hardware driver or operating system updates.
The + functionality detailed in the electronic User's Guide for your Lenovo computer only
Fn F5
controls the internal video controller of your computer.
The Lenovo
LT1421 Wide USB
the video. However, due to USB 2.0 transfer speed limitations, some or all portions of DVD
playback may appear slow or choppy. This is not a malfunction of the Lenovo
monitor. Move the video playback from the Lenovo
display for optimal video performance when viewing DVDs.
On Windows XP systems, DVDs may not display correctly on the Lenovo
®
monitor. Use your computer's built-in monitor to view DVDs.
Description
This can occur when entering extend mode with
low system resources. The PC does not have
enough memory to start an extend display.
Close down any unused applications. The situation
may also be improved by rebooting the PC.
This can occur if trying to mirror a primary display
with a resolution above 2300x1700 (4:3) or
2600x1500 (16:9).
This message will appear if the primary graphics
card drivers installed are not WDDM compatible.
Windows 7 is not designed to operate without
WDDM drivers. Download and install the latest
Windows 7 (WDDM) drivers for your primary
graphics card.
This warning may be displayed in Windows XP
after changing the display mode several times (e.g.
Extend/Dock mode) from the DisplayLink GUI. If
this happens, detach and reattach the device to
restore normal operation.
operating systems available, functionality
®
Monitor utilizes an advanced video graphics controller to display
LT1421 Wide USB
Chapter 4. Working with LT1421 Wide USB Monitor
LT1421 Wide USB
monitor to your computer
LT1421 Wide USB
4-9