Checking Inside the Computer 7-157. Run the Video Test Group again.Is the problem resolved?Yes. The on-board video jumper was set incorrectly.You have fixed the problem.No. Go to step 8.8. Turn off the system, disconnect it from AC power,and remove the left computer cover.9. Determine whether a video expansion card isinstalled.Is a video expansion card installed?Yes. Go to step 10.No. The built-in video controller is faulty. See Chap-ter 11, “Getting Help,” for instructions on obtainingtechnical assistance.10. Remove the video expansion card, and repeatsteps 1 through 9.Do the tests complete successfully?Yes. The video expansion card is faulty. See Chap-ter 11, “Getting Help,” for instructions on obtainingtechnical assistance.No. See Chapter 11, “Getting Help,” for instructionson obtaining technical assistance.Troubleshooting the SystemBoardA system board problem can result from a defective sys-tem board component, a faulty power supply, or adefective component connected to the system board. If anerror message indicates a system board problem, followthese steps to find the problem:1. Turn off the system, including any attachedperipherals, and disconnect all the AC powercables from their power sources.2. Remove the left computer cover.See “Removing the Computer Covers” found earlierin this chapter.3. Remove all expansion cards except the hard-diskdrive controller card and the video expansioncard (if they are installed).4. Replace the left computer cover, reconnect thesystem to AC power, and turn on the system.5. For any EISA and ISA expansion cards, start theEISA Configuration Utility and update the con-figuration information.See Chapter 5, “Using the EISA Configuration Util-ity,” in the User’s Guide for instructions.6. Enter the System Setup program, and update thesystem configuration information.See Chapter 4, “Using the System Setup Program,”in the User’s Guide for instructions.7. Run the System Set Test Group in the systemdiagnostics.See Chapter 5, “Running the System Diagnostics.”Do the tests complete successfully?Yes. Go to step 8.No. Go to step 13.8. Turn off the system, disconnect it from AC power,and remove the computer cover.9. Reinstall one of the expansion cards you removedin step 3, repeat steps 4, 5, and 6, and continuewith step 10.10. Replace the computer cover, and reconnect thesystem to AC power.11. Run the System Set Test Group again.Do the tests complete successfully?Yes. Go to step 12.No. Go to step 13.CAUTION: See “Protecting Against Electro-static Discharge” in the safety instructions atthe front of this guide.