Contents 1 Before working inside your computer..................... 8 Before you begin ...................................8 Safety instructions.................................8 Recommended tools................................9 Screw list....................................9 2 After working inside your computer....................11 3 Removing the base cover......................12 Procedure....................................12 4 Replacing the base cover......................14 Procedure....................................14 5 Removing the battery......................... 15 Prerequisites..................................
Page 4
Procedure..................................... 25 Post-requisites..................................25 13 Removing the wireless card....................... 26 Prerequisites..................................26 Procedure..................................... 26 14 Replacing the wireless card......................27 Procedure..................................... 27 Post-requisites..................................28 15 Removing the keyboard daughter-board..................29 Prerequisites..................................29 Procedure..................................... 29 16 Replacing the keyboard daughter-board..................30 Procedure..................................... 30 Post-requisites..................................30 17 Removing the speakers......................31 Prerequisites..................................
Page 5
Procedure..................................... 40 Post-requisites..................................40 25 Removing the status-light board....................41 Prerequisites..................................41 Procedure....................................41 26 Replacing the status-light board....................43 Procedure..................................... 43 Post-requisites..................................43 27 Removing the touchpad......................44 Prerequisites..................................44 Procedure..................................... 44 28 Replacing the touchpad......................46 Procedure..................................... 46 Post-requisites..................................46 29 Removing the I/O board......................47 Prerequisites..................................47 Procedure.....................................
Page 6
Procedure.....................................60 Post-requisites..................................60 Entering the Service Tag in the BIOS setup program....................60 37 Removing the display panel......................61 Prerequisites..................................61 Procedure....................................61 38 Replacing the display panel....................... 63 Procedure..................................... 63 Post-requisites..................................63 39 Removing the palm-rest and keyboard assembly................. 64 Prerequisites..................................64 Procedure.....................................
Page 7
Clearing BIOS (System Setup) and System passwords...................86 51 Troubleshooting........................87 Flashing the BIOS................................87 Enhanced Pre-Boot System Assessment (ePSA) diagnostics..................87 Running the ePSA Diagnostics.............................87 System diagnostic lights..............................88 Flea power release................................89 WiFi power cycle................................. 89 52 Getting help and contacting Dell....................90 Contents...
You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that shipped with the product or at www.dell.com/regulatory_compliance.
disconnecting cables, keep them evenly aligned to avoid bending any connector pins. When connecting cables, ensure that the ports and connectors are correctly oriented and aligned. CAUTION: Press and eject any installed card from the media-card reader. NOTE: The color of your computer and certain components may appear differently than shown in this document. Recommended tools The procedures in this document may require the following tools: •...
Page 10
Component Secured to Screw type Quantity Screw image Sensor board Display panel M2.5x2.5 Before working inside your computer...
After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1. Replace all screws and ensure that no stray screws remain inside your computer. 2. Connect any external devices, peripherals, or cables you removed before working on your computer. 3.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure Procedure 1. Close the display and turn the computer over.
Page 13
Figure 2. Base cover a. plastic scribe b. palm-rest assembly c. base cover Removing the base cover...
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure Procedure 1. Align the base cover with the palm-rest assembly and snap it into place.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure...
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Page 18
Figure 5. Memory module a. securing clips (2) b. memory module c. memory-module slot Removing the memory modules...
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state.
Page 22
7. pull tab 5. Disconnect the interposer from the hard-drive assembly. Figure 8. Hard drive a. interposer b. hard-drive assembly 6. Remove the four screws (M3x3) that secure the hard-drive bracket to the hard drive. 7. Lift the hard-drive bracket off the hard drive. Figure 9.
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. Topics: •...
After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that you note the BIOS setup program’s settings before removing the coin-cell battery.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites...
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites...
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor. NOTE: If either the system board or the heat sink is replaced, use the thermal pad/paste provided in the kit to ensure that thermal conductivity is achieved.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Page 39
5. screw (M2x3.5) 6. palm-rest assembly Removing the power and volume-buttons board...
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Page 45
3. latch 4. touchpad cable 5. keyboard daughter-board 6. palm-rest assembly 3. Peel off the pieces of tape that secure the touchpad to the palm-rest assembly. 4. Remove the four screws (M2x2) that secure the touchpad bracket to the palm-rest assembly. 5.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Page 51
5. Remove the four screws (M2.5x2.5) that secure the display assembly to the palm-rest assembly. Figure 24. Display assembly 1. display assembly 2. screws (4) 3. display hinges (2) 4. palm-rest assembly 6. Lift the display assembly off the palm-rest assembly. Figure 25.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites...
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Page 54
5. palm-rest assembly Removing the power-adapter port...
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.
Page 57
Figure 27. System board 1. I/O-board cable 2. display cable 3. tape (3) 4. touch-screen cable 5. system board 3. Open the latches to disconnect the display cable and the touch-screen board-cable from the system board. 4. Open the latch to disconnect the I/O-board cable from the system board. 5.
Page 58
Figure 28. System board 1. display cable 2. touch-screen cable 3. tape 4. power adapter port-cable 5. speaker cable 6. latch 7. keyboard daughter-board cable 8. hard-drive cable 9. I/O-board cable 10. tape 8. Remove the three screws (M2x2 Big Head) that secure the system board to the palm-rest assembly. 9.
Page 59
b. system board c. palm-rest assembly Removing the system board...
1. Turn on or restart your computer. 2. Press F2 when the Dell logo is displayed to enter the BIOS setup program. 3. Navigate to the Main tab and enter the Service Tag in the Service Tag Input field.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Page 62
4. Remove the camera. 5. Remove the sensor board. After performing the above steps, we are left with the display panel. Figure 31. Display panel a. display panel Removing the display panel...
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Page 65
Figure 32. Palm rest 1. palm rest Removing the palm-rest and keyboard assembly...
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure Place the palm-rest and keyboard assembly on a flat surface with the keyboard facing down.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure Place the display back-cover and antenna assembly on a flat surface.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1.
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Topics: • Procedure • Post-requisites Procedure 1.
Downloading drivers Downloading the audio driver 1. Turn on your computer. 2. Go to www.dell.com/support. 3. Click or tap Product support, enter the Service Tag of your computer and then click or tap Submit. NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.
8. Double-click or double-tap the driver file icon and follow the on-screen instructions to install the driver. Downloading the media-card reader driver 1. Turn on your computer. 2. Go to www.dell.com/support. 3. Click or tap Product Support, enter the Service Tag of your computer, and then click or tap Submit. NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.
Boot Sequence Boot sequence enables you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self-Test (POST), when the Dell logo appears, you can: •...
Entering BIOS setup program 1. Turn on (or restart) your computer. 2. During POST, when the DELL logo is displayed, watch for the F2 prompt to appear, and then press F2 immediately. NOTE: The F2 prompt indicates that the keyboard is initialized. This prompt can appear very quickly, so you must watch for it, and then press F2.
Page 82
General-System Information Processor ID Displays the processor identification code. Current Clock Speed Displays the current processor clock speed. Minimum Clock Speed Displays the minimum processor clock speed. Maximum Clock Speed Displays the maximum processor clock speed. Processor L2 Cache Displays the processor L2 Cache size. Processor L3 Cache Displays the processor L3 Cache size.
Page 83
System Configuration Enable External USB Port Enable or disable booting from USB mass storage devices connected to external USB port. USB PowerShare Enable or disable charging external devices through the USB PowerShare port. Audio Enable or disable the integrated audio controller. Keyboard Illumination Configure the operating mode of the keyboard illumination feature.
Page 84
Intel Software Guard Extensions Default: Enabled. Intel SpeedStep Enable or disable Intel Speedstep Technology. Default: Enabled. NOTE: If enabled, the processor clock speed and core voltage are adjusted dynamically based on the processor load. C-States Control Enable or disable additional processor sleep states. Default: Enabled.
SupportAssist System Resolution Auto OS Recovery Threshold Control the automatic boot flow for SupportAssist System Resolution Console and for Dell OS Recovery tool. SupportAssist OS Recovery Enable or disable the boot flow for SupportAssist OS Recovery tool in the even of certain system errors.
4. Wait for one minute. 5. Connect the coin-cell battery. 6. Replace the battery. 7. Replace the base cover. Clearing BIOS (System Setup) and System passwords Contact Dell technical support to clear the forgotten passwords. For more information, see www.dell.com/contactdell. System setup...
Invoke diagnostics boot by either of the methods that are suggested below: 1. Power on the computer. 2. As the computer boots, press the F12 key when the Dell logo is displayed. 3. In the boot menu screen, use Up/Down arrow key to select the Diagnostics option and then press Enter.
Note the error code and contact Dell. System diagnostic lights Power and battery-status light/hard-drive activity light: Indicates the battery-charge status or the hard-drive activity. NOTE: Press Fn+H to toggle this light between power and battery-status light and hard-drive activity light.
Flea power release Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been removed. The following procedure list the steps to conduct a flea power release for the computer. 1.
Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 16. Self-help resources. Information about Dell products and services www.dell.com Windows 8.1 and Windows 10 Dell Help & Support app...