Dell Comprehensive Guide on BIOS Updates for Latitude and PP18L Models
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Flashing the BIOS

Dell™ Latitude™ D620 Service Manual

Flashing the BIOS From a CD

Flashing the BIOS From the Hard Drive

If a BIOS-update program CD is provided with the new system board, flash the BIOS from the CD. If you do not have a BIOS-update program CD, flash the BIOS from the hard drive.

Flashing the BIOS From a CD

1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.

NOTE: If you use a BIOS-update program CD to flash the BIOS, set up the computer to boot from a CD before inserting the CD.

2.Insert the BIOS-update program CD, and restart the computer.

Follow the instructions that appear on the screen. The computer continues to boot and updates the new BIOS. When the flash update is complete, the computer will automatically reboot.

3.Press <F2> during POST to enter the system setup program.

4.Press <Alt> and <F> to reset the computer defaults.

5.Press <Esc>, select Save changes and reboot, and press <Enter> to save configuration changes.

6.Remove the flash BIOS-update program CD from the drive and restart the computer.

Flashing the BIOS From the Hard Drive

1.Ensure that the AC adapter is plugged in, the main battery is properly installed, and a network cable is attached.

2.Turn on the computer.

3.Locate the latest BIOS update file for your computer at support.dell.com.

4.Click Download Now to download the file.

5.If the Export Compliance Disclaimer window appears, click Yes, I Accept this Agreement.

The File Download window appears.

6.Click Save this program to disk and then click OK.

The Save In window appears.

7.Click the down arrow to view the Save In menu, select Desktop, and then click Save.

The file downloads to your desktop.

8.Click Close if the Download Complete window appears.

The file icon appears on your desktop and is titled the same as the downloaded BIOS update file.

9.Double-click the file icon on the desktop and follow the instructions on the screen.

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Contents November 2006 Rev. A01 Base Page Before Working Inside Your Computer Before You Begin Recommended Tools Turning Off Your ComputerScrew Identification Computer OrientationBack to Contents Flashing the Bios From a CD Flashing the BiosFlashing the Bios From the Hard Drive Internal Card with Bluetooth Wireless Technology Coin-Cell Battery Removing the Processor Module Processor ModuleInstalling the Processor Module Removing the Display Assembly Display AssemblyRemoving the Display Bezel Removing the Display Panel Removing the Display Hinges Installing the Display PanelFan Back to Contents Hard Drive Hinge Cover Removing the Keyboard KeyboardReplacing the Keyboard Keyboard System board connector Dimm a Dimm B MemoryDimm B Back to Contents Communications Cards Wireless Local Area Network Wlan CardMobile Broadband Card Page Subscriber Identity Module SIM Card Modem Microphone Media Bay Devices Palm Rest Back to Contents PC Card Reader Speaker Removing the System Board System BoardInstalling the System Board Back to Contents System Components Back to Contents Removing the Processor Thermal-Cooling Assembly Processor Thermal-Cooling AssemblyReplacing the Processor Thermal-Cooling Assembly Back to Contents November 2006 Rev. A01
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