Dell OptiPlex E1 Troubleshooting Manual

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Dell OptiPlex E1 Troubleshooting Manual Manual pdf 60 page image

5-2 Diagnostics and Troubleshooting GuideDo the tests complete successfully?Yes. You have fixed the problem.No. Go to step 6.6. Turn off the system and disconnect it from alter-nating current (AC) power. Swap the monitorwith one of the same type that is working, andreconnect the system to AC power.7. Insert the Dell Diagnostics Diskette into drive A,reboot the system, and run the Video Test Groupagain.Do the tests complete successfully?Yes. You probably need a new monitor. SeeChapter 7, “Getting Help,” for instructions onobtaining technical assistance.No. If you have a video expansion card installed inyour computer, see “Troubleshooting ExpansionCards” in Chapter 6.Troubleshooting the KeyboardThis procedure determines what kind of keyboard prob-lem you have. If a system error message indicates akeyboard problem when you start up the computer sys-tem or during the Dell Diagnostics, complete thefollowing steps:1. Look at the keyboard and the keyboard cable forany signs of damage. Press and release each keyon the keyboard.Do the keyboard and its cable appear to be free ofphysical damage, and do the keys work?Yes. Go to step 3.No. Go to step 2.2. Swap the faulty keyboard with a workingkeyboard.To swap a faulty keyboard, unplug the keyboardcable from your computer’s back panel and plug in aworking keyboard.Is the problem resolved?Yes. You probably need a new keyboard. See Chap-ter 7, “Getting Help,” for instructions on obtainingtechnical assistance.No. Go to step 3.3. Insert the Dell Diagnostics Diskette into drive A,reboot the system, and run the Keyboard TestGroup in the Dell Diagnostics. (See Chapter 4,“Running the Dell Diagnostics.”)Can you use the keyboard to select the KeyboardTest Group?Yes. Go to step 4.No. Go to step 5.4. Does the Keyboard Interactive Test completesuccessfully?Yes. Go to step 6.No. Go to step 5.5. Swap the faulty keyboard with a workingkeyboard.6. Does the Keyboard Controller Test completesuccessfully?Yes. You need a new keyboard. See Chapter 7, “Get-ting Help,” for instructions on obtaining technicalassistance.No. See Chapter 7, “Getting Help,” for instructionson obtaining technical assistance.Troubleshooting I/O PortsThis section provides a procedure for troubleshooting theports on your computer’s I/O panel and the equipmentconnected to them, such as a printer, scanner, or otherperipheral device.You can also use this procedure to test I/O ports onexpansion cards. However, you should first complete theprocedures in “Troubleshooting Expansion Cards” inChapter 6 to verify that the card is configured andinstalled correctly.If a system error message indicates a port problem orif equipment connected to a port seems to perform