Dell 15 (3520)- User Manual

2 Battery 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 technician should per...

3 1 2 1 battery release latch 2 battery 3 battery lock latch 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. Battery 14

3 Keyboard 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 technician should pe...

2 1 keyboard cable 2 keyboard 1 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 th...

5 Optical Drive 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 technician shou...

1 2 3 4 1 plastic scribe 2 screw 3 optical drive 4 notch Replacing the Optical Drive 1 Follow 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 com...

6 Wireless Mini-Card 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 technician...

CAUTION: When the Mini-Card is not in the computer, store it in protective antistatic packaging. For more information, see "Protecting Against Electrostatic Discharge" in the safety information that shipped with your computer. Replacing the Mini-Card 1 Follow the instructions in "Before ...

7 Palm-Rest Assembly 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 technician...

1 2 1 palm-rest assembly 2 plastic scribe 9 Remove the power button board. See "Removing the Power Button Board" on page 35. 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 Butt...

8 Power Button Board 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 technician...

5 4 2 1 3 1 alignment post 2 tabs (2) 3 power-button board cable 4 power button board 5 screw Replacing the Power Button Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Using the alignment post, place the power button board on the palm rest assembly and snap it into place....

9 Hard Drive 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. WARNING: If you remove the hard drive from the compu...

1 1 hard drive Replacing the Hard Drive 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the new hard drive from its packaging. Save the original packaging for storing or shipping the hard drive. 3 Place the hard drive on the computer base. 4 Push the hard drive towards th...

10 Coin-Cell Battery 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 technician...

1 2 1 plastic scribe 2 coin-cell battery Replacing the Coin-Cell Battery 1 Follow the instructions in "Before You Begin" on page 9. 2 With the positive side up, snap the coin-cell battery into the battery socket on the system board. 3 Follow the instructions from step 3 to step 7 in "Rep...

11 USB Board 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: To avoid electrostatic discharge, ground yo...

1 2 3 1 USB-board cable 2 USB board 3 tabs (2) Replacing the USB Board 1 Follow the procedures in "Before You Begin" on page 9. 2 Slide the connectors on the USB board into the slots on the computer base and snap the USB board into place. 3 Slide the USB-board cable into the connector on the...

12 Thermal Cooling Assembly 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 tec...

2 1 3 4 1 captive screws (4) 2 thermal cooling assembly 3 fan cable 4 display cable Replacing the Thermal Cooling Assembly 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the four captive screws on the thermal cooling assembly with the screw holes on the system board and t...

13 Processor Module (For Inspiron 15-N5050/15-N5040 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...

6 CAUTION: When removing the processor module, pull the module straight up. Be careful not to bend the pins on the processor module. Lift the processor module from the ZIF socket. 2 3 1 1 processor module 2 ZIF socket 3 ZIF-socket cam screw Replacing the Processor Module 1 Follow the instructions in...

14 Hinge Cover 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 technician shoul...

1 hinge cover Replacing the Hinge Cover 1 Follow 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 screw that secures the hinge cover to the co...

15 Display 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 technician should pe...

1 2 1 display assembly 2 screws (4) Replacing the Display Assembly 1 Follow the instructions in "Before You Begin" on page 9. 2 Place the display assembly in position and replace the four screws (two on each side) that secure the display assembly to the computer base. 3 Route the display cab...

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. Failure to do so may result in damage to the computer. Display...

Replacing the Display Bezel 1 Follow the instructions in "Before You Begin" on page 9. 2 Realign the display bezel over the display panel and gently snap into place. 3 Replace the display assembly. See "Replacing the Display Assembly" on page 58. CAUTION: Before turning on the comput...

1 2 3 1 tape 2 display-board connector 3 display cable Replacing the Display Panel 1 Follow the instructions in "Before You Begin" on page 9. 2 Attach the display cable to the back of the display panel. 3 Connect the display cable to the display-board connector and secure it with the tape. 4...

16 Camera Module 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 technician sho...

2 3 4 1 1 display cover 2 tabs (2) 3 camera module 4 camera cable Replacing the Camera Module 1 Follow the instructions in "Before You 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 ...

17 System Board 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 technician shou...

2 1 1 screws (2) 2 system board Replacing the System Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Slide the connectors on the system board into the slots on the computer base. 3 Replace the two screws that secure the system board to the computer base. 4 Connect the spea...

9 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 32. 10 Replace the optical drive. See "Replacing the Optical Drive" on page 24. 11 Replace the memory module. See "Replacing the Memory Module(s)" on page 20. 12 Replace the keyboard...

18 Flashing the BIOS The BIOS may require flashing when an update is available or when 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 Tag for your computer is locat...