AMD Radeon HD 6750, User Manual

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4.3.1.1 The graphics card doesn't fit any of the motherboard slots.
The graphics card needs to be exchanged for one with a bus that matches the
motherboard.
4.3.1.2 The computer beeps and the boot process stops.
Make certain that the graphics card is properly connected to the internal power supply
and the motherboard.
4.3.1.3 No display on power up.
This may be an SBIOS issue. Replace the old card and then try these possible solutions:
1. Check the motherboard manufacturer's Web site for an SBIOS update.
2. Turn off the on-board video.
4.3.1.4 The computer does not boot up properly.
Verify that the installation instructions were followed correctly.
Make certain that the graphics card is properly connected to the power supply and
the motherboard.
If using Windows operating system, restart your computer in Safe Mode. For
information on Safe Mode, consult the Windows documentation.
Check the system configuration utility for interrupt assignments.
4.3.1.5 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.
4.3.1.6 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.
4.3.2 Troubleshooting AMD CrossFireX™
The following are suggested solutions for common AMD CrossFireX™ troubleshooting
issues.
20 Reference
AMD Radeon™ HD 6750/6770 © 2010 Advanced Micro Devices, Inc.