Dell Inspiron 15 (5548, Early 2015) User Manual

Inspiron 155000 SeriesService ManualComputer Model: Inspiron 5548Regulatory Model: P39FRegulatory Type: P39F001

• Philips screwdriver• Plastic scribe10

After Working Inside Your ComputerCAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.1 Replace all screws

Removing the Base CoverWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

3 Using a plastic scribe, pry the base cover off the base frame.1 plastic scribe 2 notch3 base cover13

Replacing the Base CoverWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Replacing the BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Removing the Hard DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

2 Using the pull tab, slide the hard-drive assembly out of the base frame.1 pull tab 2 screws (4)3 hard-drive assembly3 Disconnect the hard-drive ca

5 Lift the hard drive off the hard-drive bracket .1 screws (4) 2 hard-drive bracket19

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates

Replacing the Hard DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Memory ModulesWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Procedure1 Using your fingertips, pry apart the securing clips on each end of the memory-module slot until the memory module pops up.1 memory-module

Replacing the Memory ModulesWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the s

Removing the Wireless CardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

4 Lift the wireless card, and then slide and remove it from the system board.1 screw 2 wireless-card bracket3 antenna cables (2) 4 wireless card25

Replacing the Wireless CardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Removing the FanWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Befo

4 Note the display-cable routing and remove the cable from the routing guides.1 routing guide 2 display cable5 Disconnect the fan cable from the sys

7 Remove the screws that secure the fan to the base frame.1 fan cable 2 fan3 screws (2)8 Lift the fan off the base frame.29

ContentsBefore Working Inside Your Computer...8Before You Begin ...

Replacing the FanWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Bef

Removing the KeyboardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

2 Using a plastic scribe, gently release the tabs that secure the keyboard to the palm-rest assembly.1 keyboard 2 tabs (6)3 plastic scribe3 Carefull

4 Lift the latches and disconnect the keyboard cable and the keyboard-backlight cable from the system board.NOTE: The keyboard-backlight cable is pre

Replacing the KeyboardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

NOTE: Keyboard-backlight cable is present only on a backlit-keyboard.1 Place the keyboard on a flat and clean surface.1 keyboard cable 2 keyboard-bac

3 Using the alignment line, gently fold the keyboard cable.1 keyboard cable 2 alignment linePost-requisites1 Replace the battery.36

2 Replace the base cover.37

Removing the Base FrameWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

2 Lift the latches and disconnect the status-light cable and touchpad cable from the system board.1 status-light cable 2 latch3 touchpad cable39

Removing the Memory Modules...21Prerequisites...

3 Remove the screws that secure the base frame to the palm-rest assembly.1 palm-rest assembly 2 screws (10)4 Close the display and turn the computer

5 Remove the screws that secure the base frame to the palm-rest assembly.1 screws (9) 2 base frame6 Using your fingertips, starting from the rear, p

Replacing the Base FrameWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Coin-Cell BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

Procedure1 Disconnect the coin-cell battery cable from the system board.1 coin-cell battery 2 coin-cell battery cable2 Peel off the coin-cell batter

Replacing the Coin-Cell BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

Removing the Heat SinkWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

Procedure1 In sequential order (as indicated on the heat sink), remove the screws that secure the heat sink to the system board.1 screws (6) 2 proces

Replacing the Heat SinkWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the I/O BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

Removing the Base Frame... 38Prerequisites...

2 Lift the I/O board off the palm-rest assembly.1 screw 2 I/O board50

Replacing the I/O BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the SpeakersWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

3 Lift the speakers, along with the speaker cable, off the palm-rest assembly.1 speaker cable 2 speakers (2)53

Replacing the SpeakersWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

Removing the Status-Light BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

4 Lift the status-light board, along with the cable, off the palm rest.1 screw 2 status-light board56

Replacing the Status-Light BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the Power-Adapter PortWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

3 Pry the power-adapter port out of the slot on the palm rest.1 power-adapter port cable 2 power-adapter port59

Removing the Speakers...52Prerequisites...

Replacing the Power-Adapter PortWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the System BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the step

2 Peel off the antenna cable from the system board.1 power-adapter port cable 2 antenna cable3 speaker cable 4 hard-drive cable3 Remove the screws t

5 Lift the system board off the palm-rest assembly.1 screws (2) 2 system board63

Replacing the System BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

3 Route the antenna cable, avoiding the edge of the palm rest and the chip, and adhere it to the system board.CAUTION: To avoid damaging your compute

Removing the Display AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

2 Remove the screws that secure the display hinges to the palm-rest assembly.1 screws (3) 2 display hinges (2)3 Rotate the palm-rest assembly upward

4 Slide out and remove the palm-rest assembly off the display hinges.1 palm-rest assembly 2 display assembly1 display assembly68

Replacing the Display AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

Removing the Display Assembly...66Prerequisites...

4 Route the antenna cable, avoiding the edge of the palm rest and the chip, and adhere it to the system board.CAUTION: To avoid damaging your compute

Removing the Palm RestWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

Procedure1 Remove the screws that secure the system board to the palm rest.1 screws (2) 2 system board72

2 Lift the system board from the inner edge and release the ports from the slots on the palm rest .1 screws (2) 2 system board1 palm rest73

Replacing the Palm RestWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Flashing the BIOSYou may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS:1 Turn o

Getting Help and Contacting DellSelf-Help ResourcesYou can get information and help on Dell products and services using these online self-help resourc

NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product

Before Working Inside Your ComputerCAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contact

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Reg