Dell OptiPlex 760 Service Manual

Also see for OptiPlex 760: Setup and quick reference guide Technical guidebook Configuration guide Specifications

Contents

Solving ProblemsFollow these tips when troubleshooting your computer:l If you added or removed a part before the problem started, review the installation procedures and ensure that the part is correctly installed.l If a peripheral device does not work, ensure that the device is properly connected.l If an error message appears on the screen, write down the exact message. This message may help support personnel diagnose and fix the problem(s).l If an error message occurs in a program, see the program's documentation.Battery ProblemsReplace the battery —If you have to repeatedly reset time and date information after turning on the computer, or if an incorrect time or date displays during start-up, replace thebattery (see "Replacing the Battery" on page 157). If the battery still does not work properly, contact Dell (see Contacting Dell).Drive ProblemsEnsure that Microsoft® Windows® Recognizes the drive —Windows XP:l Click Start and click My Computer.Windows Vista™:l Click the Windows Vista Start button and click Computer.If the drive is not listed, perform a full scan with your antivirus software to check for and remove viruses. Viruses can sometimes prevent Windows fromrecognizing the drive.Test the drive —l Insert another disc to eliminate the possibility that the original drive is defective.l Insert a bootable floppy disk and restart the computer.Tab FunctionResults Displays the results of the test and any error conditions encountered.Errors Displays error conditions encountered, error codes, and the problem description.Help Describes the test and any requirements for running the test.Configuration Displays the hardware configuration for the selected device.The Dell Diagnostics obtains configuration information for all devices from System Setup, memory, and various internal tests, and displays theinformation in the device list in the left pane of the screen.NOTE: The device list may not display the names of all components installed on your computer or all devices attached to your computer.Parameters Allows you to customize the test, if applicable, by changing the test settings.NOTE: The procedures in this document were written for the Windows default view, so they may not apply if you set your Dell™ computer to theWindows Classic view.WARNING: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent typerecommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety bestpractices information, see the Regulatory Compliance Homepage on www.dell.com at www.dell.com/regulatory_compliance.WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety bestpractices information, see the Regulatory Compliance Homepage on www.dell.com at www.dell.com/regulatory_compliance.