Dell Inspiron 3421 Support and Manuals
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Manual For Inspiron 3421
(Posted by hamagy 10 years ago)
Connecting Laptop To Projector Usb Port?
Dell N3421 laptop doesnot have video port but has HDMI port. How do we connect this laptop to Projec...
Dell N3421 laptop doesnot have video port but has HDMI port. How do we connect this laptop to Projec...
(Posted by govindraj 10 years ago)
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Popular Dell Inspiron 3421 Manual Pages
Owner's Manual - Page 1
Inspiron 14/14R Owner's Manual
Computer model: Inspiron 3421/5421 Regulatory model: P37G Regulatory type: P37G001
Owner's Manual - Page 2
...;, Windows®, and the Windows start button logo are not followed. A00 CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are either trademarks or registered trademarks of Microsoft Corporation in this text: Dell™, the DELL logo, and Inspiron™ are trademarks of your computer. and is a registered trademark owned by Dell...
Owner's Manual - Page 5
...
Removing the Power-Adapter Port 42
Prerequisites 42 Procedure 43
Replacing the Power-Adapter Port 45
Procedure 45 Postrequisites 45
Removing the System Board 46
Prerequisites 46 Procedure 47
Replacing the System Board 49
Procedure 49 Postrequisites 49 Entering the Service Tag in system setup 50
Removing the Thermal-Cooling Assembly . . . . . 51
Prerequisites 51...
Owner's Manual - Page 9
...Shut down your computer. • Windows 8: a Point your mouse pointer to the upper-right or lower-right corner of your operating system for shut-down instructions. 3 Disconnect your computer and all...5 seconds to open the Charms sidebar. Microsoft Windows shuts down . b In the Charms sidebar, click Settings→ Power→ Shut down. • Windows 7:
Click Start and click Shut down and ...
Owner's Manual - Page 10
... unplug the cable from the media-card reader. Safety Instructions
Use the following tools: • Phillips screwdriver • Plastic scribe
10 | Before You Begin WARNING: Before working inside the computer, replace all power sources before connecting to remove the computer cover and access any installed card from the network device. For additional safety...
Owner's Manual - Page 16
... and follow the instructions in "Before You Begin" on page 9. See "Replacing the Battery" on the optical-drive assembly and replace the screw that secures the optical-drive bracket to the optical-drive assembly.
3 Slide the optical-drive assembly into the optical-drive bay and ensure that secures the optical-drive assembly to the computer base. Replacing the Optical Drive
WARNING: Before...
Owner's Manual - Page 27
... the tabs on the computer base and place the
hard-drive assembly in "After Working Inside Your Computer" on page 11. See "Replacing the Battery" on page 22. 2 Replace the battery. After working inside your computer and follow the instructions in the hard-drive bay. 4 Slide the hard-drive assembly towards the side of the computer to connect...
Owner's Manual - Page 28
... the antenna cables from the wireless mini-card. 2 Remove the screw that shipped with your computer and follow the instructions in "Before You Begin" ... "Removing the Battery" on page 21.
Prerequisites
1 Remove the battery. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.
Removing the Wireless Mini-Card
WARNING...
Owner's Manual - Page 30
... page 9. Procedure
CAUTION: To avoid damage to the wireless mini-card, ensure that no cables are placed under the wireless mini-card. 1 Align the notch on the wireless mini-card with your computer and follow the instructions in "Before You Begin" on page 22. 2 Replace the battery. For additional safety best practices information, see the Regulatory...
Owner's Manual - Page 31
...safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites
1 Remove the battery. See "Removing the Keyboard" on page 12. 2 Remove... in "Before You Begin" on page 9. See "Removing the Battery" on page 17.
See "Removing the Base Cover" on page 21. 3 Follow the instructions from step 1 to the computer base.
1 screws (7)
1 Removing...
Owner's Manual - Page 32
2 Press the latches to release the palm-rest from the computer base. 1
1 latches (4)
32 | Removing the Palm-Rest
Owner's Manual - Page 46
NOTE: Your computer's Service Tag is stored in "Removing the Optical Drive" on
page 25. 6 Remove the wireless Mini-Card. See "Removing the Battery" on page 12. 2 Follow the instructions from step 1 to step 2 in the system board. See "Removing the Memory Module(s)" on page 11. See "Removing the Palm-Rest" on page 36.
46 | ...
Owner's Manual - Page 49
... the steps in "Before You Begin" on page 9.
See "Replacing the Palm-Rest" on page 38 2 Replace the palm-rest. NOTE: Your computer's Service Tag is stored in "Replacing the Optical Drive" on
page 16. 9 Replace the battery. See "Replacing the Base Cover" on page 22. 8 Follow the instructions from step 3 to the fan. 8 Slide the display cable into...
Owner's Manual - Page 50
Entering the Service Tag in system setup
1 Turn on the computer. 2 Press during POST to enter the system setup program. 3 Using the arrow keys, select Enter Setup and press . 4 Navigate to the Main tab and enter your computer's Service Tag in the
Service Tag field.
50 | Replacing the System Board
Owner's Manual - Page 71
... the instructions on the screen.
If you do not have your computer's Service Tag, type your computer's service tag, click Detect Service Tag to the folder where you have your computer's Service Tag and
click Submit.
To flash the BIOS:
1 Turn on the computer. 2 Go to dell.com/support. 3 Click Start Here under the product categories. 5 Click Drivers & Downloads...
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