Troubleshooting Ati Crossfirex - AMD ATI Radeon HD 5850 User Manual

20 Reference
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.
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.
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.
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/us/products/desktop/graphics/ati-radeon-hd-5000/Pages/
displayport-support.aspx
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 ATI CrossFireX

The following are suggested solutions for common ATI CrossFireX
troubleshooting issues.
ATI Radeon™ HD 5850/5870
and verify that it is AMD-approved.
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