Dell Inspiron 7405 2n1 Скачать руководство пользователя страница 36 | Manualshive

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3. Lift the fan off the palm-rest and keyboard assembly.

Installing the fan

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

The following image indicates the location of the fan and provides a visual representation of the installation procedure.

Steps

1. Using the alignment posts, place the fan on the palm-rest and keyboard assembly.
2. Replace the two screws (M2x2) that secure the system fan to the palm-rest and keyboard assembly.
3. Connect the fan cable to the system board.

Next steps

.

2. Follow the procedure in

After working inside your computer

.

I/O board

Removing the I/O board

Prerequisites

1. Follow the procedure in

Before working inside your computer

.

36

Removing and installing components

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Содержание Inspiron 7405 2n1

Страница 1: ...Inspiron 7405 2n1 Service Manual Regulatory Model P126G Regulatory Type P126G001 ...

Страница 2: ...mage 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 2020 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 April 2020 Rev A00 ...

Страница 3: ...16 Coin cell battery 17 Removing the coin cell battery 17 Installing the coin cell battery 18 Memory modules 19 Removing the memory modules 19 Installing the memory modules 20 Speakers 22 Removing the speakers 22 Installing the speakers 22 Heat sink 23 Removing the heat sink 23 Installing the heat sink 24 Power adapter port 25 Removing the power adapter port 25 Installing the power adapter port 26...

Страница 4: ...ling the palm rest and keyboard assembly 50 3 Drivers and downloads 52 4 System setup 53 Entering BIOS setup program 53 Navigation keys 53 Boot Sequence 53 One time boot menu 54 System setup options 54 Clearing CMOS settings 58 Clearing BIOS System Setup and System passwords 58 5 Troubleshooting 59 Enhanced Pre Boot System Assessment ePSA diagnostics 59 Running the SupportAssist Pre Boot System Pe...

Страница 5: ...onnect your computer from all power sources before opening the computer cover or panels After you finish working inside the computer replace all covers panels and screws before connecting your computer to an electrical outlet CAUTION To avoid damaging the computer ensure that the work surface is flat dry and clean CAUTION To avoid damaging the components and cards handle them by their edges and av...

Страница 6: ...e anti static packing material until you are ready to install the component Before unwrapping the anti static packaging ensure that you discharge static electricity from your body Before transporting a static sensitive component place it in an anti static container or packaging ESD field service kit The unmonitored Field Service kit is the most commonly used service kit Each Field Service kit incl...

Страница 7: ...sport ESD protection summary It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti static mat at all times when servicing Dell products In addition it is critical that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti static bags for transporting sensitive compone...

Страница 8: ...replacing a component NOTE Screw color may vary with the configuration ordered Table 1 Screw list Component Secured to Screw type Quantity Screw image Base cover Palm rest and keyboard assembly M2x4 6 Battery Palm rest and keyboard assembly M2x3 5 For computers shipped with 4 cell battery 4 For computers shipped with 3 cell battery Wireless card bracket Wireless card and system board M2x3 1 Solid ...

Страница 9: ...nal for configuration with fingerprint reader Palm rest and keyboard assembly M2x3 2 Power adapter port Palm rest and keyboard assembly M2x3 1 USB Type C bracket Palm rest and keyboard assembly M2x3 2 System board Palm rest and keyboard assembly M2x2 2 Major components of Inspiron 7405 2n1 The following image shows the major components of Inspiron 7405 2n1 Removing and installing components 9 ...

Страница 10: ...state drive thermal bracket NOTE Dell provides a list of components and their part numbers for the original system configuration purchased These parts are available according to warranty coverages purchased by the customer Contact your Dell sales representative for purchase options Base cover Removing the base cover Prerequisites 1 Follow the procedure in Before working inside your computer About ...

Страница 11: ...Removing and installing components 11 ...

Страница 12: ...12 Removing and installing components ...

Страница 13: ...eyboard assembly NOTE The following step is applicable only if you want to further remove any other component from your computer 4 Peel the tape that secures the battery cable to the system board 5 Disconnect the battery cable from the system board 6 Turn your computer over and press the power button for 15 seconds to drain the flea power Installing the base cover Prerequisites If you are replacin...

Страница 14: ...14 Removing and installing components ...

Страница 15: ...ith foreign objects Do not expose the battery to high temperatures or disassemble battery packs and cells Do not apply pressure to the surface of the battery Do not bend the battery Do not use tools of any kind to pry on or against the battery Ensure any screws during the servicing of this product are not lost or misplaced to prevent accidental puncture or damage to the battery and other system co...

Страница 16: ...t secure the battery to the palm rest and keyboard assembly 4 Lift the battery off the palm rest and keyboard assembly Installing the battery Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the battery and provides a visual representation of the installation proce...

Страница 17: ...your computer Coin cell battery Removing the coin cell battery Prerequisites 1 Follow the procedure in Before working inside your computer NOTE Removing the I O board cable is equivalent to removing the coin cell battery It 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 2 Remove the base co...

Страница 18: ...he slot on the palm rest and keyboard assembly Installing the coin cell battery Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the coin cell battery and provides a visual representation of the installation procedure 18 Removing and installing components ...

Страница 19: ...e I O board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Memory modules Removing the memory modules Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following image indicates the location of the memory modules and provides a visual representation of the removal procedure Remov...

Страница 20: ... module slot NOTE Repeat step 2 to step 3 to remove any other memory modules installed in your computer Installing the memory modules Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the memory modules and provides a visual representation of the installation proced...

Страница 21: ... into the memory module slot 4 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 NOTE Repeat step 2 to step 4 to install any other memory modules in your computer Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Removing and installing components 21 ...

Страница 22: ...Note the speaker cable routing and remove the speaker cable from the routing guides on the palm rest and keyboard assembly 3 Lift the speakers along with the cables off the palm rest and keyboard assembly Installing the speakers Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the...

Страница 23: ... sink Prerequisites 1 Follow the procedure in Before working inside your computer CAUTION For maximum cooling of 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 NOTE The heat sink may become hot during normal operation Allow sufficient time for the heat sink to cool before you touch it 2 Remove ...

Страница 24: ... component before performing the installation procedure 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 About this task The following image indicates the location of the heat sink and provides a visual repr...

Страница 25: ...teps 1 Install the base cover 2 Follow the procedure in After working inside your computer Power adapter port Removing the power adapter port Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following image indicates the location of the power adapter port and provides a visual representation of the removal procedure Removing an...

Страница 26: ...he screw M2x3 that secures the power adapter port to the palm rest and keyboard assembly 6 Lift the power adapter port along with its cable off the palm rest and keyboard assembly Installing the power adapter port Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of th...

Страница 27: ...er port cable to the system board 6 Close the right display hinge 7 Replace the three screws M2 5x5 that secure the right display hinge to the palm rest and keyboard assembly Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Touchpad Removing the touchpad Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cov...

Страница 28: ...wo screws M2x2 that secure the touchpad to the palm rest and keyboard assembly 5 Slide and lift the touchpad off the palm rest and keyboard assembly Installing the touchpad Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the touchpad and provides a visual represen...

Страница 29: ...he palm rest and keyboard assembly 6 Replace the three screws M2x2 that secure the touchpad bracket to the palm rest and keyboard assembly Next steps 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Solid state drive Removing the M 2 2230 solid state drive Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove...

Страница 30: ...id state drive from the solid state drive slot Installing the M 2 2230 solid state drive Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task This computer supports two solid state drive form factors M 2 2230 M 2 2280 If you are replacing the M 2 2230 solid state drive with an M 2 2280 solid state drive the follow...

Страница 31: ...The following image indicates the location of the M 2 2230 solid state drive and provides a visual representation of the installation procedure Removing and installing components 31 ...

Страница 32: ...at an angle 7 Replace the screw M2x3 that secures the solid state drive to the solid state drive bracket 8 Align the screw hole on the solid state drive thermal bracket with the screw hole on the palm rest and keyboard assembly 9 Replace the screw M2x3 that secures the solid state drive thermal bracket to the palm rest and keyboard assembly Next steps 1 Install the base cover 2 Follow the procedur...

Страница 33: ...id state drive from the solid state drive slot Installing the M 2 2280 solid state drive Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task This computer supports two solid state drive form factors M 2 2230 M 2 2280 If you are replacing the M 2 2280 solid state drive with an M 2 2330 solid state drive the follow...

Страница 34: ...e M 2 2280 solid state drive and provides a visual representation of the installation procedure NOTE Perform step 1 to step 3 if you are replacing the M 2 2230 solid state drive with an M 2 2280 solid state drive 34 Removing and installing components ...

Страница 35: ...he solid state drive to the solid state drive bracket 8 Align the screw hole on the solid state drive thermal bracket with the screw hole on the palm rest and keyboard assembly 9 Replace the screw M2x3 that secures the solid state drive thermal bracket to the palm rest and keyboard assembly Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Fan Removin...

Страница 36: ...tallation procedure Steps 1 Using the alignment posts place the fan on the palm rest and keyboard assembly 2 Replace the two screws M2x2 that secure the system fan to the palm rest and keyboard assembly 3 Connect the fan cable to the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer I O board Removing the I O board Prerequisites 1 Follow ...

Страница 37: ...O board 5 Open the latch and disconnect the fingerprint reader cable from the I O board 6 Disconnect the coin cell battery cable from the I O board 7 Remove the screw M2x3 that secures the I O board to the palm rest and keyboard assembly 8 Slide and lift the I O board off the palm rest and keyboard assembly Installing the I O board Prerequisites If you are replacing a component remove the existing...

Страница 38: ... Connect the fingerprint reader cable to the connector on the I O board and close the latch to secure the cable 7 Connect the coin cell battery cable to the I O board 8 Close the left display hinge 9 Replace the two screws M2 5x5 that secure the left display hinge to the palm rest and keyboard assembly Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer...

Страница 39: ...ard cable from the I O board 5 Open the latch and disconnect the fingerprint reader cable from the I O board 6 Open the latch and disconnect the power button cable from the fingerprint reader board 7 Lift the power button along with its cable off the slot on the palm rest and keyboard assembly Installing the power button board Prerequisites If you are replacing a component remove the existing comp...

Страница 40: ...le to the I O board 6 Align the screw holes on the power button bracket with the screw holes on the palm rest and keyboard assembly 7 Replace the two screws M2x3 that secure power button bracket to the palm rest and keyboard assembly Next steps 1 Install the fan 2 Install the heat sink 3 Install the base cover 4 Follow the procedure in After working inside your computer Display assembly Removing t...

Страница 41: ...Removing and installing components 41 ...

Страница 42: ...onnect the display cable from the system board 3 Remove the two screws M2 5x5 that secure the left display hinges to the palm rest and keyboard assembly 4 Remove the three screws M2 5x5 that secure the right display hinges to the palm rest and keyboard assembly 42 Removing and installing components ...

Страница 43: ...sembly Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the display assembly and provides a visual representation of the installation procedure Removing and installing components 43 ...

Страница 44: ...sembly 3 Replace the three screws M2 5x5 that secure the right display hinge to the palm rest and keyboard assembly 4 Connect the display cable connector to the system board and close the latch to secure the cable 5 Adhere the tape that secures the display cable to the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer 44 Removing and inst...

Страница 45: ...d state drive as applicable 7 Remove the heat sink About this task The following image indicates the connectors on your system board Figure 1 System board connectors 1 Power adapter port cable 2 Display cable 3 Fan cable 4 I O board cable 5 Speaker cable 6 Touchpad cable 7 Keyboard cable 8 USB Type C port bracket The following image indicates the location of the system board and provides a visual ...

Страница 46: ...t display hinge to the palm rest and keyboard assembly 2 Open the hinge at an angle of 90 degrees 3 Peel the tape that secures the USB Type C port bracket to the system board 4 Disconnect the fan cable from the system board 46 Removing and installing components ...

Страница 47: ...tem board 14 Open the latch and disconnect the display cable from the system board 15 Remove the two screws M2x2 that secures the system board to the palm rest and keyboard assembly 16 Lift the system board off the palm rest and keyboard assembly Installing the system board Prerequisites If you are replacing a component remove the existing component before performing the installation procedure Abo...

Страница 48: ...two screws M2x2 that secure the system board to the palm rest and keyboard assembly 3 Connect the display cable to the connector on the system board and close the latch to secure the cable 4 Adhere the tape that secures the display cable to the system board 48 Removing and installing components ...

Страница 49: ...l the M 2 2230 solid state drive or M 2 2280 solid state drive as applicable 4 Install the memory modules 5 Install the coin cell battery 6 Install the battery 7 Install the base cover 8 Follow the procedure in After working inside your computer Palm rest and keyboard assembly Removing the palm rest and keyboard assembly Prerequisites 1 Follow the procedure in Before working inside your computer 2...

Страница 50: ...eyboard assembly Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the palm rest and keyboard assembly and provides a visual representation of the installation procedure 50 Removing and installing components ...

Страница 51: ...l the power adapter port 6 Install the fan 7 Install the heat sink 8 Install the speakers 9 Install the I O board 10 Install the M 2 2230 solid state drive or M 2 2280 solid state drive as applicable 11 Install the memory modules 12 Install the coin cell battery 13 Install the battery 14 Install the base cover 15 Follow the procedure in After working inside your computer Removing and installing co...

Страница 52: ...rivers and downloads When troubleshooting downloading or installing drivers it is recommended that you read the Dell Knowledge Based article Drivers and Downloads FAQ SLN128938 3 52 Drivers and downloads ...

Страница 53: ... Setup options changes that you make are recorded but do not take effect until you restart the system Table 2 Navigation keys Keys Navigation Up arrow Moves to the previous field Down arrow Moves to the next field Enter Selects a value in the selected field if applicable or follow the link in the field Spacebar Expands or collapses a drop down list if applicable Tab Moves to the next focus area NO...

Страница 54: ...ems listed in this section may or may not appear Table 3 System setup options Main menu Main System Time Displays the current time in hh mm ss format System Date Displays the current date in mm dd yyyy format BIOS Version Displays the BIOS version Product Name Displays the model number of your computer Service Tag Displays the service tag of your computer Asset Tag Displays the asset tag of your c...

Страница 55: ... PowerShare connector may not wake the computer Default Disabled SATA Operation Allows you to configure the operating mode of the integrated SATA hard drive controller Default AHCI Adapter Warnings Allows you to choose if the computer should display warning messages when you use AC adapters that are not supported by your computer Default Enabled Function Key Behavior Allows you to set function key...

Страница 56: ...r the Dell OS Recovery tool Default 2 SupportAssist OS Recovery Enables or disables the boot flow for the SupportAssist OS Recovery tool in the even of certain system errors Default Disabled Table 5 System setup options Security menu Security Admin Password Status Displays if the administrator password is clear or set System Password Status Displays if the system password is clear or set Default N...

Страница 57: ...TY MITIGATIONS TABLE WSMT Enables or disables configuration of platform features on Dell Client Systems with WSMT enabled BIOS Default Enabled Table 6 System setup options Boot menu Boot Fast Boot Enables or disables the fast boot option Default Minimal Secure Boot Enables or disables the secure boot feature Default Disabled Load Legacy Option ROMs Enables or disables the Load Legacy Option ROMs D...

Страница 58: ...the power button for 15 seconds to drain the flea power 4 Before you turn on your computer follow the steps in Installing the base cover 5 Turn on your computer Clearing BIOS System Setup and System passwords About this task To clear the system or BIOS passwords contact Dell technical support as described at www dell com contactdell NOTE For information on how to reset Windows or application passw...

Страница 59: ... SupportAssist Pre Boot System Performance Check Steps 1 Turn on your computer 2 As the computer boots press the F12 key as the Dell logo appears 3 On the boot menu screen select the Diagnostics option 4 Click the arrow at the bottom left corner Diagnostics front page is displayed 5 Click the arrow in the lower right corner to go to the page listing The items detected are listed 6 To run a diagnos...

Страница 60: ...board BIOS or ROM Read Only Memory failure 2 3 No memory or RAM Random Access Memory detected 2 4 Memory or RAM Random Access Memory failure 2 5 Invalid memory installed 2 6 System board or chipset error 2 7 Display failure 2 8 LCD power rail failure 3 1 CMOS battery failure 3 2 PCI video card chip failure 3 3 Recovery image not found 3 4 Recovery image found but invalid 3 5 Power rail failure 3 6...

Страница 61: ...load the latest BIOS setup program file 2 Create a bootable USB drive For more information see the knowledge base article SLN143196 at www dell com support 3 Copy the BIOS setup program file to the bootable USB drive 4 Connect the bootable USB drive to the computer that needs the BIOS update 5 Restart the computer and press F12 when the Dell logo is displayed on the screen 6 Boot to the USB drive ...

Страница 62: ...fter it has been powered off and the battery has been disconnected from the system board The following procedure provides the instructions on how to release the flea power Steps 1 Turn off your computer 2 Remove the base cover NOTE The battery must be disconnected from the system board See Step 4 in removing the base cover 3 Press and hold the power button for 15 seconds to drain the flea power 4 ...

Страница 63: ... topic or model number and then click or tap the search icon to view the related articles Learn and know the following information about your product Product specifications Operating system Setting up and using your product Data backup Troubleshooting and diagnostics Factory and system restore BIOS information See Me and My Dell at www dell com support manuals To locate the Me and My Dell relevant...

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