Dell 300 manual Troubleshooting the Power Supply, Troubleshooting Power Cable Connections

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4.Check the connection of the coin cell battery to the system board.

Is the battery firmly installed in the battery socket on the system board? Yes. Go to step 6.

No. Go to step 5.

5.Reseat the battery in its socket. Is the problem resolved?

Yes. The battery was loose. You have fixed the problem. No. Continue with this procedure.

WARNING

There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.

6.Replace the battery.

See “Replacing the System Battery,” in Chapter 8, for instructions on replacing the battery.

Is the problem resolved?

Yes. The battery's charge was low. You have fixed the problem.

No. See Chapter 10, “Getting Help,” for instructions on obtaining technical assistance.

7.Reinstall the expansion cards removed in step 3, if applicable.

8.Replace the system cover, and reconnect the system to the electrical outlet.

Troubleshooting the Power Supply

The system contains one 330-watt power supply that can be rotated up to provide access to the system board (see Figure 7-6).

Troubleshooting Power Cable Connections

Follow these steps to troubleshoot power cable connections:

1.Check the power outlet and power cable (see Chapter 2, “Checking Connections and Switches”).

2.Turn off the system, including any attached peripherals, and disconnect all the power cables from the electrical outlets.

7-14 Installation and Troubleshooting Guide

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Contents Checking Inside the Computer Before You BeginRemoving the Computer Cover Unpacking Your Hardware OptionPadlock Installed Replacing the Computer Cover Removing the Computer CoverReplacing the Computer Cover Inside Your Computer Front of computerInside the Chassis Rotating the Power Supply Away From the System Board Rotating the Power SupplyRemoving and Replacing the Front Bezel Removing the Front BezelRemoving and Replacing Front-Panel Inserts Responding to a Dell OpenManage Server Agent Alert Message Removing a Front-Panel InsertTroubleshooting a Wet Computer Troubleshooting a Damaged ComputerTroubleshooting the Battery Troubleshooting the Power Supply Troubleshooting Power Cable ConnectionsTroubleshooting the Cooling Fan Troubleshooting Expansion CardsInstallation and Troubleshooting Guide Checking Inside the Computer Troubleshooting System Memory Checking Inside the Computer Troubleshooting the Video Subsystem Troubleshooting the System Board Installation and Troubleshooting Guide Troubleshooting the Diskette Drive Subsystem Installation and Troubleshooting Guide Checking Inside the Computer Installation and Troubleshooting Guide
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300 specifications

The Dell 300 series represents a robust line of laptops designed to meet the diverse needs of both consumers and professionals. With an emphasis on performance, versatility, and innovation, the Dell 300 series offers a compelling combination of features suited for productivity, multimedia, and gaming.

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