Dell Inspiron 3420 Specifications (SWF/PDF)

Dell Inspiron 3420 Manual

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  • Dell Inspiron 3420 | Specifications (SWF/PDF) - Page 1
    Dell Inspiron M4040/ 14-N4050 Owner's Manual Regulatory model: P22G Regulatory type: P22G001; P22G002
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    potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a Dell Inc. All rights reserved. Trademarks used in this text: Dell™, the DELL logo, and Inspiron™ are trademarks of Dell Inc.; Bluetooth® is a registered trademark owned by Bluetooth
  • Dell Inspiron 3420 | Specifications (SWF/PDF) - Page 3
    Computer 9 Before Working Inside Your Computer 10 2 Battery 13 Removing the Battery 13 Replacing the Battery 14 3 Keyboard 15 Removing the Keyboard 15 Replacing the Keyboard 17 4 Memory Module(s 19 Removing the Memory Module(s 19 Replacing the Memory Module(s 20 5 Optical Drive 23
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    28 7 Power Button Board 31 Removing the Power Button Board 31 Replacing the Power Button Board 32 8 Hard Drive 33 Removing the Hard Drive 33 Replacing the Hard Drive 35 9 Wireless Mini-Card 37 Removing the Mini-Card 37 Replacing the Mini-Card 38 10 Audio Board 41 Removing the Audio Board
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    the Coin-Cell Battery 43 Replacing the Coin-Cell Battery 45 12 USB Board 47 Removing the USB Board 47 Replacing the USB Board 48 13 Thermal Cooling Assembly 49 Removing the Thermal Cooling Assembly 49 Replacing the Thermal Cooling Assembly 50 14 Processor Module (For Inspiron 14-N4050
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    Display Bezel 63 Removing the Display Panel 63 Replacing the Display Panel 66 17 Camera Module 69 Removing the Camera Module 69 Replacing the Camera Module 70 18 System Board 73 Removing the System Board 73 Replacing the System Board 75 Entering the Service Tag in the BIOS 76 19 Flashing
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    Contents 7
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    8 Contents
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    information that shipped with your computer. • A component can be replaced or-if purchased separately-installed by performing the removal procedure in screwdriver • Plastic scribe • BIOS executable update program available at support.dell.com Turning Off Your Computer CAUTION: To avoid losing data,
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    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your computer and then unplug the cable from the network device. 3 Disconnect all telephone or network cables from the computer. 4 Press and
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    from your computer. CAUTION: To help prevent damage to the system board, remove the main battery (see "Removing the Battery" on page 13) before working inside the computer. 7 Remove the battery (see "Removing the Battery" on page 13). 8 Turn the computer top-side up, open the display, and press the
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    12 Before You Begin
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    on your computer). CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers. Removing the Battery 1 Follow the instructions in "Before You Begin" on page 9. 2 Turn off the computer and turn it
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    3 2 1 1 battery release latch 3 battery lock latch 2 battery Replacing the Battery 1 Follow the instructions in "Before You Begin" on page 9. 2 Slide the battery into the battery bay until it clicks into place. 3 Slide the battery lock latch to the lock position. 14 Battery
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    working inside the computer. Removing the Keyboard 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the battery (see "Removing the Battery" on page 13). CAUTION: The keycaps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful when removing and
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    : Be extremely careful when removing and handling the keyboard. Failure to do so could result in scratching the display panel. 5 Without pulling hard on the keyboard, hold it towards the display. 6 Lift the connector latch that secures the keyboard cable to the connector on the system board and
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    2 keyboard Replacing the Keyboard 1 Follow the instructions in "Before You Begin" on page 9. 2 Slide the keyboard cable into the connector on the system board. Press down on the connector latch to secure the keyboard cable to the connector on the system board. 3 Slide the tabs on the keyboard into
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    18 Keyboard
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    main battery (see "Removing the Battery" on page 13) before working inside the computer. You can increase your computer memory by installing memory modules on the system board. For information on the type of memory supported by your computer, see the Specifications at support.dell.com/manuals. NOTE
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    Replacing the Memory Module(s) CAUTION: If you need to install memory modules in two connectors, install a memory module in the connector labeled "DIMM A" before you install a memory module in the connector labeled "DIMM B." 1 Follow the instructions properly, the computer may not boot. 20 Memory
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    2 1 1 tab 2 notch 4 Replace the keyboard (see "Replacing the Keyboard" on page 17). 5 Replace the battery (see "Replacing the Battery" on page 14), or connect the AC adapter to your computer and an electrical outlet. 6 Turn on the computer. As the computer boots, it detects the memory module(s) and
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    22 Memory
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    ) before working inside the computer. Removing the Optical Drive 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the battery (see "Removing the Battery" on page 13). 3 Remove the keyboard (see "Removing the Keyboard" on page 15). 4 Remove the screw that secures the optical drive
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    the instructions in "Before You Begin" on page 9. 2 Slide the optical drive into the optical-drive compartment until it is fully seated. 3 Replace the screw that secures the optical drive to the computer base. 4 Replace the keyboard (see "Replacing the Keyboard" on page 17). 5 Replace the battery
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    dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell Assembly 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the battery (see "Removing the Battery" on page 13
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    4 Remove the keyboard (see "Removing the Keyboard" on page 15). 5 Remove the three screws on the palm-rest assembly. CAUTION: Pull on the plastic tab on top of the connectors to avoid
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    1 2 1 power-button board cable 2 touch-pad cable CAUTION: Carefully separate the palm rest from the computer base to avoid damage to the palm rest. 7 Using a plastic scribe, carefully pry out the palm-rest assembly and then ease the palm-rest assembly from the computer base 8 Lift the palm-rest
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    31). Replacing the Palm-Rest Assembly 1 Follow the instructions in "Before You Begin" on page 9. 2 Replace the power button board (see "Replacing the Power 5 Replace the three screws on the palm-rest assembly. 6 Replace the keyboard (see "Replacing the Keyboard" on page 17). 7 Replace the eight
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    8 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer. Palm-Rest Assembly 29
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    30 Palm-Rest Assembly
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    " on page 13) before working inside the computer. Removing the Power Button Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the battery (see "Removing the Battery" on page 13). 3 Follow the instructions from step 3 to step 8 in "Removing the Palm-Rest Assembly" on page 25
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    . 5 Turn the palm-rest assembly over. 6 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28. 7 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain
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    from a source other than Dell, you must install an operating system, drivers, and utilities on the new hard drive. Removing the Hard Drive 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the battery (see "Removing the Battery" on page 13). 3 Follow the instructions from step 3 to
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    4 Slide the hard-drive assembly to the left to disconnect it from the connector on the system board. 5 Lift the hard-drive assembly out of the computer base. 1 1 hard-drive assembly 6 Remove the two screws that secure the hard-drive bracket to the hard drive. 7 Lift the hard-drive bracket away from
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    to the connector on the system board. 7 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28. 8 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain
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    36 Hard Drive
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    not guarantee compatibility or provide support for Mini-Cards from sources other than Dell. If you ordered a wireless Mini-Card with your computer, the card is already installed. Your computer has one half Mini-Card slot for Wireless Local Area Network (WLAN)/Bluetooth combo card. NOTE: Depending on
  • Dell Inspiron 3420 | Specifications (SWF/PDF) - Page 38
    information, see "Protecting Against Electrostatic Discharge" in the safety information that shipped with your computer. 1 2 1 Mini-Card antenna cables (2) 2 tab Replacing the Mini-Card 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the new Mini-Card from its packaging. 38
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    supported by your computer. Connectors on the Mini-Card WLAN (2 antenna cables) Main WLAN (white triangle) Auxiliary WLAN (black triangle) Antenna Cable Color Scheme white black 6 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28. 7 Replace the battery
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    40 Wireless Mini-Card
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    due to servicing that is not authorized by Dell is not covered by your warranty. CAUTION: To help prevent damage to the system board, remove the main battery (see "Removing the Battery" on page 13) before working inside the computer. Removing the Audio Board 1 Follow the instructions in "Before
  • Dell Inspiron 3420 | Specifications (SWF/PDF) - Page 42
    Card antenna cables to the connectors on the Mini-Card (see "Replacing the Mini-Card" on page 38). 5 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28. 6 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer
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    the computer. Removing the Coin-Cell Battery 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the battery (see "Removing the Battery" on page 13). 3 Follow the instructions from step 3 to step 8 in "Removing the Palm-Rest Assembly" on page 25. For Inspiron 14-N4050: a Lift the
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    1 2 3 4 1 battery socket 3 coin-cell battery cable 2 coin-cell battery 4 audio-board cable For Inspiron M4040: a Using a plastic scribe, gently pry the coin-cell out of the battery socket on the system board. b Lift the coin-cell battery out of the battery socket on the system board. 1 2 44
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    2 coin-cell battery Replacing the Coin-Cell Battery 1 Follow the instructions in "Before You Begin" on page 9. For Inspiron M4040: a With the positive side up, snap the coin-cell battery into the battery socket on the system board. For Inspiron 14-N4050: a Slide the coin-cell battery into the
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    46 Coin-Cell Battery
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    computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. CAUTION: To help prevent damage to the system board, remove the main battery (see "Removing the Battery" on page 13) before working inside the computer. Removing the USB Board 1 Follow the procedures
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    to secure the USB-board cable to the connector on the system board. 5 Replace the optical drive (see "Replacing the Optical Drive" on page 24). 6 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28. 7 Replace the battery (see "Replacing the Battery" on page
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    of the thermal cooling assembly may vary. Removing the Thermal Cooling Assembly 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the battery (see "Removing the Battery" on page 13). 3 Follow the instructions from step 3 to step 8 in "Removing the Palm-Rest Assembly" on page 25
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    to the connector on the system board. 5 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28. 6 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain
  • Dell Inspiron 3420 | Specifications (SWF/PDF) - Page 51
    (For Inspiron 14-N4050 Only) WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service
  • Dell Inspiron 3420 | Specifications (SWF/PDF) - Page 52
    on the processor module. 6 Lift the processor module from the ZIF socket. 2 1 1 ZIF socket 2 ZIF-socket cam screw Replacing the Processor Module 1 Follow the instructions in "Before You Begin" on page 9. NOTE: If you install a new processor, a new thermal assembly including an affixed thermal
  • Dell Inspiron 3420 | Specifications (SWF/PDF) - Page 53
    Thermal Cooling Assembly" on page 50). 5 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28. 6 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain
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    54 Processor Module (For Inspiron 14-N4050 Only)
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    damage to the system board, remove the main battery (see "Removing the Battery" on page 13) before working inside the computer. Removing the Hinge Cover 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the battery (see "Removing the Battery" on page 13). 3 Remove the two screws
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    4 Turn the computer over. 5 Pry the hinge cover off the computer base. 1 56 Hinge Cover
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    the instructions in "Before You Begin" on page 9. 2 Align the tabs on the hinge cover with the slots on the computer base and snap the hinge cover into place. 3 Turn the computer over. 4 Replace the two screws that secure the hinge cover to the computer base. 5 Replace the battery (see "Replacing
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    58 Hinge Cover
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    9. 2 Remove the battery (see "Removing the Battery" on page 13). 3 Follow the instructions from step 3 to step 8 in "Removing the Palm-Rest Assembly" on page 25. 4 Remove the optical drive (see "Removing the Optical Drive" on page 23). 5 Remove the USB board (see "Removing the USB Board" on page 47
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    1 2 3 1 display cable 3 Mini-Card antenna cables 2 Mini-Card 10 Remove the two screws that secure the display assembly to the computer base. 11 Lift and remove the display assembly out of the computer base. 60 Display
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    cables through the routing guides. 4 Connect the display cable to the connector on the system board. 5 Connect the Mini-Card antenna cables to the Mini-Card. 6 Replace the hinge cover (see "Replacing the Hinge Cover" on page 57). 7 Replace the USB board (see "Replacing the USB Board" on page 48
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    9 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28. 10 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so
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    replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer. Display Panel Removing the Display Panel 1 Follow the instructions and remove them from the routing guides on the display hinges. 6 Remove the six screws that secure
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    5 4 3 2 1 1 display cable 3 display panel 5 screws (6) 2 display cover 4 Mini-Card antenna cables 7 Remove the four screws (two on each side) that secure the display-panel brackets to the display panel. 64 Display
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    1 2 1 screws (4) 2 display-panel brackets (2) 8 Turn the display panel over and place it on a clean surface. 9 Lift the tape that secures the display cable to the display-board connector and disconnect the display cable. 10 Make a note of the display cable routing and peel the cable from the back
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    tape 3 display cable 2 display-board connector Replacing the Display Panel 1 Follow the instructions in "Before You Begin" on page 9. holes on the display cover and replace the six screws. 7 Route the display cable and Mini-Card antenna cables through the routing guides on the display hinges. 8
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    CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer. Display 67
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    68 Display
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    9. 2 Remove the battery (see "Removing the Battery" on page 13). 3 Follow the instructions from step 3 to step 8 in "Removing the Palm-Rest Assembly" on page 25. 4 Remove the optical drive (see "Removing the Optical Drive" on page 23). 5 Remove the USB board (see "Removing the USB Board" on page 47
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    into place. 4 Replace the display bezel (see "Replacing the Display Bezel" on page 63). 5 Replace the display assembly (see "Replacing the Display Assembly" on page 61). 6 Replace the hinge cover (see "Replacing the Hinge Cover" on page 57). 7 Replace the USB board (see "Replacing the USB Board" on
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    the Optical Drive" on page 24). 9 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28. 10 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside
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    72 Camera Module
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    . Removing the System Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Press and eject any installed cards from the 3-in-1 media card reader. 3 Remove the battery (see "Removing the Battery" on page 13). 4 Remove the keyboard (see "Removing the Keyboard" on page 15). 5 Remove the
  • Dell Inspiron 3420 | Specifications (SWF/PDF) - Page 74
    the display cable, speakers cable, audio-board cable, USB-board cable, coin-cell battery cable, and AC-adapter cable from the connectors on the system board. 1 6 2 3 5 4 1 display cable 3 speakers cable 5 audio-board cable 2 AC-adapter cable 4 coin-cell battery cable 6 USB-board cable 13
  • Dell Inspiron 3420 | Specifications (SWF/PDF) - Page 75
    USB-board cable, coin-cell battery cable, and AC-adapter cable to the connectors on the system board. 5 Replace the processor (see "Replacing the Processor Module" on page 52). 6 Replace the thermal cooling assembly (see "Replacing the Thermal Cooling Assembly" on page 50). 7 Follow the instructions
  • Dell Inspiron 3420 | Specifications (SWF/PDF) - Page 76
    Tag into the BIOS of the replacement system board. 16 Enter the service tag (see "Entering the Service Tag in the BIOS" on page 76). Entering the Service Tag in the BIOS 1 Ensure that the AC adapter is plugged in and that the main battery is installed properly. 2 Turn on the computer. 3 Press
  • Dell Inspiron 3420 | Specifications (SWF/PDF) - Page 77
    replacing the system board. To flash the BIOS: 1 Turn on the computer. 2 Go to support.dell.com/support/downloads. 3 Locate the BIOS update file for your computer: NOTE: The Service on the screen. Click BIOS. 5 Click Download Now to download the latest BIOS file. The File Download window appears.
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    8 Double-click the file icon on the desktop and follow the instructions on the screen. 78 Flashing the BIOS
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Dell Inspiron M4040/
14-N4050 Owner’s Manual
Regulatory model: P22G
Regulatory type: P22G001; P22G002