Dell Inspiron 5491 Скачать руководство пользователя страница 36 | Manualshive

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LED board

Removing LED board

1

Follow the procedure in

Before working inside your computer

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2

Remove the .

a

b

c

d

e

f

g

WWAN card (optional)

h

3

To remove the LED board:

a Lift the latch and remove the LED cable connected to the connector on the LED board [1]
b Remove the (M2.0x2.0) screw that secures the LED board to the system [2].
c Lift the LED board from the connector [3].

36

Disassembly and reassembly

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Содержание Inspiron 5491

Страница 1: ...Latitude 5491 Service Manual Regulatory Model P72G Regulatory Type P72G002 ...

Страница 2: ...amage to hardware or loss of data and tells you how to avoid the problem WARNING A WARNING indicates a potential for property damage personal injury or death 2018 Dell Inc or its subsidiaries All rights reserved Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners 2018 05 Rev A00 ...

Страница 3: ...port over USB Type C 12 USB Type C 12 Alternate Mode 12 USB Power Delivery 13 USB Type C and USB 3 1 13 3 Disassembly and reassembly 14 Subscriber Identity Module SIM board 14 Removing the Subscriber Identification Module card 14 Installing the Subscriber Identification Module card 14 SD card optional 15 Removing the SD card WWAN models 15 Installing the SD card WWAN models 15 Base cover 15 Removi...

Страница 4: ...ard 27 Installing the keyboard 30 Heat sink 30 Removing the heat sink 30 Installing the heat sink 31 System fan 31 Removing the system fan 31 Installing the system fan 32 Power connector port 33 Removing the power connector port 33 Installing power connector port 33 Chassis frame 34 Removing the chassis frame 34 Installing the chassis frame 35 LED board 36 Removing LED board 36 Installing LED boar...

Страница 5: ...P cable 56 Removing display cable 56 Installing display cable 56 Camera 57 Removing camera 57 Installing camera 58 Display hinges 58 Removing display hinge 58 Installing display hinge 59 Display back cover assembly 59 Removing the display back cover assembly 59 Installing the display back cover assembly 60 Palm rest 60 Removing palm rest 60 Installing palm rest 61 4 Troubleshooting 63 Enhanced Pre...

Страница 6: ...same time as touching a connector on the back of the computer CAUTION Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a processor by its edges not by its pins CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some cables have ...

Страница 7: ...ExpressCards or Smart Cards from the appropriate slots After working inside your computer After you complete any replacement procedure ensure that you connect any external devices cards and cables before turning on your computer CAUTION To avoid damage to the computer use only the battery designed for this particular Dell computer Do not use batteries designed for other Dell computers 1 Replace th...

Страница 8: ... allows up to 512 GB in capacity compared to the DDR3 s maximum of 128 GB per DIMM DDR4 synchronous dynamic random access memory is keyed differently from both SDRAM and DDR to prevent the user from installing the wrong type of memory into the system DDR4 needs 20 percent less or just 1 2 volts compared to DDR3 which requires 1 5 volts of electrical power to operate DDR4 also supports a new deep p...

Страница 9: ...he system or under the keyboard as in some portable systems HDMI 1 4 This topic explains the HDMI 1 4 and its features along with the advantages HDMI High Definition Multimedia Interface is an industry supported uncompressed all digital audio video interface HDMI provides an interface between any compatible digital audio video source such as a DVD player or A V receiver and a compatible digital au...

Страница 10: ...image quality Low cost HDMI provides the quality and functionality of a digital interface while also supporting uncompressed video formats in a simple cost effective manner Audio HDMI supports multiple audio formats from standard stereo to multichannel surround sound HDMI combines video and multichannel audio into a single cable eliminating the cost complexity and confusion of multiple cables curr...

Страница 11: ...ifferential data USB 3 0 USB 3 1 Gen 1 adds four more for two pairs of differential signals receive and transmit for a combined total of eight connections in the connectors and cabling USB 3 0 USB 3 1 Gen 1 utilizes the bidirectional data interface rather than USB 2 0 s half duplex arrangement This gives a 10 fold increase in theoretical bandwidth With today s ever increasing demands placed on dat...

Страница 12: ... USB connection Windows 8 10 will be bringing native support for USB 3 1 Gen 1 controllers This is in contrast to previous versions of Windows which continue to require separate drivers for USB 3 0 USB 3 1 Gen 1 controllers Microsoft announced that Windows 7 would have USB 3 1 Gen 1 support perhaps not on its immediate release but in a subsequent Service Pack or update It is not out of the questio...

Страница 13: ...attery packs you charge your smartphones and other portable devices from today You could plug your laptop into an external display connected to a power cable and that external display would charge your laptop as you used it as an external display all via the one little USB Type C connection To use this the device and the cable have to support USB Power Delivery Just having a USB Type C connection ...

Страница 14: ...IM card removal tool into the pinhole on the SIM card tray 1 2 Pull the SIM card tray to remove it 2 3 Remove the SIM card from the SIM card tray 4 Push the SIM card tray into the slot until it clicks into place Installing the Subscriber Identification Module card 1 Insert a paperclip or a SIM card removal tool into the pinhole 1 2 Pull the SIM card tray to remove it 2 3 Place the SIM card on the ...

Страница 15: ... card so that the SD card pops out from its slot 1 and then remove it from the system 2 Installing the SD card WWAN models 1 Push the SD card into its slot until the SD card gets secured with a click sound 2 Follow the procedure in After working inside your computer Base cover Removing the base cover 1 Follow the procedure in Before working inside your computer 2 To remove the base cover Disassemb...

Страница 16: ... base cover from the recess at the top edge 2 and continue prying throughout the outer sides of the base cover in clockwise direction to release the base cover NOTE Use a plastic scribe to pry the base cover from the edges c Lift the base cover from the system 16 Disassembly and reassembly ...

Страница 17: ...After working inside your computer Battery Removing the battery 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 To remove the battery a Disconnect the battery cable from the connector on the system board 1 and unroute the cable from the routing channel b Loosen the M2x6 captive screw that secures the battery to the system 2 c Lift the battery away from the s...

Страница 18: ...ure in After working inside your computer SSD card optional Removing the SSD card 1 Follow the procedure in Before working inside your computer 2 Remove the a base cover b battery 3 To remove the Solid State Drive SSD card a Peel the adhesive mylar shield that secures the SSD card 1 NOTE Remove the adhesive mylar carefully so that it can be reused on the replacement SSD b Remove the M2x3 screw tha...

Страница 19: ...M2x3 screw that secures the SSD card to the system 3 Place the Mylar shield over the SSD 4 Install the a battery b base cover 5 Follow the procedure in After working inside your computer SSD frame Removing the SSD frame 1 Follow the procedure in Before working inside your computer 2 Remove the a base cover b battery c SSD card Disassembly and reassembly 19 ...

Страница 20: ... the slot in the system 2 Replace the M2x3 screw that secures the SSD frame to the system 3 Install the a SSD card b battery c base cover 4 Follow the procedure in After working inside your computer Hard drive Removing hard drive 1 Follow the procedure in Before working inside your computer 2 Remove the a base cover b battery 3 To remove the hard drive 20 Disassembly and reassembly ...

Страница 21: ...ect the hard drive cable from the connector on the system board 1 b Remove the four M2 x 2 7 screws that secure the hard drive to the system 2 c Lift the hard drive from the system Disassembly and reassembly 21 ...

Страница 22: ...r 5 Follow the procedures in After working inside your system Coin cell battery Removing the coin cell battery 1 Follow the procedure in Before working inside your computer 2 Remove the a base cover b battery 3 To remove the coin cell battery a Disconnect the coin cell battery cable from the connector on the system board 1 b Lift the coin cell battery to release from the adhesive and lift it away ...

Страница 23: ...s the WLAN card bracket to the system 1 b Remove the WLAN card bracket that secures the WLAN antenna cables 2 c Disconnect the WLAN antenna cables from the connectors on the WLAN card 3 d Lift the WLAN card away the connector as shown in the figure 4 CAUTION There is an adhesive pad on the system board or chassis frame which helps secure the wireless card in place When removing the wireless card f...

Страница 24: ...place the M2x3 screw to secure the WLAN card to the system 5 Install the a battery b base cover 6 Follow the procedure in After working inside your computer WWAN card optional This is optional as the system might not ship with WWAN card Removing the WWAN card 1 Follow the procedure in Before working inside your computer 2 Remove the a base cover b battery 3 To remove the WWAN card 24 Disassembly a...

Страница 25: ...slot on the system 2 Connect the WWAN antenna cables to the connectors on the WWAN card 3 Replace the screw M2X3 to secure the WWAN card to the computer 4 Install the a battery b base cover 5 Follow the procedure in After working inside your computer Memory modules Removing the memory module 1 Follow the procedure in Before working inside your computer 2 Remove the a base cover b battery 3 To remo...

Страница 26: ...lot Then press the module until the clips secure the memory module 2 Install the a battery b base cover 3 Follow the procedure in After working inside your computer Keyboard Removing keyboard lattice 1 Follow the procedure in Before working inside your computer 2 Pry the keyboard lattice from one of the recess points 1 and continue prying the sides in clockwise or anticlockwise direction and then ...

Страница 27: ...in Before working inside your computer 2 Remove the a base cover b battery c keyboard lattice 3 To remove the keyboard a Lift the latch and disconnect the keyboard cable from the connector on the system b Lift the latch and disconnect the keyboard backlight cable from the connector on the system 2 NOTE This step is applicable only for models that support keyboard backlight option Number of cables ...

Страница 28: ...oard to the system 1 e Flip the keyboard from the bottom and lift it from the system along with the keyboard cable and the keyboard back light cable 2 WARNING Gently pull the keyboard cable and the keyboard back light cable routed beneath the chassis frame to avoid damaging the cables 28 Disassembly and reassembly ...

Страница 29: ...Disassembly and reassembly 29 ...

Страница 30: ...e keyboard cables are NOT under the lattice but run through the opening in the frame before connecting them to system board 5 Install the a keyboard lattice b battery c base cover 6 Follow the procedure in After working inside your computer Heat sink Removing the heat sink 1 Follow the procedure in Before working inside your computer 2 Remove the a base cover b battery 3 To remove the heat sink a ...

Страница 31: ...in sequential order as indicated on the heat sink 3 Install the a battery b base cover 4 Follow the procedure in After working inside your computer System fan Removing the system fan 1 Follow the procedure in Before working inside your computer 2 Remove the a base cover b battery c hard drive d SSD card e SSD frame f WLAN card g WWAN card optional Disassembly and reassembly 31 ...

Страница 32: ...r 2 Installing the system fan 1 Place the system fan into the slot on the computer 2 Connect the system fan cable to the connector on the system board 3 Install the a chassis frame b WWAN card optional c WLAN card d SSD frame e SSD card f hard drive g battery h base cover 4 Follow the procedure in After working inside your computer 32 Disassembly and reassembly ...

Страница 33: ...2 c Remove the M2x3 screw to release the power connector bracket that secures the power connector port to your system 3 d Remove the power connector bracket from the system 4 e Pull the power connector port and lift it from the system 5 Installing power connector port 1 Align the power connector port along the grooves on the slot and push it down 2 Place the metal bracket on the power connector po...

Страница 34: ...ing inside your computer 2 Remove the a base cover b battery c hard drive d SSD card e SSD frame f WLAN card g WWAN card optional NOTE There are two different screw sizes for chassis frame M2x5 8ea and M2x3 5ea 3 To release the chassis frame a Unroute the WLAN and WWAN cables from the routing channels 1 b Lift the latch and disconnect the keyboard backlight cable and the keyboard cable from their ...

Страница 35: ...ng the chassis frame in the slot on the system 2 Replace the five M2x3 screws and eight M2x5 screws to secure the chassis frame to the system 3 Connect the keyboard cable and the keyboard backlight cable to their connectors on the system NOTE There may be more than one cable to connect based on keyboard types 4 Route the WLAN and WWAN optional cables through the routing channels 5 Install the a WW...

Страница 36: ... drive d SSD card e SSD frame f WLAN card g WWAN card optional h chassis frame 3 To remove the LED board a Lift the latch and remove the LED cable connected to the connector on the LED board 1 b Remove the M2 0x2 0 screw that secures the LED board to the system 2 c Lift the LED board from the connector 3 36 Disassembly and reassembly ...

Страница 37: ...y h base cover 5 Follow the procedure in After working inside your computer SmartCard module Removing smart card reader board 1 Follow the procedure in Before working inside your computer 2 Remove the a base cover b battery c hard drive d SSD card e SSD frame f WLAN card g WWAN card optional h chassis frame 3 To release the smart card reader board a Lift the latch and disconnect the smart card rea...

Страница 38: ... the smart card reader board a Remove the 2 M2x3 screws that secure the smart card reader board to the palmrest 1 b Slide and lift the smart card reader from the slot in the system 2 38 Disassembly and reassembly ...

Страница 39: ...secure the smart card reader board to the system 3 Affix the smart card reader board cable and connect the cable to the connector 4 Install the a chassis frame b WWAN card optional c WLAN card d SSD frame e SSD card f hard drive g battery h base cover 5 Follow the procedure in After working inside your computer Disassembly and reassembly 39 ...

Страница 40: ...remove the touchpad panel a Disconnect the touchpad panel cable from the connector on the system board 1 b Remove the two M2x3 screws that secure the touchpad panel to the system 2 c Lift the touchpad panel from the system 3 Installing touchpad panel 1 Place the touchpad panel into its slot on the chassis 2 Tighten the two screws to secure the touchpad panel to your system 40 Disassembly and reass...

Страница 41: ...Removing system board 1 Follow the procedure in Before working inside your computer 2 Remove the a SIM card b base cover c battery d memory module e hard drive f SSD card g SSD frame h WLAN card i WWAN card optional j keyboard lattice k keyboard l heat sink m chassis frame n system fan 3 Disconnect the following cables from the system board a Touchpad cable 1 b USH cable 2 c LED board cable 3 d Sp...

Страница 42: ...bles from the connectors on the system board 3 4 and peel the adhesive tape securing the display cable to the system d Disconnect the power connector port cable from the connector on the system board 5 e Remove the two M2x5 screws that secure the Type C USB bracket in place 6 NOTE The metal bracket secures the DisplayPort over USB Type C f Lift the metal bracket away from the system 7 42 Disassemb...

Страница 43: ...remove the system board NOTE Ensure SIM card tray is removed a Remove the four M2x3 screws that secure the system board in place 1 b Lift the system board away from the system 2 Disassembly and reassembly 43 ...

Страница 44: ...e C 5 Connect the power connector port cable to the connector on the system board 6 Connect the display cables to the connectors on the system board and affix the tape that secures the display cable to the system 7 Place the display cable metal bracket over the display cable 8 Replace the two M2x3 screws to secure the metal bracket 9 Flip over the system and open the system in working mode 10 Conn...

Страница 45: ...low the procedure in Before working inside your computer 2 Remove the a base cover b battery c memory module d hard drive e SSD card f SSD frame g WLAN card h WWAN card optional i keyboard lattice j keyboard k chassis frame l system board 3 To remove the speakers a Release the speaker cable through the routing channels 1 b Lift the speaker away from the computer 2 Disassembly and reassembly 45 ...

Страница 46: ...tem board b chassis frame c keyboard d keyboard lattice e WLAN card f SSD frame g SSD card h hard drive i memory module j battery k base cover l SIM card 4 Follow the procedure in After working inside your computer Display hinge cover Removing display hinge cover 1 Follow the procedure in Before working inside your computer 2 Remove the 46 Disassembly and reassembly ...

Страница 47: ...lling display hinge cover 1 Place the display hinge cover on the display hinge 2 Replace the M2x3 screw to secure the display hinge cover to the display hinge 3 Repeat step 1 and step 2 to install the other display hinge cover 4 Install the a battery b base cover 5 Follow the procedure in After working inside your computer Display assembly Removing display assembly 1 Follow the procedure in Before...

Страница 48: ...ble bracket that secures the display cable from the system 3 d Disconnect the display cables from their respective connectors on the system board 4 5 e Remove the single screw that secure the power connector bracket and also the display cable to the system 6 4 To release the display assembly a Remove the two M2x5 screws that secure the display assembly to the computer 1 b Release the WLAN cable an...

Страница 49: ...5 Turn over the computer 6 To remove the display assembly a Remove the two M2x5 screws that secure the display assembly to the computer 1 b Open the display 2 Disassembly and reassembly 49 ...

Страница 50: ...c Lift the display assembly from the computer 50 Disassembly and reassembly ...

Страница 51: ...6 Replace the single screw that secure the power connector bracket and the display cable to the system 7 Connect the display cables to the connectors on the system board 8 Place the metal bracket to secure the display cable 9 Replace the M2x3 screws to secure the metal bracket to the system 10 Route the WLAN and WWAN cables through the routing channels 11 Install the a hinge cover b WWAN card opti...

Страница 52: ...sembly technicians should note that the display bezel is secured to the LCD panel with a strong adhesive and care must be taken to avoid damage to LCD b Lift the display bezel to release it 2 c Pry the edges on the side of the display to release the display bezel 3 4 5 CAUTION The adhesive used on the LCD bezel to seal it with the LCD itself makes it hard to remove the bezel as the adhesive is ver...

Страница 53: ...b display hinge cover c WWAN card optional d WLAN card e battery f base cover 4 Follow the procedure in After working inside your computer Display panel Removing display panel 1 Follow the procedure in Before working inside your computer 2 Remove the a base cover b battery c WLAN card d WWAN card optional e display hinge cover f display assembly g display bezel 3 Remove the four M2x3 screws that s...

Страница 54: ...ay panel a Peel the conductive tape 1 b Remove the adhesive strip that secures the display cable 2 c Lift the latch and disconnect the display cable from the connector on the display panel 3 4 54 Disassembly and reassembly ...

Страница 55: ...isplay panel to align with the screw holders on the display assembly 4 Replace the four M2x3 screws to secure the display panel to the display back cover 5 Install the a display bezel b display assembly c display hinge cover d WLAN card e WWAN card optional f battery g base cover 6 Follow the procedure in After working inside your computer Disassembly and reassembly 55 ...

Страница 56: ...anel 3 Disconnect the camera cable from the connector on the camera module 1 4 Peel the display cable to release it from adhesive and lift the display cable from the display back cover 2 Installing display cable 1 Affix the display cable to the display back cover 2 Connect the camera cable to the connector on camera module 3 Install the a display panel b display bezel c display assembly d display ...

Страница 57: ...re working inside your computer 2 Remove the a base cover b battery c WLAN card d WWAN card optional e display hinge cover f display assembly g display bezel h display panel 3 To remove the camera a Disconnect the camera cable from the connector on the camera module 1 b Carefully pry and lift the camera module from the display back cover 2 Disassembly and reassembly 57 ...

Страница 58: ...e in After working inside your computer Display hinges Removing display hinge 1 Follow the procedure in Before working inside your computer 2 Remove the a base cover b battery c WLAN card d WWAN card optional e display hinge cover f display assembly g display bezel 3 To remove the display hinge a Remove the 3 M2 5x3 screws that secure the display hinge to the display assembly 1 b Lift the display ...

Страница 59: ...stall the other display hinge 4 Install the a display bezel b display assembly c display hinge cover d WLAN card e WWAN card optional f battery g base cover 5 Follow the procedure in After working inside your computer Display back cover assembly Removing the display back cover assembly 1 Follow the procedure in Before working inside your computer 2 Remove the Disassembly and reassembly 59 ...

Страница 60: ...ing the display back cover assembly 1 Place the display back cover assembly on a flat surface 2 Install the a camera b display cable c display hinge d display panel e display bezel f display assembly g display hinge cover h WLAN card i WWAN card optional j battery k base cover 3 Follow the procedure in After working inside your computer Palm rest Removing palm rest 1 Follow the procedure in Before...

Страница 61: ... sink m chassis frame n system fan o system board p display hinge cover q display assembly 3 The palm rest is the remaining component after removing all the components Installing palm rest 1 Place the palm rest on a flat surface 2 Install the a display assembly b display hinge cover c system board d system fan e chassis frame Disassembly and reassembly 61 ...

Страница 62: ...rd h keyboard lattice i WWAN card optional j WLAN card k SSD frame l SSD card m hard drive n memory module o battery p base cover q SIM card 3 Follow the procedure in After working inside your computer 62 Disassembly and reassembly ...

Страница 63: ...unning the ePSA Diagnostics 1 Invoke diagnostics boot by either of the methods suggested above 2 Once on one time boot menu use up down arrow key to navigate to ePSA or diagnostics and press return key to launch Fn PWR will flash diagnostics boot selected on screen and launch ePSA diagnostics directly 3 On the boot menu screen select the Diagnostics option 4 Press the arrow in the lower right corn...

Страница 64: ...s un provision Intel vPro and reset the system date and time The following items are unaffected by the RTC reset Service Tag Asset Tag Ownership Tag Admin Password System Password HDD Password Key Databases System Logs The following items may or may not reset based on your custom BIOS setting selections The Boot List Enable Legacy OROMs Secure Boot Enable Allow BIOS Downgrade 64 Troubleshooting ...

Страница 65: ...port and service options Availability varies by country and product and some services may not be available in your area To contact Dell for sales technical support or customer service issues 1 Go to Dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down list at the bottom of the page 4 Select the appropriate service or support link ...

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