background image

Replacing the Display 

Assembly

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

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 dell.com/regulatory_compliance. 

Procedure

Place the palm rest at the edge of the table with the speakers facing away 

from the edge.

Align the screw holes on the display hinges with the screw holes on the 

palm rest.

Replace the screws that secure the display hinges to the palm rest.

Close the display and turn the computer over.

Connect the antenna cables to the wireless card.

Post-requisites

Replace the 

base frame

.

Replace the 

keyboard

.

Replace the 

fan

.

Replace the 

hard drive

.

Replace the 

battery

.

Replace the 

base cover

.

67

Summary of Contents for Inspiron 14 5000 Series

Page 1: ...Inspiron 14 5000 Series Owner s Manual Computer Model Inspiron 5447 Regulatory Model P49G Regulatory Type P49G001 ...

Page 2: ...problem WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2014 Dell Inc All rights reserved This product is protected by U S and international copyright and intellectual property laws Dell and the Dell logo are trademarks of Dell Inc in the United States and or other jurisdictions All other marks and names mentioned herein may be trademarks of their res...

Page 3: ...de Your Computer 10 Removing the Base Cover 11 Procedure 11 Replacing the Base Cover 12 Procedure 12 Removing the Battery 13 Prerequisites 13 Procedure 13 Replacing the Battery 14 Procedure 14 Post requisites 14 Removing the Hard Drive 15 Prerequisites 15 Procedure 16 Replacing the Hard Drive 18 Procedure 18 Post requisites 18 ...

Page 4: ...le s 22 Prerequisites 22 Procedure 23 Replacing the Memory Module s 24 Procedure 25 Post requisites 25 Removing the Fan 26 Prerequisites 26 Procedure 26 Replacing the Fan 29 Procedure 29 Post requisites 29 Removing the Keyboard 30 Prerequisites 30 Procedure 30 Replacing the Keyboard 33 Procedure 33 Post requisites 33 Folding the Keyboard Cables 33 ...

Page 5: ...nk 42 Prerequisites 42 Procedure 43 Replacing the Heat Sink 44 Procedure 44 Post requisites 44 Removing the Coin Cell Battery 45 Prerequisites 45 Procedure 46 Replacing the Coin Cell Battery 47 Procedure 47 Post requisites 47 Removing the Speakers 48 Prerequisites 48 Procedure 48 Replacing the Speakers 50 Procedure 50 Post requisites 50 ...

Page 6: ...4 Prerequisites 54 Procedure 54 Replacing the Status Light Board 58 Procedure 58 Post requisites 58 Removing the System Board 59 Prerequisites 59 Procedure 60 Replacing the System Board 63 Procedure 63 Post requisites 63 Removing the Display Assembly 64 Prerequisites 64 Procedure 65 Replacing the Display Assembly 67 Procedure 67 Post requisites 67 ...

Page 7: ...8 Prerequisites 68 Procedure 68 Replacing the Power Adapter Port 70 Procedure 70 Post requisites 70 Removing the Palm Rest 71 Prerequisites 71 Procedure 71 Replacing the Palm Rest 73 Procedure 73 Post requisites 73 Flashing the BIOS 74 ...

Page 8: ...your computer and all attached devices from their electrical outlets 4 Disconnect all cables such as telephone cables network cables and so on from your computer 5 Disconnect all attached devices and peripherals such as keyboard mouse monitor and so on from your computer 6 Remove any media card and optical disc from your computer if applicable 7 After the computer is unplugged press and hold the p...

Page 9: ... ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some cables have connectors with locking tabs or thumb screws that ...

Page 10: ... sure that no stray screws remain inside your computer 2 Connect any external devices peripherals and cables you removed before working on your computer 3 Replace any media cards discs and any other part s that you removed before working on your computer 4 Connect your computer and all attached devices to their electrical outlets 5 Turn on your computer 10 ...

Page 11: ...s in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Close the display and turn the computer over 2 Remove the screws that secure the base cover to the base frame 3 Using a plastic scribe pry the base cover out of the base frame 4 Slide and lift the base cover off the base frame 1 plastic scribe...

Page 12: ...r 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 dell com regulatory_compliance Procedure 1 Slide the tabs on the base cover into the slots on the base frame 2 Press down on the base cover to snap it in place 3 Replace the screws that secure the base cover to the base frame 12 ...

Page 13: ...tructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites Remove the base cover Procedure 1 Remove the screws that secure the battery to the base frame 2 Lift the battery off the base frame 1 screws 2 2 battery 3 Turn the computer over open the display and press the power button for five se...

Page 14: ...low the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Align the screw holes on the battery with the screw holes on the base frame and press down on the battery to connect it to the battery connector 2 Replace the screws that secure the battery to the base frame Post requisites ...

Page 15: ...r computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at 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 Prerequisites 1 Remove the base cover 2 Remove t...

Page 16: ...ssembly to the base frame 2 Gently lift the hard drive assembly out of the base frame and disconnect the hard drive cable from the hard drive 1 screws 3 2 hard drive 3 hard drive cable 3 Remove the screws that secure the hard drive bracket to the hard drive 16 ...

Page 17: ...4 Lift the hard drive bracket off the hard drive 1 screws 4 2 hard drive bracket 3 hard drive 17 ...

Page 18: ...s are fragile Exercise care when handling the hard drive Procedure 1 Place the hard drive bracket on the hard drive 2 Align the screw holes on the hard drive bracket with the screw holes on the hard drive 3 Replace the screws that secure the hard drive bracket to the hard drive 4 Connect the hard drive cable to the hard drive 5 Place the hard drive assembly in the base frame and align the screw ho...

Page 19: ...er 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 dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Disconnect the antenna cables from the wireless card 2 Remove the screw that secures the wireless card to the system board 19 ...

Page 20: ...3 Lift and slide the wireless card out of the wireless card slot 1 antenna cables 2 2 screw 3 wireless card 4 wireless card slot 20 ...

Page 21: ...ess card do not place any cables under it 1 Align the notch on the wireless card with the tab on the wireless card slot and slide the card into the slot 2 Align the screw hole on the wireless card with the screw hole on the system board 3 Replace the screw that secures the wireless card to the system board 4 Connect the antenna cables to the wireless card The following table provides the antenna c...

Page 22: ...puter and follow the steps in 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 dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery 22 ...

Page 23: ... carefully spread apart the securing clips on each end of the memory module slot until the memory module pops up 2 Slide and remove the memory module from the memory module slot 1 securing clips 2 2 memory module slot 3 memory module 23 ...

Page 24: ...ion that shipped with your computer and follow the steps in 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 dell com regulatory_compliance 24 ...

Page 25: ... the memory module firmly into the slot at an angle and press the memory module down until it clicks into place NOTE If you do not hear the click remove the memory module and reinstall it 1 memory module slot 2 tab 3 memory module Post requisites 1 Replace the battery 2 Replace the base cover 25 ...

Page 26: ...w the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Lift the latch and using the pull tab disconnect the I O board cable from the system board 2 Peel off the I O board cable from the fan 3 Disconnect the display cable f...

Page 27: ...from the routing guides 1 latch 2 display cable 3 I O board cable 4 fan 5 Disconnect the fan cable from the system board 6 Note the fan cable routing and remove the cable from the routing guides 7 Remove the screws that secure the fan to the base frame 27 ...

Page 28: ...8 Lift the fan off the palm rest 1 fan cable 2 screws 2 3 fan 28 ...

Page 29: ...ulatory_compliance Procedure 1 Place the fan on the palm rest and align the screw holes on the fan with the screw holes on the base frame 2 Replace the screws that secure the fan to the base frame 3 Route the fan cable through the routing guides and connect it to the system board 4 Route the display cable through the routing guides and connect it to the system board 5 Adhere the I O board cable to...

Page 30: ...llow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Turn the computer over and open the display 2 Using a plastic scribe pry out the keyboard from its top edge 3 Slide the keyboard toward the display to release the t...

Page 31: ...4 Turn the keyboard over and place it on the palm rest 1 plastic scribe 2 keyboard 3 tabs 31 ...

Page 32: ...tabs disconnect the keyboard cable and keyboard backlight cable from the system board NOTE The keyboard backlight cable is present only if the laptop shipped with a backlit keyboard 1 keyboard cable 2 keyboard backlight cable 3 keyboard 32 ...

Page 33: ...d For more information see Folding the Keyboard Cables 1 Slide the keyboard cable and keyboard backlight cable in their respective connectors and press down on the latches to secure the cables 2 Turn the keyboard over and place it on the palm rest 3 Slide the tabs on the keyboard into the slots on the palm rest and snap the keyboard into place Post requisites 1 Replace the battery 2 Replace the ba...

Page 34: ...is present only on a backlit keyboard 1 Place the keyboard on a flat and clean surface 1 keyboard cable 2 keyboard backlight cable 3 keyboard 2 Lift the keyboard cable and gently fold the keyboard backlight cable at the fold line 34 ...

Page 35: ...1 keyboard cable 2 keyboard backlight cable 3 fold line 35 ...

Page 36: ...3 Using the alignment line gently fold the keyboard cable 1 keyboard cable 2 keyboard backlight cable 3 alignment line 1 keyboard 2 keyboard cable 3 keyboard backlight cable 36 ...

Page 37: ...re 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 dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the hard drive 4 Remove the fan 5 Remove the keyboard 37 ...

Page 38: ...Procedure 1 Remove the screws that secure the base frame to the palm rest 1 screws 6 2 palm rest 2 Close the display and turn the computer over 38 ...

Page 39: ...secure the base frame to the palm rest 1 screws 9 2 base frame 4 Using a plastic scribe pry up the base frame 5 Lift the base frame slightly from the top edge and slide it upward to release it from the tabs of the palm rest 39 ...

Page 40: ...6 Lift the base frame off the palm rest and slide the display cable and I O board cable through the base frame 1 display cable 2 plastic scribe 3 I O board cable 4 base frame 5 tabs 40 ...

Page 41: ...e at dell com regulatory_compliance Procedure 1 Route the display cable and I O board cable through the slots on the base frame 2 Slide the base frame under the tabs on the palm rest 3 Press the base frame down along the edges to snap it into place 4 Replace the screws that secure the base frame to the palm rest 5 Turn the computer over and open the display 6 Replace the screws that secure the bas...

Page 42: ...latory Compliance home page at dell com regulatory_compliance WARNING The heat sink may become hot during normal operation Allow sufficient time for the heat sink to cool before you touch it CAUTION To ensure maximum cooling for the processor do not touch the heat transfer areas on the heat sink The oils in your skin can reduce the heat transfer capability of the thermal grease Prerequisites 1 Rem...

Page 43: ...aphics card The heat sink shipped on a laptop with integrated graphics card has only four screws 1 In sequential order as indicated on the heat sink remove the screws that secure the heat sink to the system board 2 Lift the heat sink off the system board 1 screws 6 2 heat sink 43 ...

Page 44: ...e to the system board and processor NOTE The original thermal grease can be reused if the original system board and fan are reinstalled together If either the system board or the fan is replaced use the thermal pad provided in the kit to make sure that thermal conductivity is achieved Procedure 1 Align the screw holes on the heat sink with the screw holes on the system board 2 In sequential order ...

Page 45: ... in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance CAUTION Removing the coin cell battery resets the BIOS settings to default It is recommended that you note the BIOS settings before removing the coin cell battery Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the hard drive 4 Remove t...

Page 46: ...Procedure 1 Disconnect the coin cell battery cable from the system board 2 Peel off the coin cell battery from the system board 1 coin cell battery 2 coin cell battery cable 46 ...

Page 47: ...w the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Adhere the coin cell battery to the system board 2 Connect the coin cell battery cable to the system board Post requisites 1 Replace the base frame 2 Replace the keyboard 3 Replace the fan 4 Replace the hard drive 5 Replace th...

Page 48: ...ctions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the hard drive 4 Remove the fan 5 Remove the keyboard 6 Remove the base frame Procedure 1 Disconnect the speaker cable from the system board 2 Note the speaker cable routing and remo...

Page 49: ...3 Release the speakers from the alignment posts and lift the speakers along with the speaker cable off the palm rest 1 speaker cable 2 speakers 2 3 alignment posts 4 49 ...

Page 50: ...e Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Using the alignment posts place the speakers on the palm rest 2 Route the speaker cable through the routing guides on the palm rest 3 Connect the speaker cable to the system board Post requisites 1 Replace the base frame 2 Replace the keyboard 3 Replace the fan 4 Rep...

Page 51: ...side 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 dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the hard drive 4 Remove the fan 5 Remove the keyboard 6 Remove the base frame 51 ...

Page 52: ...Procedure 1 Remove the screw that secures the I O board to the palm rest 2 Lift the I O board off the palm rest 1 screw 2 I O board 3 I O board cable 52 ...

Page 53: ...n After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Align the screw hole on the I O board with the screw hole on the palm rest 2 Replace the screw that secures the I O board to the palm rest Post requisites 1 Replace the base frame 2 Replace the keyboard 3 Replace the fan 4 Replace the hard drive ...

Page 54: ...s in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the hard drive 4 Remove the fan 5 Remove the keyboard 6 Remove the base frame 7 Remove the I O board Procedure 1 Turn the computer over and open the display 2 Lift the latch and disconnec...

Page 55: ...3 Slide the status light board cable out through the slot on the palm rest 1 latch 2 status light board cable 4 Close the display and turn the computer over 55 ...

Page 56: ...5 Lift the left speaker and move it away from the status light board 1 left speaker 6 Remove the screw that secures the status light board to the palm rest 56 ...

Page 57: ...7 Lift the status light board and peel off the status light board cable from the palm rest 1 status light board cable 2 screw 3 status light board 57 ...

Page 58: ...he status light board with the screw hole on the palm rest 2 Replace the screw that secures the status light board to the palm rest 3 Using the alignment posts place the left speaker on the palm rest 4 Adhere the status light board cable to the palm rest and slide the cable through the slot on the palm rest 5 Turn the computer over and open the display 6 Slide the status light board cable in the c...

Page 59: ...You must enter the Service Tag in the system setup after you replace the system board NOTE Replacing the system board removes any changes you have made to the BIOS using System Setup You must make the desired changes again after you replace the system board NOTE Before disconnecting the cables from the system board note the location of the connectors so that you can reconnect them correctly after ...

Page 60: ... over and open the display 2 Lift the latches and disconnect the status light board cable and touchpad cable from the system board 1 status light board cable 2 touchpad cable 3 Close the display panel and turn the computer over 60 ...

Page 61: ...he speaker cable hard drive cable and power adapter port cable from the system board 1 speaker cable 2 hard drive cable 3 power adapter port cable 5 Remove the screws that secure the system board to the palm rest 61 ...

Page 62: ...6 Carefully lift the system board from the inner edge and release the ports from the slots on the palm rest 1 ports 2 screws 2 3 system board 62 ...

Page 63: ...ts on the system board into the slots on the palm rest and place the system board on the palm rest 2 Align the screw holes on the system board with the screw holes on the palm rest 3 Replace the screws that secure the system board to the palm rest 4 Connect the hard drive cable speaker cable and the power adapter port cable to the system board 5 Turn the computer over and open the display 6 Slide ...

Page 64: ...g 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 dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the hard drive 4 Remove the fan 5 Remove the keyboard 6 Remove the base frame 64 ...

Page 65: ...ss card 2 Open the display to an angle of 90 degrees 3 Place the computer on the edge of the table so that the palm rest is on the table and the display assembly extends past the table edge with the display hinges facing up 4 Remove the screws that secure the display hinges to the palm rest 65 ...

Page 66: ...5 Lift the display assembly off the palm rest 1 palm rest assembly 2 screws 4 3 display hinges 2 4 display assembly 66 ...

Page 67: ...e home page at dell com regulatory_compliance Procedure 1 Place the palm rest at the edge of the table with the speakers facing away from the edge 2 Align the screw holes on the display hinges with the screw holes on the palm rest 3 Replace the screws that secure the display hinges to the palm rest 4 Close the display and turn the computer over 5 Connect the antenna cables to the wireless card Pos...

Page 68: ...our Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the hard drive 4 Remove the fan 5 Remove the keyboard 6 Remove the base frame 7 Remove the heat sink 8 Remove the display assembly Procedure 1 Disconnect the power adapter port cable from the system board 2 Note th...

Page 69: ...3 Lift the power adapter port along with its cable off the palm rest 1 power adapter port 2 power adapter port cable 69 ...

Page 70: ...est practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Slide the power adapter port into the socket on the palm rest 2 Route the power adapter port cable through the routing guides on the palm rest 3 Connect the power adapter port cable to the system board Post requisites 1 Replace the display assembly 2 Replace the heat sink 3 Replace the base frame 4 ...

Page 71: ...ices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the hard drive 4 Remove the fan 5 Remove the keyboard 6 Remove the base frame 7 Remove the speakers 8 Remove the I O board 9 Remove the status light board 10 Remove the display assembly Procedure 1 Remove the screws that secure the system board to the p...

Page 72: ...3 Lift the power adapter port along with its cable off the palm rest 1 power adapter port 2 power adapter port cable 3 screws 2 4 system board 1 palm rest 72 ...

Page 73: ...ance Procedure 1 Slide the power adapter port into the socket on the palm rest 2 Connect the power adapter port cable to the system board 3 Slide the ports on the system board into the slots on the palm rest and place the system board on the palm rest 4 Replace the screws that secure the system board to the palm rest Post requisites 1 Replace the display assembly 2 Replace the status light board 3...

Page 74: ...the Service Tag cannot be detected automatically select your product under the product categories 4 Click Get Drivers and Downloads 5 Click View All Drivers 6 In the Operating System drop down select the operating system installed on your computer 7 Click BIOS 8 Click Download File to download the latest version of the BIOS for your computer 9 On the next page select Single file download and click...

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