Card Reversal Recommended; D Client Is Active; Ati Crossfirex Is Currently Unavailable; Video Displays Flicker During System Startup - AMD ATI Radeon HD 4800 Series User Manual

Troubleshooting ATI CrossFireX
Note: When disabling ATI CrossFireX you will be given the option to
restart your computer to restore the original graphics memory size or
continue with the reduced memory size.

Card Reversal Recommended

A recommendation message to reverse the graphics card positions may appear
if the primary graphics card is not installed into the primary PCIe slot. Although
ATI CrossFireX can be enabled, performance may be improved by reversing the
graphics cards in the computer.
See your motherboard's manual to determine which is the primary PCIe slot.

3D Client is Active

You will not be able to start ATI CrossFireX if a 3D application, game, or video
playback, such as a DVD movie, is running.
Close all open 3D applications, games, and movie player applications, and then
enable ATI CrossFireX.

ATI CrossFireX is Currently Unavailable

This error has occurred because ATI CrossFireX did not correctly detect your
graphics hardware or there is a problem with the software.
Check that the graphics cards are installed correctly.
•
Check that the interconnect cable is installed correctly.
•
Close all running 3D applications.
•
Re-install the ATI Catalyst Control Center and drivers.
•
Screen Rotation is Unavailable or Does Not Work
Screen rotation is not an available feature on ATI CrossFireX systems.

Video Displays Flicker During System Startup

This is normal during ATI CrossFireX start-up.

ATI CrossFireX Starts in Software Mode

This is normal when starting up for the first time after installing two
ATI CrossFireX graphics cards if neither card is installed in the primary
PCI Express® slot. You can change the ATI CrossFireX mode in the
ATI Catalyst Control Center.
ATI CrossFireX Disabled After Swapping/Moving Cards
If you change the ATI CrossFireX configuration by moving the graphics cards to
different slots on the motherboard, disable ATI CrossFireX and restore factory
default settings in ATI Catalyst Control Center first. Once the cards have been
swapped, enable ATI CrossFireX. This ensures the new configuration is detected
by the computer.
© 2008 Advanced Micro Devices, Inc.
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ATI Radeon HD 4800 Series