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Dell Inspiron M5040/15-N5040/ 15-N5050 Owner’ s Manual Regulatory model: P18F Regulatory type: P18F001; P18F002; P18F003.
Notes, Cautions, and W arnings NOTE: A NOTE indicates important information that helps you make b etter use of your computer . CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WAR N IN G: A WARNING indicates a potential for property damage, personal injury , or death.
Contents 3 Contents 1 Before Y ou Begin . . . . . . . . . . . . . . . . . . . . 9 Recommended T ools . . . . . . . . . . . . . . . . . . . . 9 T urning Off Y our Computer . . . . . . . . . . . . . . . . . 9 Before W orking Inside Y our Computer . . . .
4 Contents Replacing the Optical Drive . . . . . . . . . . . . . . . 24 6 Wireless Mini-Card . . . . . . . . . . . . . . . . 25 Removing the Mini-Card . . . . . . . . . . . . . . . . . 25 Replacing the Mini-Card . . . . . . . . . . . . . . . . . 27 7 Palm-Rest Assembly .
Contents 5 11 USB Board . . . . . . . . . . . . . . . . . . . . . . . . 43 Removing the USB Board . . . . . . . . . . . . . . . . 43 Replacing the USB Board . . . . . . . . . . . . . . . . 44 12 Thermal Cooling Assembly . . . . . . . . . . . 45 Removing the Thermal Cooling Assembly .
6 Contents Removing the Displa y Panel . . . . . . . . . . . . 60 Replacing the Display Panel . . . . . . . . . . . . 63 16 Camera Module . . . . . . . . . . . . . . . . . . . 65 Removing the Camera Module . . . . . . . . . . . . . . 65 Replacing the Camera Module .
Contents 7.
8 Contents.
Before Y ou Begin 9 1 Before Y ou Begin This manual provides proced ures for removing and installing components in your computer . Befor e you begin any pr ocedur e in this book, e nsure that: • Y ou have performed the steps in "T urning Off Y our Computer" on p age 9 and "Before W orking Inside Y our Computer" on page 10.
10 Before Y ou Begin Before W orking Inside Y our Computer Use the following safety guidelines to he lp protect your computer from potential damage and to ensure your own personal safety . WAR N IN G: Before working inside your comput er , read the safety information that shipped with your computer .
Before Y ou Begin 11 6 Disconnect all attached devices from your computer . CAUTION: T o help prevent damage to the sy stem board, remove the main battery, see "Removing the Battery" on page 13, before working inside the comp uter . 7 Remove the battery .
12 Before Y ou Begin.
Battery 13 2 Battery WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .dell.com/regulatory_compliance.
14 Battery Replacing the Battery 1 F ollow the instructions in "Before Y ou Begin" on page 9. 2 Slide the battery into the battery bay until it clicks into place.
Keyboard 15 3 Keyboard WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .dell.com/regulatory_compliance.
16 Keyboard CAUTION: The keycaps on the keyboard ar e fragile, easily dislodged, and time-consuming to replace. Be careful when removing and handlin g the keyboard.
Keyboard 17 Replacing the Keyboard 1 F ollow the instructions in "B efor e Y ou Begin" on page 9. 2 Slide the keyboard cable into the co nnector on the system boar d. Pr ess down on the connector latch to secure the k eyboard cable to the connector on the system board.
18 Keyboard.
Memory 19 4 Memory Module(s) WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .dell.com/regulatory_compliance.
20 Memory Replacing the Memory Module(s) CAUTION: If you need to install memory m odules in two connectors, install a memory module in the connector labeled “D IMM A” before you install a memory module in the c onnector labeled “DIMM B.” 1 F ollow the instructions in "Before Y ou Begin" on page 9.
Memory 21 4 Replace the keyboar d. See "Replacing the Keyboar d" on page 17. 5 Replace the battery , see "Replacing th e Battery" on page 14, or connect the AC adapter to your computer and an electrical outlet.
22 Memory.
Optical Drive 23 5 Optical Drive WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .dell.com/regulatory_compliance.
24 Optical Drive Replacing the Optical Drive 1 F ollow the instructions in "Before Y ou Begin" on page 9. 2 Slide the optical drive into the optica l-drive compartment until it is fully seated. 3 Replace the screw that secur es the optical drive to the computer base.
Wireless Mini-Card 25 6 Wireless Mini-Card WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .
26 Wireless Mini-Card 6 Lift the Mini-Card out of the connecto r on the system boar d. 1 screw 2 antenna cables (2) 3 Mini-Card 2 1 3.
Wireless Mini-Card 27 CAUTION: When the Mini-Card is not in t he computer , store it in protective antistatic packaging. For more information, see "Protecting Against Electrostatic Discharge" in the safety informati on that shipped with your computer .
28 Wireless Mini-Card 4 P ress the other end of the Mini-Card down into the slot on the system board and r eplace the screw that secur es the Mini-Card to the system board. 5 Connect the appropriate antenna cables to the Mini-Card you ar e installing.
Palm-Rest Assembly 29 7 Palm-Rest Assembly WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .
30 Palm-Rest Assembly 4 Remove the keyboar d. See "Removing the K eyboar d" on page 15. 5 Remove the two screws on the palm-r est assembly . CAUTION: Pull on the plastic tab on top of the connectors to avoid damaging the connectors.
Palm-Rest Assembly 31 CAUTION: Carefully separate the palm rest fr om the computer base to avoid damage to the palm rest. 7 Using a plastic scribe, carefully pry out the palm-rest as sembly and then ease the palm-rest assembly from the computer base 8 Lift the palm-rest assembly off the computer base.
32 Palm-Rest Assembly 9 Remove the power button boar d. See "Removing the P ower Button Board" on page 35. Replacing the Palm-Rest Assembly 1 F ollow the instructions in "Before Y ou Begin" on page 9. 2 Replace the power button boar d.
Palm-Rest Assembly 33 7 Replace the 11 screws that secure the palm-rest assembly to the computer base. 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 .
34 Palm-Rest Assembly.
Power Button Board 35 8 Power Button Board WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .
36 Power Button Board Replacing the Power Button Board 1 F ollow the instructions in "Before Y ou Begin" on page 9. 2 Using the alignment post, place the po wer button board on the palm rest assembly and snap it into place. 3 Replace the screw that secur es the power butt on board to the palm rest.
Hard Drive 37 9 Hard Drive WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .dell.com/regulatory_compliance.
38 Hard Drive 4 F ollow the instructions from step 3 to step 8 in "Removing the P alm-Rest Assembly" on page 29. 5 Slide the hard drive to the right to di sconnect it from the connector on the system boar d. 6 Lift the hard drive out of the computer base.
Hard Drive 39 Replacing the Hard Drive 1 F ollow the instructions in "B efor e Y ou Begin" on page 9. 2 Remove the new hard drive from its packaging. Save the original packaging for st oring or shipping the hard drive. 3 Place the hard drive on the computer base.
40 Hard Drive.
Coin-Cell Battery 41 10 Coin-Cell Battery WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .
42 Coin-Cell Battery Replacing the Coin-Cell Battery 1 F ollow the instructions in "Before Y ou Begin" on page 9. 2 W ith the positive side up, snap the co in-cell battery into the battery socket on the system board. 3 F ollow the instructions from step 3 to step 7 in "Replacing the P alm-Rest Assembly" on page 32.
USB Board 43 11 USB Board WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .dell.com/regulatory_compliance.
44 USB Board Replacing the USB Board 1 F ollow the procedures in "Befor e Y ou Begin" on page 9. 2 Slide the connectors on the USB boar d in to the slots on the computer base and snap the USB boar d into place . 3 Slide the USB-board cable into the connector on the USB board.
Thermal Cooling Assembly 45 12 Thermal Cooling Assembly WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .
46 Thermal Cooling Assembly Replacing the Thermal Cooling Assembly 1 F ollow the instructions in "Before Y ou Begin" on page 9. 2 Align the four captive scr ews on th e thermal cooling assembly with the screw holes on the sys tem board and ti ghten the screws in sequential or der (indicated on the ther mal cooling assembly).
Processor Module (For Inspir on 15-N5050/15- N5040 Only) 47 13 Processor Module (For Inspiron 15-N5050/15-N5040 Only) WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .
48 Processor Module (For Inspir on 15-N5050/15-N5040 Only) CAUTION: When r emoving the processor module, pull the module straight up. Be careful not to bend the pins on the processor module. 6 Lift the processor module from the ZIF sock et. Replacing the Processor Module 1 F ollow the instructions in "Before Y ou Begin" on page 9.
Processor Module (For Inspiron 15-N5050/15-N5040 Only) 49 2 Align the pin-1 corner of the processor module with the pin-1 corner of the ZIF socket, then insert the processor module. NOTE: The pin-1 corner of the processor module has a triangle tha t aligns with the triangle on the pin-1 corner of the ZIF socket.
50 Processor Module (For Inspir on 15-N5050/15-N5040 Only).
Hinge Cover 51 14 Hinge Cover WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .dell.com/regulatory_compliance.
52 Hinge Cover 4 T urn the computer over . 5 P ry the hinge cover off the computer base. 1.
Hinge Cover 53 Replacing the Hinge Cover 1 F ollow the instructions in "B efor e Y ou 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 T urn the computer over . 4 Replace the scr ew that secur es the hinge cover to the compute r base.
54 Hinge Cover.
Display 55 15 Display WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .dell.com/regulatory_compliance.
56 Display 4 F ollow the instructions from step 3 to step 8 in "Removing the P alm-Rest Assembly" on page 29. 5 Remove the hinge cover . See "Removing the Hinge Cover" on page 51. 6 Disconnect the display cable from the connector on the system board.
Display 57 7 Disconnect the Mini-Card antenna ca bles from the connectors on the Mini-Card. See "Removing the Mini-Card" on page 25. 8 Make a note of the display cable and Mini-Card antenna cables routing and remove the cables from the routing guides.
58 Display Replacing the Di splay Assembly 1 F ollow the instructions in "Before Y ou Begin" on page 9. 2 Place the display assembl y in position and replace the four screws (two on each side) th at secure the displa y assembly to the computer base.
Display 59 8 Replace the two screws to the computer base. 9 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 .
60 Display Replacing the Display Bezel 1 F ollow the instructions in "Before Y ou Begin" on page 9. 2 Realign the display b ezel over the display panel and gentl y snap into place. 3 Replace the display assembly . See "R eplacing the Display Assembly" on page 58.
Display 61 7 Lift the display panel off the displa y cover . 8 Remove the four screws (two on each side) that secur e the display-panel brackets to the display panel.
62 Display 9 T urn the di splay panel over and place it on a clean surface. 10 P eel and lift the tape that secures the display cable to the display-board connector and disconnect th e display cable. 11 Make a note of the display cable rout ing and peel the cable from the back of the display panel.
Display 63 Replacing the Display Pa nel 1 F ollow the instructions in "B efor e Y ou Begin" on page 9. 2 Attach the display cable to th e back of the display panel. 3 Connect the display cable to the display-board connector and secure it with the tape.
64 Display.
Camera Module 65 16 Camera Module WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .dell.com/regulatory_compliance.
66 Camera Module Replacing the Camera Module 1 F ollow the instructions in "Before Y ou Begin" on page 9. 2 Connect the camera cable to the connector on the camera module. 3 Use the alignment posts on the display cover to snap the camera module into position.
Sy stem Board 67 17 Sy stem Board WAR N IN G: Before working inside your computer , read the safety information that shipped with your computer . For additiona l safety best practices information, see the Regulatory Compliance Homepage at www .dell.com/regulatory_compliance.
68 Sy stem Board 10 Remove the processor . See "Removing the Processor Module" on page 47. 11 Remove the Mini-Card. See "Removing the Mini-Car d" on page 25. 12 Disconnect the spea kers cable, USB-board cable, microphone cable, and AC-adapter cable from the conn ectors on the system board.
Sy stem Board 69 Replacing the Sy stem Board 1 F ollow the instructions in "B efor e Y ou Begin" on page 9. 2 Slide the connectors on the system bo ar d into the slots on the computer base. 3 Replace the two screws that secur e th e system board to the computer base.
70 Sy stem Board 9 F ollow the instructions from step 3 to step 7 in "Replacing the P alm-Rest Assembly" on page 32. 10 Replace the optical drive. See "Repla cing the Optical Drive" on page 24. 11 Replace the memory module. See "Rep lacing the Memory Module(s)" on page 20.
Flashing the BIOS 71 18 Flashing the BIOS The BIOS may require flashing when an update is avai lable or when replacing the system board. T o flash the BIOS: 1 T urn on the computer .
72 Flashing the BIOS 8 Double-click the fil e icon on the desktop and follow the instructions on the screen..
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