Sapphire H667F1G User's Guide download pdf (Page 28)

The computer boots up but there is no display.

Verify that the monitor is connected properly to the computer and a power supply.

If a DisplayPort adapter, passive dongle, or active dongle is used, visit www.amd.com/

eyefinity and make sure it appears on AMD's listing of AMD Eyefinity Multi-Display

Ready or AMD Eyefinity Multi-Display Verified adapters/dongles.

If your motherboard has on-board graphics capabilities, you may need to disable

them. Consult your motherboard documentation for more information.

Note: Some manufacturers do not allow the on-board graphics to be disabled or to

become the secondary display.

During software installation on a PC with the Windows Vista® OS, the screen goes blank

The software is still installing. Wait 20–30 minutes to make sure the software has

finished installing and then restart the computer.

Troubleshooting AMD CrossFireX™

The following are suggested solutions for common AMD CrossFireX™ troubleshooting

issues.

Change Motherboard BIOS Settings

Some motherboards may have a system BIOS option to switch between single and dual

PCIe slot support. The default setting may be single slot support. Refer to the

motherboard’s manual for information to enable dual PCIe slot support.

For more information see the AMD CrossFireX Web page at sites.amd.com/us/game/

technology/Pages/crossfirex.aspx.

Use Graphics Cards with Different Amounts of Memory

In some AMD CrossFireX configurations, graphics cards with different amounts of

memory can by used; however, restarting your computer is required after enabling

AMD CrossFireX. This will cause AMD CrossFireX to reduce the amount of memory

on the card with the most amount of memory to match the memory size of the graphics

card with the least amount of memory.

Clicking OK to the memory mismatch error message will restart your computer.

Note: When disabling AMD 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

AMD 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.

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Sapphire H667F1G User's Guide Page 28