Dell PP32LB, P168C, PP32LA specifications Troubleshooting Tips, Power Problems

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Troubleshooting Tips

Follow these tips when troubleshooting your computer:

If you added or removed a part before the problem started, review the installation procedures and ensure that the part is correctly installed (see your Service Manual at support.dell.com).

If a device does not work, ensure that the device is properly connected.

If an error message appears on the screen, write down the exact message. This message may help support personnel to diagnose and fix the problem(s).

If an error message occurs in a program, see the program documentation.

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 the Windows Classic view.

Power Problems

CAUTION: Before you begin any of the procedures in this section, follow the safety information that shipped with your computer.

I F T H E P O W E R L I G H T I S O F F The computer is either turned off or is not receiving power.

Reseat the power cable in the power connector on the back of the computer and the electrical outlet.

Bypass power strips, power extension cables, and other power protection devices to verify that the computer turns on properly.

Ensure that any power strips being used are plugged into an electrical outlet and are turned on.

Ensure that the electrical outlet is working by testing it with another device, such as a lamp.

Ensure that the main power cable and front panel cable are securely connected to the system board (see your Service Manual at support.dell.com).

I F T H E P O W E R L I G H T I S B L U E A N D T H E C O M P U T E R I S N O T R E S P O N D I N G

Ensure that the display is connected and powered on.

If the display is connected and powered on, see "Beep Codes" on page 27.

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Troubleshooting

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Contents W . d e l l . c o m s u p p o r t . d e l l . c o m Macrovision Product Notice Contents Troubleshooting Software and Hardware Automated Order-Status Service Contents About Your Computer Front ViewKeyboard Security cable slot USB connectors Back View Battery Removal Wireless Switch Setting Up Your Computer Quick SetupSetting Up Your Computer Connecting to the Internet Setting Up Your Internet Connection Click Start→Internet Explorer→Connect to the InternetMicrosoft Windows Vista Transferring Information to a New ComputerMicrosoft Windows XP Operating System Under Network and Internet, click Connect to the InternetNext To copy data from the old computerTo transfer data to the new computer To copy data from the old computer Microsoft Windows Vista Specifications USB Lvds Wxga WXGA+ Depending on operating conditions and can be Page G2 or lower as defined by ISA-S71.04-1985 Tools TroubleshootingPower Lights Beep CodesCode Description Suggested Remedy Repetitive Error Messages T a Error The hard drive cannot read the dataDo not use these characters in filenames Troubleshooting Troubleshooting Click Uninstall System Messages Drive and try againTroubleshooting Software and Hardware Problems Starting the Dell Diagnostics From Your Hard Drive Dell DiagnosticsFix a Problem section, click Hardware Troubleshooter Click Start→Help and SupportTroubleshooting Follow these tips when troubleshooting your computer Troubleshooting TipsPower Problems Memory Problems Lockups and Software Problems Computer does not start upProgram crashes repeatedly Dell Technical Update Service Dell Support UtilityTroubleshooting Troubleshooting Identifying Drivers Reinstalling SoftwareDrivers Click Properties→Device ManagerProperties Click the Drivers tab→Roll Back Driver Reinstalling Drivers and UtilitiesReturning to a Previous Device Driver Version Click Start→My Computer→Properties→Hardware→Device ManagerAt the Welcome Dell System Owner screen, click Next Restoring Your Operating System Using Microsoft Windows System RestoreYou can restore your operating system in the following ways Starting System Restore Undoing the Last System RestoreClick Undo my last restoration and click Next Using Dell Factory Image RestoreDell Factory Image Restore Windows Vista Only Select Repair Your ComputerUsing the Operating System Media Click Dell Factory Image RestoreReinstalling Software Finding Information Dell Technology Guide About your operating system Getting Help Obtaining AssistanceTechnical Support and Customer Service DellConnect Online ServicesAutomated Order-Status Service Problems With Your OrderAutoTech Service Getting Help Before You Call Page Contacting Dell Getting Help Express Service Code IndexIndex Index Index