Service Manual
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... Page Diagnostics Dell™ OptiPlex™ 980 Service Manual-Desktop Dell Diagnostics Power Button Light Codes Beep Codes Diagnostic Lights Dell Diagnostics When to Use the Dell Diagnostics It is recommended that you print these procedures before you see the Windows desktop. Start the Dell Diagnostics from ...Enter system setup (see Entering System Setup), review your computer and try again. 3. If you wait too long and the operating system logo appears, continue to test displays in the system setup program. 3. When the DELL logo appears, press immediately. Then shut down ...
... Page Diagnostics Dell™ OptiPlex™ 980 Service Manual-Desktop Dell Diagnostics Power Button Light Codes Beep Codes Diagnostic Lights Dell Diagnostics When to Use the Dell Diagnostics It is recommended that you print these procedures before you see the Windows desktop. Start the Dell Diagnostics from ...Enter system setup (see Entering System Setup), review your computer and try again. 3. If you wait too long and the operating system logo appears, continue to test displays in the system setup program. 3. When the DELL logo appears, press immediately. Then shut down ...