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book.book Page 1 Wednesday, April 11, 2012 4:13 PM
Dell Inspiron 14R
Owner’s Manual
Computer model: Inspiron 5420/7420
Regulatory model: P33G
Regulatory type: P33G001
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book.book Page 2 Wednesday, April 11, 2012 4:13 PM Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. ____________________ Information in this document is subject to change without notice. © 2012 Dell Inc. All rights
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book.book Page 3 Wednesday, April 11, 2012 4:13 PM Contents 1Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . 8 Turn Off Your Computer and Connected Devices . . . 8 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . 8 Recommended Tools . . . . . . . . . . . . . . . . . . . . . . 9 2 After Working Inside Your Computer . . . . . . . 10 3 Removing the Switch. . . . . . . . . . . . . . . . . . . . 12 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . .
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book.book Page 4 Wednesday, April 11, 2012 4:13 PM 11 Removing the Memory Module(s). . . . . . . . . . 30 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 12 Replacing the Memory Module(s). . . . . . . . . . 32 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . 33 13 Removing the Hard Drive . . . . . . . . . . . . . .
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book.book Page 5 Wednesday, April 11, 2012 4:13 PM 21 Removing the Power-Adapter Port . . . . . . . . 54 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 22 Replacing the Power-Adapter Port . . . . . . . . 56 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . 56 23 Removing the Coin-Cell Battery. . . . . . . . . . .
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book.book Page 6 Wednesday, April 11, 2012 4:13 PM 31 Removing the Display Bezel . . . . . . . . . . . . . . 76 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 32 Replacing the Display Bezel . . . . . . . . . . . . . . 78 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . 78 33 Removing the Display Panel . . . . .
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book.book Page 7 Wednesday, April 11, 2012 4:13 PM 41 Removing the System Board . . . . . . . . . . . . . . 98 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 42 Replacing the System Board . . . . . . . . . . . . . 102 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . 102 Entering the Service Tag in the BIOS . . . . .
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book.book Page 8 Wednesday, April 11, 2012 4:13 PM 8 | Contents
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book.book Page 9 Wednesday, April 11, 2012 4:13 PM Before You Begin 1 Turn Off Your Computer and Connected Devices CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. 1 Save and close all open files and exit all open programs. 2 Click Start and click Shut down. Microsoft Windows shuts down and then the computer turns off. NOTE: If you are using a different operating system, see the documentation of your operating syst
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book.book Page 10 Wednesday, April 11, 2012 4:13 PM CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking tabs or thumb-screws that you must disengage before disconnecting the cable. When disconnecting cables, keep them evenly aligned to avoid bending any connector pins. When connecting cables, ensure that the connectors and ports are correctly oriented and aligned. CAUTION: To disconnect a netw
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book.book Page 11 Wednesday, April 11, 2012 4:13 PM After Working Inside Your Computer 2 After you complete replacement procedures, ensure the following: • Replace all screws and ensure that no stray screws remain inside your computer • Connect any external devices, cables, cards, and any other part(s) you removed before working on your computer • Connect your computer and all attached devices to their electrical outlets CAUTION: Before turning on your computer, replace all screws and ensur
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book.book Page 12 Wednesday, April 11, 2012 4:13 PM 12 | After Working Inside Your Computer
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book.book Page 13 Wednesday, April 11, 2012 4:13 PM Removing the Switch 3 WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure 1 Slide the switch release latch to the side. The switch pops up. 2 Lift the switch off the computer. 3 2 1 1 display cover
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book.book Page 14 Wednesday, April 11, 2012 4:13 PM 14 | Removing the Switch
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book.book Page 15 Wednesday, April 11, 2012 4:13 PM Replacing the Switch 4 WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure 1 Align the tabs at the bottom of the switch with the slots on the display cover and snap the switch into place. NOTE: E
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book.book Page 16 Wednesday, April 11, 2012 4:13 PM 16 | Replacing the Switch
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book.book Page 17 Wednesday, April 11, 2012 4:13 PM Removing the Battery 5 WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure 1 Close the display and turn the computer over. 2 Slide the battery release latches to the unlock position. 3 Lift the batt
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book.book Page 18 Wednesday, April 11, 2012 4:13 PM 18 | Removing the Battery
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book.book Page 19 Wednesday, April 11, 2012 4:13 PM Replacing the Battery 6 WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure 1 Align the tabs on the battery with the slots on the battery bay and snap the battery until it clicks into place. 2 Foll
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book.book Page 20 Wednesday, April 11, 2012 4:13 PM 20 | Replacing the Battery
