Dell M4040/14-N4050 owner manual Flashing the Bios, Click Enter a Tag

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Flashing the BIOS

The BIOS may require flashing when an update is available or when replacing the system board. To flash the BIOS:

1Turn on the computer.

2Go to support.dell.com/support/downloads.

3Locate the BIOS update file for your computer:

NOTE: The Service Tag for your computer is located on a label at the bottom of your computer.

If you have your computer’s Service Tag:

aClick Enter a Tag.

bEnter your computer’s Service Tag in the Enter a service tag: field, click Go, and proceed to step 4.

If you do not have your computer’s Service Tag:

aClick Select Model.

bSelect the type of product in the Select Your Product Family list.

cSelect the product brand in the Select Your Product Line list.

dSelect the product model number in the Select Your Product Model list.

NOTE: If you have selected a different model and want to start over again, click Start Over on the top right of the menu.

eClick Confirm.

4A list of results appear on the screen. Click BIOS.

5Click Download Now to download the latest BIOS file. The File Download window appears.

6Click Save to save the file on your desktop. The file downloads to your desktop.

7Click Close if the Download Complete window appears.

The file icon appears on your desktop and the name of the file is the same as the file that you downloaded.

Flashing the BIOS

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Contents Regulatory model P22G Regulatory type P22G001 P22G002 Regulatory model P22G Contents Replacing the Optical Drive Palm-Rest Assembly Thermal Cooling Assembly Removing the Camera Module Replacing the Camera Module Contents Contents Turning Off Your Computer Before You BeginRecommended Tools Before Working Inside Your Computer Before You Begin Before You Begin Removing the Battery BatteryReplacing the Battery Removing the Keyboard KeyboardPlastic scribe Tabs Keyboard Replacing the Keyboard Keyboard Removing the Memory Modules Memory ModulesReplacing the Memory Modules Click Start → Control Panel→ System and Security→ System Memory Removing the Optical Drive Optical DriveReplacing the Optical Drive Removing the Palm-Rest Assembly Palm-Rest AssemblyPalm-Rest Assembly Power-button board cable Touch-pad cable Replacing the Palm-Rest Assembly Replace the battery. See Replacing the Battery on Palm-Rest Assembly Removing the Power Button Board Power Button BoardReplacing the Power Button Board Removing the Hard Drive Hard DriveHard-drive assembly Replacing the Hard Drive Hard Drive Removing the Mini-Card Wireless Mini-CardReplacing the Mini-Card Wireless Mini-Card Wireless Mini-Card Removing the Audio Board Audio BoardReplacing the Audio Board Removing the Coin-Cell Battery Coin-Cell BatteryBattery socket Coin-cell battery Coin-cell battery cable Replacing the Coin-Cell Battery Coin-Cell Battery Removing the USB Board USB BoardReplacing the USB Board Removing the Thermal Cooling Assembly Thermal Cooling AssemblyReplacing the Thermal Cooling Assembly Removing the Processor Module Processor Module For Inspiron 14-N4050 OnlyReplacing the Processor Module Processor Module For Inspiron 14-N4050 Only Processor Module For Inspiron 14-N4050 Only Removing the Hinge Cover Hinge CoverHinge Cover Replacing the Hinge Cover Hinge Cover Display Display AssemblyDisplay cable Mini-Card Mini-Card antenna cables Replacing the Display Assembly Removing the Display Bezel Display BezelReplacing the Display Bezel Display PanelDisplay cable Display cover Display panel Display-panel brackets Replacing the Display Panel Display Display Removing the Camera Module Camera ModuleReplacing the Camera Module Camera Module Camera Module Removing the System Board System BoardDisplay cable AC-adapter cable Speakers cable Replacing the System Board Entering the Service Tag in the Bios Click Enter a Tag Flashing the BiosFlashing the Bios