Dell Inspiron 15 3521 Owner's Manual

Dell Inspiron 15 3521 Manual

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  • Dell Inspiron 15 3521 | Owner's Manual - Page 1
    Dell Inspiron 3521/5521 Owner's Manual Computer model: Inspiron 3521/5521 Regulatory model: P28F Regulatory type: P28F001
  • Dell Inspiron 15 3521 | Owner's Manual - Page 2
    of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2012 Dell Inc. Trademarks used in this text: Dell™, the DELL logo, and Inspiron™ are trademarks of Dell Inc.; Microsoft®, Windows®, and the Windows start button
  • Dell Inspiron 15 3521 | Owner's Manual - Page 3
    . . . 7 Safety Instructions 7 Recommended Tools 8 2 After Working Inside Your Computer 9 3 Removing the Battery 11 Procedure 11 4 Replacing the Battery 13 Procedure 13 Postrequisites 13 5 Removing the Memory Module(s 15 Prerequisites 15 Procedure 15 6 Replacing the Memory Module(s 17
  • Dell Inspiron 15 3521 | Owner's Manual - Page 4
    27 Prerequisites 27 Procedure 27 12 Replacing the Keyboard 29 Procedure 29 Postrequisites 29 13 Removing the Palm-Rest 31 Prerequisites 31 Procedure 31 14 Replacing the Palm-Rest 35 Procedure 35 Postrequisites 35 15 Removing the Wireless Mini-Card 37 Prerequisites 37 Procedure 38 16
  • Dell Inspiron 15 3521 | Owner's Manual - Page 5
    57 Postrequisites 57 25 Removing the Fan 59 Prerequisites 59 Procedure 60 26 Replacing the Fan 61 Procedure 61 Postrequisites 61 27 Removing the Speakers 63 Prerequisites 63 Procedure 64 28 Replacing the Speakers 67 Procedure 67 Postrequisites 67 29 Removing the Display Assembly 69
  • Dell Inspiron 15 3521 | Owner's Manual - Page 6
    Replacing the Display Bezel 77 Procedure 77 Postrequisites 77 33 Removing the Display Hinges 79 Prerequisites 79 Procedure 80 34 Replacing the Display Hinges 81 Procedure 81 Postrequisites 81 35 Removing the Display Panel 83 Prerequisites 83 Procedure 84 36 Replacing the
  • Dell Inspiron 15 3521 | Owner's Manual - Page 7
    open files and exit all open programs. 2 Follow the instructions to shut down your computer based on the operating system installed on your computer. • Windows 8: Move your mouse pointer to the upper-right or lower-right corner of the screen to open the Charms sidebar, and then click Settings→ Power
  • Dell Inspiron 15 3521 | Owner's Manual - Page 8
    the cable from your computer and then unplug the cable from the network device. CAUTION: Press and eject any installed card from the media-card reader. Recommended Tools The procedures in this document may require the following tools: • Phillips screwdriver • Plastic scribe 8 | Before You Begin
  • Dell Inspiron 15 3521 | Owner's Manual - Page 9
    After Working Inside Your Computer After you complete the 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.
  • Dell Inspiron 15 3521 | Owner's Manual - Page 10
    10 | After Working Inside Your Computer
  • Dell Inspiron 15 3521 | Owner's Manual - Page 11
    , follow the instructions in "After Working Inside Your Computer" 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 latches on each
  • Dell Inspiron 15 3521 | Owner's Manual - Page 12
    12 | Removing the Battery
  • Dell Inspiron 15 3521 | Owner's Manual - Page 13
    see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the tabs on the battery with the slots on the battery bay and snap the battery into place. Postrequisites 1 Follow the instructions in "After Working Inside Your Computer" on page 9. Replacing the Battery | 13
  • Dell Inspiron 15 3521 | Owner's Manual - Page 14
    14 | Replacing the Battery
  • Dell Inspiron 15 3521 | Owner's Manual - Page 15
    your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. Procedure
  • Dell Inspiron 15 3521 | Owner's Manual - Page 16
    fingertips to carefully spread apart the securing clips on each end of the memory-module connector until the memory module pops up. 4 Remove the memory module from the memory-module connector. 3 2 1 1 securing clips (2) 3 memory module 2 memory-module connector 16 | Removing the Memory Module(s)
  • Dell Inspiron 15 3521 | Owner's Manual - Page 17
    on the computer base and snap the memory-module cover into place. 4 Tighten the captive screw that secures the memory-module cover to the computer base. Postrequisites 1 Replace the battery. See "Replacing the Battery" on page 13. 2 Follow the instructions in "After Working Inside Your Computer" on
  • Dell Inspiron 15 3521 | Owner's Manual - Page 18
    18 | Replacing the Memory Module(s)
  • Dell Inspiron 15 3521 | Owner's Manual - Page 19
    your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. Procedure
  • Dell Inspiron 15 3521 | Owner's Manual - Page 20
    the optical-drive bracket to the optical-drive assembly. 4 Remove the optical-drive bracket from the optical-drive assembly. 5 Carefully pry the optical-drive bezel and remove it from the optical-drive assembly. 2 1 3 1 optical-drive bezel 3 screws (2) 4 2 optical drive 4 optical-drive bracket 20
  • Dell Inspiron 15 3521 | Owner's Manual - Page 21
    assembly. 4 Slide the optical-drive assembly into position and ensure that the screw hole on the optical-drive bracket aligns with the screw hole on computer base. Postrequisites 1 Replace the battery. See "Replacing the Battery" on page 13. 2 Follow the instructions in "After Working Inside Your
  • Dell Inspiron 15 3521 | Owner's Manual - Page 22
    22 | Replacing the Optical-Drive Assembly
  • Dell Inspiron 15 3521 | Owner's Manual - Page 23
    Exercise care when handling the hard drive. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. Procedure 1 Remove the screws that secure the hard-drive assembly to the computer base
  • Dell Inspiron 15 3521 | Owner's Manual - Page 24
    lift the hard-drive assembly out of the computer base. 2 1 1 hard-drive assembly 2 pull-tab 4 Remove the screws that secure the hard-drive bracket to the hard drive. 5 Lift the hard-drive bracket off the hard drive. 1 2 1 screws (2) 2 hard-drive bracket 24 | Removing the Hard-Drive Assembly
  • Dell Inspiron 15 3521 | Owner's Manual - Page 25
    the screws that secure the hard-drive assembly to the computer base. Postrequisites 1 Follow the instructions from step 3 to step 4 in "Replacing the Memory Module(s)" on page 17. 2 Replace the battery. See "Replacing the Battery" on page 13. 3 Follow the instructions in "After Working Inside Your
  • Dell Inspiron 15 3521 | Owner's Manual - Page 26
    26 | Replacing the Hard-Drive Assembly
  • Dell Inspiron 15 3521 | Owner's Manual - Page 27
    your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. Procedure
  • Dell Inspiron 15 3521 | Owner's Manual - Page 28
    3 Lift and slide the keyboard towards the display to release the keyboard from the palm-rest assembly. 4 Turn the keyboard over and place it on the palm-rest assembly. 5 Lift the connector latch and disconnect the keyboard from the connector on the system board. 6 Lift the keyboard off the palm-rest
  • Dell Inspiron 15 3521 | Owner's Manual - Page 29
    assembly and place the keyboard on the palm-rest assembly. 3 Gently press around the edges of the keyboard to secure the keyboard under the tabs on the palm-rest assembly. Postrequisites 1 Replace the battery. See "Replacing the Battery" on page 13. 2 Follow the instructions in "After Working Inside
  • Dell Inspiron 15 3521 | Owner's Manual - Page 30
    30 | Replacing the Keyboard
  • Dell Inspiron 15 3521 | Owner's Manual - Page 31
    . See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 3 Remove the optical-drive assembly. See "Removing the Optical-Drive Assembly" on page 19. 4 Remove the keyboard. See "Removing the Keyboard" on page 27. Procedure
  • Dell Inspiron 15 3521 | Owner's Manual - Page 32
    3 Turn the computer over and open the display as far as possible. 4 Lift the connector latches and pull the pull-tab to disconnect the touchpad cable and the power-button cable from the system board. 1 1 touchpad cable 3 connector latches (2) 2 3 2 power-button cable 32 | Removing the Palm-Rest
  • Dell Inspiron 15 3521 | Owner's Manual - Page 33
    5 Remove the screws that secure the palm-rest to the system board. 6 Using a plastic scribe gently lift and release the tabs on palm-rest from the slots on the computer base. CAUTION: Carefully separate the palm-rest assembly from the display assembly to avoid damage to the display assembly. 7 Lift
  • Dell Inspiron 15 3521 | Owner's Manual - Page 34
    34 | Removing the Palm-Rest
  • Dell Inspiron 15 3521 | Owner's Manual - Page 35
    the keyboard. See "Replacing the Keyboard" on page 29. 2 Replace the optical-drive assembly. See "Replacing the Optical-Drive Assembly" on page 21. 3 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 4 Replace the battery. See "Replacing the Battery" on
  • Dell Inspiron 15 3521 | Owner's Manual - Page 36
    36 | Replacing the Palm-Rest
  • Dell Inspiron 15 3521 | Owner's Manual - Page 37
    combo card. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 3 Remove the optical-drive assembly. See "Removing the Optical-Drive Assembly" on page 19. 4 Remove the keyboard. See
  • Dell Inspiron 15 3521 | Owner's Manual - Page 38
    cables from the connectors on the wireless mini-card. 2 Remove the screw that secures the wireless mini-card to the system-board connector. 1 3 2 1 screw 3 wireless mini-card 2 antenna cables (2) 3 Slide and remove the wireless mini-card out of the system-board connector. 2 1 1 wireless mini
  • Dell Inspiron 15 3521 | Owner's Manual - Page 39
    your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless mini-card, ensure that no cables
  • Dell Inspiron 15 3521 | Owner's Manual - Page 40
    35. 2 Replace the keyboard. See "Replacing the Keyboard" on page 29. 3 Replace the optical-drive assembly. See "Replacing the Optical-Drive Assembly" on page 21. 4 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 5 Replace the battery. See "Replacing the
  • Dell Inspiron 15 3521 | Owner's Manual - Page 41
    1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 3 Remove the optical-drive assembly. See "Removing the Optical-Drive Assembly" on page 19. 4 Remove the keyboard. See "Removing the Keyboard" on
  • Dell Inspiron 15 3521 | Owner's Manual - Page 42
    Procedure 1 Remove the screw that secures the I/O board to the computer base. 2 Use the pull-tab to disconnect the I/O board cable from the connector on the system board. 3 Gently lift and remove the I/O board off the computer base. 3 1 1 I/O board 3 screw 2 2 I/O board cable 42 | Removing the
  • Dell Inspiron 15 3521 | Owner's Manual - Page 43
    35. 2 Replace the keyboard. See "Replacing the Keyboard" on page 29. 3 Replace the optical-drive assembly. See "Replacing the Optical-Drive Assembly" on page 21. 4 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 5 Replace the battery. See "Replacing the
  • Dell Inspiron 15 3521 | Owner's Manual - Page 44
    44 | Replacing the I/O Board
  • Dell Inspiron 15 3521 | Owner's Manual - Page 45
    correctly after you replace the system board. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 3 Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly" on page
  • Dell Inspiron 15 3521 | Owner's Manual - Page 46
    the display cable from the connector on the system board. 3 Disconnect the power adapter-port cable, speaker cable, and the I/O board cable from the system board. 5 1 2 3 4 1 display cable 3 power-adapter-port cable 5 I/O board cable 2 tape 4 speaker cable 46 | Removing the System Board
  • Dell Inspiron 15 3521 | Owner's Manual - Page 47
    4 Remove the screw that secures the system board to the computer base. 5 Lift the system board off the computer base. 1 system board 2 1 screw Removing the System Board | 47
  • Dell Inspiron 15 3521 | Owner's Manual - Page 48
    48 | Removing the System Board
  • Dell Inspiron 15 3521 | Owner's Manual - Page 49
    the Hard-Drive Assembly" on page 25. 6 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 7 Replace the battery. See "Replacing the Battery" on page 13. 8 Follow the instructions in "After Working Inside Your Computer" on page 9. Entering the Service Tag
  • Dell Inspiron 15 3521 | Owner's Manual - Page 50
    50 | Replacing the System Board
  • Dell Inspiron 15 3521 | Owner's Manual - Page 51
    the BIOS settings before removing the coin-cell battery. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 3 Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly
  • Dell Inspiron 15 3521 | Owner's Manual - Page 52
    Procedure 1 Turn the system board over and place it on a flat surface. 2 Using a plastic scribe, gently pry out the coin-cell battery out of the battery socket on the system board. 1 plastic scribe 1 2 2 coin-cell battery 52 | Removing the Coin-Cell Battery
  • Dell Inspiron 15 3521 | Owner's Manual - Page 53
    . See "Replacing the Optical-Drive Assembly" on page 21. 5 Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on page 25. 6 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 7 Replace the battery. See "Replacing the Battery" on page
  • Dell Inspiron 15 3521 | Owner's Manual - Page 54
    54 | Replacing the Coin-Cell Battery
  • Dell Inspiron 15 3521 | Owner's Manual - Page 55
    Compliance Homepage at dell.com/regulatory_compliance. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 1 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 2 Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly" on
  • Dell Inspiron 15 3521 | Owner's Manual - Page 56
    Procedure 1 Turn the system board over and place the system board on a flat surface. 2 In sequential order (indicated on the heat-sink), remove the screws that secure the heat-sink to the system board. 3 Lift the heat-sink off the system board. 2 1 1 screw (6) 2 fan 56 | Removing the Heat-Sink
  • Dell Inspiron 15 3521 | Owner's Manual - Page 57
    . See "Replacing the Optical-Drive Assembly" on page 21. 6 Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on page 25. 7 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 8 Replace the battery. See "Replacing the Battery" on page
  • Dell Inspiron 15 3521 | Owner's Manual - Page 58
    58 | Replacing the Heat-Sink
  • Dell Inspiron 15 3521 | Owner's Manual - Page 59
    Compliance Homepage at dell.com/regulatory_compliance. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 3 Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly" on
  • Dell Inspiron 15 3521 | Owner's Manual - Page 60
    Procedure 1 Turn the system board over and place the system board on a flat surface. 2 Disconnect the fan cable from the connector on the system board. 3 Remove the screw that secures the fan to the system board. 4 Lift the fan off the system board. 3 1 2 1 screw 3 fan cable 2 fan 60 | Removing
  • Dell Inspiron 15 3521 | Owner's Manual - Page 61
    . See "Replacing the Optical-Drive Assembly" on page 21. 6 Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on page 25. 7 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 8 Replace the battery. See "Replacing the Battery" on page
  • Dell Inspiron 15 3521 | Owner's Manual - Page 62
    62 | Replacing the Fan
  • Dell Inspiron 15 3521 | Owner's Manual - Page 63
    Compliance Homepage at dell.com/regulatory_compliance. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 3 Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly" on
  • Dell Inspiron 15 3521 | Owner's Manual - Page 64
    Procedure 1 Peel the tape that secures the LED silicon tubes to the computer base. 2 Lift and remove the LED silicon tubes off the computer base. 2 1 tape 1 2 LED silicon tubes 64 | Removing the Speakers
  • Dell Inspiron 15 3521 | Owner's Manual - Page 65
    3 Note the speaker cable routing and remove the cable from the routing guides on the computer base. 4 Lift the speakers, along with the speaker cable, off the computer base. 2 1 1 speaker cable routing 2 speakers (2) Removing the Speakers | 65
  • Dell Inspiron 15 3521 | Owner's Manual - Page 66
    66 | Removing the Speakers
  • Dell Inspiron 15 3521 | Owner's Manual - Page 67
    . See "Replacing the Optical-Drive Assembly" on page 21. 6 Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on page 25. 7 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 8 Replace the battery. See "Replacing the Battery" on page
  • Dell Inspiron 15 3521 | Owner's Manual - Page 68
    68 | Replacing the Speakers
  • Dell Inspiron 15 3521 | Owner's Manual - Page 69
    Compliance Homepage at dell.com/regulatory_compliance. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 3 Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly" on
  • Dell Inspiron 15 3521 | Owner's Manual - Page 70
    secures the display cable to the system board. 2 Disconnect the display cable from the connectors on the system board. 3 Disconnect the wireless mini-card cables from the connectors on the wireless mini-card. 1 1 display cable 2 2 wireless mini-card cables (2) 70 | Removing the Display Assembly
  • Dell Inspiron 15 3521 | Owner's Manual - Page 71
    4 Move aside the power adapter-port cable from the screws. 5 Remove the screws that secure the display assembly to the computer base. 6 Lift the display assembly off the computer base. 1 2 3 1 display assembly 3 power adapter-port cable 2 screws (3) Removing the Display Assembly | 71
  • Dell Inspiron 15 3521 | Owner's Manual - Page 72
    72 | Removing the Display Assembly
  • Dell Inspiron 15 3521 | Owner's Manual - Page 73
    . See "Replacing the Optical-Drive Assembly" on page 21. 4 Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on page 25. 5 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 6 Replace the battery. See "Replacing the Battery" on page
  • Dell Inspiron 15 3521 | Owner's Manual - Page 74
    74 | Replacing the Display Assembly
  • Dell Inspiron 15 3521 | Owner's Manual - Page 75
    Compliance Homepage at dell.com/regulatory_compliance. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 3 Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly" on
  • Dell Inspiron 15 3521 | Owner's Manual - Page 76
    Procedure 1 Press the hinge covers on the sides and lift the hinge covers to remove it from the display assembly. 1 1 hinge covers (2) 2 Using your fingertips, carefully pry up the inside edge of the display bezel. 3 Remove the display bezel off the display back-cover. 1 1 display bezel 76 |
  • Dell Inspiron 15 3521 | Owner's Manual - Page 77
    . See "Replacing the Optical-Drive Assembly" on page 21. 5 Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on page 25. 6 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 7 Replace the battery. See "Replacing the Battery" on page
  • Dell Inspiron 15 3521 | Owner's Manual - Page 78
    78 | Replacing the Display Bezel
  • Dell Inspiron 15 3521 | Owner's Manual - Page 79
    Compliance Homepage at dell.com/regulatory_compliance. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 3 Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly" on
  • Dell Inspiron 15 3521 | Owner's Manual - Page 80
    Procedure 1 Remove the screws that secure the display hinges to the display panel. 2 Lift the display hinges off the display back-cover. 1 2 1 screws (8) 2 display hinges (2) 80 | Removing the Display Hinges
  • Dell Inspiron 15 3521 | Owner's Manual - Page 81
    . See "Replacing the Optical-Drive Assembly" on page 21. 6 Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on page 25. 7 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 8 Replace the battery. See "Replacing the Battery" on page
  • Dell Inspiron 15 3521 | Owner's Manual - Page 82
    82 | Replacing the Display Hinges
  • Dell Inspiron 15 3521 | Owner's Manual - Page 83
    Compliance Homepage at dell.com/regulatory_compliance. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 3 Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly" on
  • Dell Inspiron 15 3521 | Owner's Manual - Page 84
    Procedure 1 Remove the screws that secure the display panel to the display back-cover. 2 Gently lift the display panel and turn it over. 2 1 3 1 display back-cover 3 screws (4) 2 display panel 84 | Removing the Display Panel
  • Dell Inspiron 15 3521 | Owner's Manual - Page 85
    3 Peel the tape that is adhered over the display cable. 4 Disconnect the display cable from the connector on the display panel. 1 2 1 display cable 2 tape Removing the Display Panel | 85
  • Dell Inspiron 15 3521 | Owner's Manual - Page 86
    86 | Removing the Display Panel
  • Dell Inspiron 15 3521 | Owner's Manual - Page 87
    "Replacing the Optical-Drive Assembly" on page 21. 7 Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on page 25. 8 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 9 Replace the battery. See "Replacing the Battery" on page 13. 10
  • Dell Inspiron 15 3521 | Owner's Manual - Page 88
    88 | Replacing the Display Panel
  • Dell Inspiron 15 3521 | Owner's Manual - Page 89
    Compliance Homepage at dell.com/regulatory_compliance. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 3 Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly" on
  • Dell Inspiron 15 3521 | Owner's Manual - Page 90
    Procedure 1 Remove the screw that secures the camera module to the display back-cover. 2 Disconnect the camera cable from the connector on the camera module. 3 Peel the tape that secures the camera module to the display back-cover. 4 Lift the camera module off the display back-cover. 1 1 screw 3
  • Dell Inspiron 15 3521 | Owner's Manual - Page 91
    . See "Replacing the Optical-Drive Assembly" on page 21. 6 Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on page 25. 7 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17. 8 Replace the battery. See "Replacing the Battery" on page
  • Dell Inspiron 15 3521 | Owner's Manual - Page 92
    92 | Replacing the Camera Module
  • Dell Inspiron 15 3521 | Owner's Manual - Page 93
    and Services List • Choose from a list of all Dell products b Click Continue and follow the instructions on the screen. 4 A list of results appears on the screen. Click BIOS. 5 Click Download File to download the latest BIOS file. 6 In the Please select your download method below window, click
  • Dell Inspiron 15 3521 | Owner's Manual - Page 94
    94 | Flashing the BIOS
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Dell Inspiron 3521/5521
Owner’s Manual
Computer model: Inspiron 3521/5521
Regulatory model: P28F
Regulatory type: P28F001