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Running the ePSA diagnostics

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 diagnostic test on a specific device, press Esc and click

Yes

to stop the diagnostic test.

7. Select the device from the left pane and click

Run Tests

8. If there are any issues, error codes are displayed.

Note the error code and validation number and contact Dell.

System diagnostic lights

Battery-status light

Indicates the power and battery-charge status.

Solid white

— Power adapter is connected and the battery has more than 5 percent charge.

Amber

— Computer is running on battery and the battery has less than 5 percent charge.

Off

•

Power adapter is connected and the battery is fully charged.

•

Computer is running on battery and the battery has more than 5 percent charge.

•

Computer is in sleep state, hibernation, or turned off.

The power and battery-status light blinks amber along with beep codes indicating failures.

For example, the power and battery-status light blinks amber two times followed by a pause, and then blinks white three times followed by
a pause. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is detected.

The following table shows different power and battery-status light patterns and associated problems.

Table 3. LED codes

Diagnostic light codes

Problem description

2,1

Processor failure

2,2

System 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

3,1

Coin-cell 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

System BIOS Flash incomplete

3,7

Management Engine (ME) error

Camera status light:

Indicates whether the camera is in use.

•

Solid white — Camera is in use.

Troubleshooting

Содержание Inspiron 3782

Страница 1: ...Inspiron 3782 Service Manual Regulatory Model P35E Regulatory Type P35E006 ...

Страница 2: ...age 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 2019 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 2019 06 Rev A00 ...

Страница 3: ...rive 17 Procedure 17 7 Replacing the optical drive 19 Procedure 19 8 Removing the base cover 21 Prerequisites 21 Procedure 21 9 Replacing the base cover 23 Procedure 23 Post requisites 24 10 Removing the battery 25 Lithium ion battery precautions 25 Prerequisites 25 Procedure 25 11 Replacing the battery 27 Lithium ion battery precautions 27 Procedure 27 Post requisites 28 12 Removing the memory mo...

Страница 4: ... requisites 35 18 Removing the coin cell battery 36 Prerequisites 36 Procedure 36 19 Replacing the coin cell battery 37 Procedure 37 Post requisites 37 20 Removing the solid state drive 38 Prerequisites 38 Procedure 38 21 Replacing the solid state drive 40 Procedure 40 Post requisites 40 22 Removing the hard drive 41 Prerequisites 41 Procedure 41 23 Replacing the hard drive 43 Procedure 43 Post re...

Страница 5: ...ort 53 Removing the display assembly 53 Prerequisites 53 Procedure 53 Procedure 55 31 Replacing the power adapter port 57 Procedure 57 Replacing the display assembly 57 Procedure 57 Post requisites 59 32 Removing the display assembly 60 Prerequisites 60 Procedure 60 33 Replacing the display assembly 63 Procedure 63 Post requisites 64 34 Removing the I O board 65 Prerequisites 65 Procedure 65 35 Re...

Страница 6: ...dure 75 41 Replacing the power button with fingerprint reader 76 Procedure 76 Post requisites 76 42 Removing the palm rest and keyboard assembly 77 Prerequisites 77 Procedure 77 43 Replacing the palm rest and keyboard assembly 78 Procedure 78 Post requisites 78 44 Removing the display bezel 79 Prerequisites 79 Procedure 79 45 Replacing the display bezel 80 Procedure 80 Post requisites 80 46 Removi...

Страница 7: ...k cover and antenna assembly 91 Prerequisites 91 Procedure 91 55 Replacing the display back cover and antenna assembly 92 Procedure 92 Post requisites 92 56 Device drivers 93 Intel Chipset Software Installation Utility 93 Video drivers 93 Intel Serial IO driver 93 Intel Trusted Execution Engine Interface 93 Intel Virtual Button driver 93 Wireless and Bluetooth drivers 93 57 System setup 94 System ...

Страница 8: ...ing BIOS USB key 96 Enhanced Pre Boot System Assessment ePSA diagnostics 96 Running the ePSA diagnostics 97 System diagnostic lights 97 WiFi power cycle 98 Flea power release 98 59 Getting help and contacting Dell 99 8 Contents ...

Страница 9: ... Start Power Shut down NOTE If you are using a different operating system see the documentation of your operating system for shut down instructions 3 Disconnect your computer and all attached devices from their electrical outlets 4 Disconnect all attached network devices and peripherals such as keyboard mouse and monitor from your computer 5 Remove any media card and optical disc from your compute...

Страница 10: ...y screws remain inside your computer 2 Connect any external devices peripherals or cables you removed before working on your computer 3 Replace any media cards discs or any other parts 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 2 10 After working inside your computer ...

Страница 11: ...tive components such as expansion cards processors memory DIMMs and system boards Very slight charges can damage circuits in ways that may not be obvious such as intermittent problems or a shortened product life span As the industry pushes for lower power requirements and increased density ESD protection is an increasing concern Due to the increased density of semiconductors used in recent Dell pr...

Страница 12: ...test plug the wrist strap s bonding wire into the tester while it is strapped to your wrist and push the button to test A green LED is lit if the test is successful a red LED is lit and an alarm sounds if the test fails Insulator Elements It is critical to keep ESD sensitive devices such as plastic heat sink casings away from internal parts that are insulators and often highly charged Working Envi...

Страница 13: ... mechanical lifting device 1 Get a firm balanced footing Keep your feet apart for a stable base and point your toes out 2 Tighten stomach muscles Abdominal muscles support your spine when you lift offsetting the force of the load 3 Lift with your legs not your back 4 Keep the load close The closer it is to your spine the less force it exerts on your back 5 Keep your back upright whether lifting or...

Страница 14: ...Recommended tools The procedures in this document may require the following tools Philips screwdriver 1 Flat head screwdriver Plastic scribe 4 14 Recommended tools ...

Страница 15: ... M2x2 2 Base cover Palm rest and keyboard assembly M2x4 1 Base cover Palm rest and keyboard assembly M2 5x7 7 Battery Palm rest and keyboard assembly M2x3 4 Display panel Display back cover and antenna assembly M2x2 4 Hard drive assembly Palm rest and keyboard assembly M2x3 4 Hard drive bracket Hard drive M3x3 4 Heat sink Palm rest and keyboard assembly M2 5x5 2 Hinges Palm rest and keyboard assem...

Страница 16: ...Power button with fingerprint reader optional Palm rest and keyboard assembly M2x2 1 Solid state drive Intel Optane Palm rest and keyboard assembly M2x2 2 1 System board Palm rest and keyboard assembly M2x4 1 Touchpad Palm rest and keyboard assembly M2x2 4 Wireless card bracket System board M2x3 1 16 Screw list ...

Страница 17: ...ell com regulatory_compliance Procedure 1 Remove the screw M2x2 that secures the optical drive assembly to the base cover 2 Using a screwdriver push the optical drive through the slot to release the optical drive assembly out of the optical drive bay 3 Slide the optical drive assembly out of the optical drive bay 4 Remove the two screws M2x3 that secure the optical drive bracket to the optical dri...

Страница 18: ...18 Removing the optical drive ...

Страница 19: ...iance Procedure 1 Align the tabs on the optical drive bezel with the slots on the optical drive and snap the optical drive bezel into place 2 Align the screw holes on the optical drive bracket with the screw holes on the optical drive 3 Replace the two screws M2x3 that secure the optical drive bracket to the optical drive 4 Slide the optical drive assembly into the optical drive bay 5 Align the sc...

Страница 20: ...20 Replacing the optical drive ...

Страница 21: ...egulatory_compliance Prerequisites Remove the optical drive Procedure 1 Loosen the four captive screws on the base cover 2 Remove the screw M2x4 that secures the base cover to the palm rest and keyboard assembly 3 Remove the two screws M2x2 that secure the base cover to the palm rest and keyboard assembly 4 Remove the seven screws M2 5x7 that secure the base cover to the palm rest and keyboard ass...

Страница 22: ... if you want to further remove any other component from your computer 7 Disconnect the battery cable from the system board 8 Press and hold the power button for 5 seconds to ground the computer and drain the flea power 22 Removing the base cover ...

Страница 23: ... best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Connect the battery cable to the system board if applicable CAUTION To avoid accidental damage to the power adapter port do not press the base cover against the power adapter port when you snap the base cover to the computer base 2 Place the base cover on the palm rest and keyboard assembly an...

Страница 24: ...2 that secure the base cover to the palm rest and keyboard assembly 5 Replace the screw M2x4 that secures the base cover to the palm rest and keyboard assembly 6 Tighten the four captive screws that secure the base cover to the palm rest and keyboard assembly Post requisites Replace the optical drive 24 Replacing the base cover ...

Страница 25: ...nst 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 components If a battery gets stuck in a device as a result of swelling do not try to free it as puncturing bending or crushing a Lithium ion battery can be dangerous In such an instance contact for assistance and further instructi...

Страница 26: ...26 Removing the battery ...

Страница 27: ...y 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 components If a battery gets stuck in a device as a result of swelling do not try to free it as puncturing bending or crushing a Lithium ion battery can be da...

Страница 28: ...Post requisites 1 Replace the base cover 2 Replace the optical drive 28 Replacing the battery ...

Страница 29: ...de your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the optical drive 2 Remove the base cover Procedure 1 Locate the memory module on your computer 2 Use your fingertips to carefully spread apart the securing clips on each end of the memory module slot until the memory module pops up 3 Remove the memor...

Страница 30: ...r more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Align the notch on the memory module with the tab on the memory module slot 2 Slide the memory module firmly into the slot at an angle 3 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 Post requisi...

Страница 31: ... the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the optical drive 2 Remove the base cover Procedure 1 Locate the wireless card on your computer 2 Remove the screw M2x3 that secures the wireless card bracket to the system board 3 Slide and remove the wireless card bracket from the wireless card 4 Using a plastic scribe disconnect the antenna cables ...

Страница 32: ...32 Removing the wireless card ...

Страница 33: ...o the wireless card The following table provides the antenna cable color scheme for the wireless card supported by your computer Table 2 Antenna cable color scheme Connectors on the wireless card Antenna cable color Main white triangle White Auxiliary black triangle Black 2 Slide and replace the wireless card bracket on the wireless card 3 Align the notch on the wireless card with the tab on the w...

Страница 34: ...iance home page at www dell com regulatory_compliance Prerequisites 1 Remove the optical drive 2 Remove the base cover Procedure NOTE Applicable only for computers that are shipped with optical drive 1 Lift the latch and disconnect the optical drive connector board cable from the system board 2 Remove the two screws M2x2 that secure the optical drive connector board to the palm rest and keyboard a...

Страница 35: ...e page at www dell com regulatory_compliance Procedure 1 Align the screw hole on the optical drive connector board with the screw hole on the palm rest and keyboard assembly 2 Replace the two screws M2x2 that secure the optical drive connector board to the palm rest and keyboard assembly 3 Connect the optical drive connector board cable to the system board 4 Close the latch that secures the optica...

Страница 36: ...sets 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 Prerequisites 1 Remove the optical drive 2 Remove the base cover Procedure CAUTION Removing the coin cell battery resets the BIOS setup program s settings to default Before removing the coin cell battery it is recommended to note the BIOS setup p...

Страница 37: ...s in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 With the positive side facing up snap the coin cell battery into the battery socket on the I O board 2 If available adhere the tape that secures the coin cell battery to the I O board Post requisites 1 Replace the base cover 2 Replace the ...

Страница 38: ...olid state drives are fragile Exercise care when handling the solid state drive CAUTION To avoid data loss do not remove the solid state drive while the computer is in sleep or on state Prerequisites 1 Remove the optical drive 2 Remove the base cover Procedure 1 Locate the solid state drive on your computer NOTE If available remove the thermal shield before removing the solid state drive 2 Remove ...

Страница 39: ...Removing the solid state drive 39 ...

Страница 40: ...atory_compliance CAUTION Solid state drives are fragile Exercise care when handling the solid state drive Procedure 1 Align the notch on the solid state drive with the tab on the solid state drive slot 2 Slide the solid state drive into the solid state drive slot on the system board 3 Replace the screw M2x2 2 that secures the solid state drive to the palm rest and keyboard assembly NOTE If availab...

Страница 41: ...s 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 optical drive 2 Remove the base cover 3 Remove the battery Procedure 1 Open the latch and disconnect the hard drive cable from the system board 2 Remove the four screws M2x3 that secure the hard drive assembly to the ...

Страница 42: ...5 Remove the four screws M3x3 that secure the hard drive bracket to the hard drive 6 Lift the hard drive bracket off the hard drive 42 Removing the hard drive ...

Страница 43: ...gile Exercise care when handling the hard drive Procedure 1 Align the screw holes on the hard drive bracket with the screw holes on the hard drive 2 Replace the four screws M3x3 that secure the hard drive bracket to the hard drive 3 Connect the interposer to the hard drive assembly 4 Align the screw holes on the hard drive assembly with the screw holes on the palm rest and keyboard assembly 5 Repl...

Страница 44: ...Post requisites 1 Replace the battery 2 Replace the base cover 3 Replace the optical drive 44 Replacing the hard drive ...

Страница 45: ...requisites 1 Remove the optical drive 2 Remove the base cover 3 Remove the battery Procedure 1 Open the latch and disconnect the I O board cable from the system board 2 Open the latch and disconnect the hard drive cable from the system board 3 Gently peel the tape that secures the touchpad to the palm rest and keyboard assembly 4 Open the latch and disconnect the touchpad cable from the system boa...

Страница 46: ...46 Removing the touchpad ...

Страница 47: ...rd assembly and the gap on either sides of the touchpad is equal 1 Slide and place the touchpad into the slot on the palm rest and keyboard assembly 2 Replace the four screws M2x2 that secure the touchpad to the palm rest and keyboard assembly 3 Adhere the tape that secures the touchpad to the palm rest and keyboard assembly 4 Slide the touchpad cable into the touchpad connector on the system boar...

Страница 48: ...Post requisites 1 Replace the battery 2 Replace the base cover 3 Replace the optical drive 48 Replacing the touchpad ...

Страница 49: ...he Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the optical drive 2 Remove the base cover 3 Remove the solid state drive Procedure 1 Disconnect the speaker cable from the system board and lift the right speaker off the palm rest and keyboard assembly 2 Note the speaker cable routing and remove it from the routing guides on palm rest and key board ass...

Страница 50: ...egulatory_compliance Procedure NOTE If the rubber grommets are pushed out when removing the speakers push them back in before replacing the speakers 1 Using the alignment posts and rubber grommets place the left speakers in the slots on the palm rest and keyboard assembly 2 Route the speaker cable through the routing guides on the palm rest and keyboard assembly 3 Replace the right speaker 4 Conne...

Страница 51: ...e heat sink to cool before you touch it 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 Prerequisites 1 Remove the optical drive 2 Remove the base cover Procedure 1 Remove the display cable through the routing guide on the heat sink 2 In sequential order as indicat...

Страница 52: ...or 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 Procedure 1 Place the heat sink on the system board and align the screw holes on the heat sink with the screw holes on the system board 2 Replace the two screws M2 5x5 that secure the heat sink to the system board and palm rest and keyboard a...

Страница 53: ...de 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 Prerequisites 1 Remove the optical drive 2 Remove the base cover 3 Remove the wireless card Procedure 1 Lift the latch and disconnect the optical drive connector board cable from the system board 2 Lift the latch...

Страница 54: ... right hinges to the system board and palm rest and keyboard assembly 7 Open the hinges 8 Lift the palm rest and keyboard assembly at an angle 9 Slide and remove the palm rest and keyboard assembly off the display assembly 54 Removing the power adapter port ...

Страница 55: ...e 3 Disconnect the power adapter port cable from the system board 4 Note the power adapter port cable routing and remove it from the routing guides on the palm rest and keyboard assembly 5 Remove the screw M2x2 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 Removing the power adap...

Страница 56: ...56 Removing the power adapter port ...

Страница 57: ...palm rest and keyboard assembly 4 Connect the power adapter port cable to the system board 5 Close the right hinge 6 Replace the three screws M2 5x5 that secure the right hinge to the system board and palm rest assembly Replacing the display assembly NOTE Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before working inside yo...

Страница 58: ...e display cable through the routing guides on the heat sink and the palm rest and keyboard assembly 5 Slide the display cable to the connector on the system board and close the latch to secure the cable 6 Press down on the latch to connect the optical drive connector board cable to the optical drive connector board 7 Press down on the latch to connect the optical drive connector board cable to the...

Страница 59: ...Post requisites 1 Replace the wireless card 2 Replace the base cover 3 Replace the optical drive Replacing the power adapter port 59 ...

Страница 60: ...ess card Procedure 1 Lift the latch and disconnect the optical drive connector board cable from the system board 2 Lift the latch and disconnect the optical drive connector board cable from the optical drive board connector 3 Lift the optical drive connector board cable off the system board 4 Open the latch and disconnect the display cable from the system board 5 Note the routing of the display ca...

Страница 61: ... and keyboard assembly at an angle 9 Slide and remove the palm rest and keyboard assembly off the display assembly 10 After performing all the above steps you are left with display assembly Removing the display assembly 61 ...

Страница 62: ...62 Removing the display assembly ...

Страница 63: ...me page at www dell com regulatory_compliance Procedure NOTE Ensure that the hinges are opened to the maximum before replacing the display assembly on palm rest and keyboard assembly 1 Slide the palm rest and keyboard assembly under the hinges on the display assembly and close it 2 Using the alignment posts press the hinges down on the system board and the palm rest and keyboard assembly 3 Replace...

Страница 64: ... close the latch to secure the cable 6 Press down on the latch to connect the optical drive connector board cable to the optical drive connector board 7 Press down on the latch to connect the optical drive connector board cable to the system board Post requisites 1 Replace the wireless card 2 Replace the base cover 3 Replace the optical drive 64 Replacing the display assembly ...

Страница 65: ...ll battery resets the BIOS setup program s settings to default Before removing the I O board along with the coin cell battery it is recommended to note the BIOS setup program s settings 1 Remove the optical drive 2 Remove the base cover 3 Remove the battery 4 Remove the hard drive Procedure 1 Open the latch and disconnect the I O board cable from the system board 2 Peel the I O board cable from th...

Страница 66: ...ce home page at www dell com regulatory_compliance Procedure 1 Using the alignment posts place the I O board on the palm rest and keyboard assembly 2 Replace the screw M2x4 that secures the I O board to the palm rest and keyboard assembly 3 Adhere the I O board cable to the palm rest and keyboard assembly 4 Connect the I O board cable to the system board and close the latch to secure the cable Pos...

Страница 67: ...ce Prerequisites 1 Remove the optical drive 2 Remove the base cover Procedure 1 Remove the two screws M2 5x5 that secure the left hinge to palm rest and keyboard assembly 2 Open the left hinge 3 Open the latch and disconnect the power button board cable from the system board 4 Peel off the tape that secures the power button board to the palm rest and keyboard assembly 5 Remove the screw M2x3 that ...

Страница 68: ...68 Removing the power button board ...

Страница 69: ...ace the power button board on the palm rest and keyboard assembly and align the screw hole on the power button board with the screw hole on the palm rest and keyboard assembly 2 Replace the screw M2x3 that secures the power button board to the palm rest and keyboard assembly 3 Adhere the tape that secures the power button board to the palm rest and keyboard assembly 4 Slide the power button cable ...

Страница 70: ...Post requisites 1 Replace the base cover 2 Replace the optical drive 70 Replacing the power button board ...

Страница 71: ...er the Service Tag in the BIOS setup program after you replace the system board NOTE Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program You must make the appropriate 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 the cables co...

Страница 72: ...embly 2 Replace the screw M2x4 that secures the system board to the palm rest and keyboard assembly 3 Slide the power button board cable into the connector on the system board and close the latch 4 Slide the display cable into the connector on the system board and close the latch 5 Connect the power adapter port cable and speaker cable to the system board 6 Slide the finger print reader cable into...

Страница 73: ...o the connector on the system board and close the latch 17 Slide the optical drive connector board cable into the connector on the optical drive connector board and close the latch Post requisites 1 Replace the heat sink 2 Replace the solid state drive 3 Replace the wireless card 4 Replace the memory modules 5 Replace the battery Replacing the system board 73 ...

Страница 74: ...rn 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 NOTE Service tag is the alphanumeric identifier located at the back side of your computer 74 Replacing the system board ...

Страница 75: ...Prerequisites 1 Remove the optical drive 2 Remove the base cover 3 Remove the battery 4 Remove the solid state drive 5 Remove the heat sink 6 Remove the wireless card 7 Remove the power button board 8 Remove the system board Procedure 1 Peel the fingerprint reader cable off the palm rest and keyboard assembly 2 Remove the screw M2x2 that secures the power button with fingerprint reader to the palm...

Страница 76: ...t are shipped with fingerprint reader Procedure 1 Using the alignment posts align and place the power button with fingerprint reader on the palm rest and keyboard assembly 2 Replace the screw M2x2 that secures the power button with fingerprint reader to the palm rest and keyboard assembly 3 Adhere the fingerprint reader cable on the palm rest and keyboard assembly Post requisites 1 Replace the sys...

Страница 77: ...e Prerequisites 1 Remove the optical drive 2 Remove the base cover 3 Remove the battery 4 Remove the optical drive connector board 5 Remove the solid state drive 6 Remove the wireless card 7 Remove the speakers 8 Remove the hard drive 9 Remove the touchpad 10 Remove the power adapter port 11 Remove the display assembly 12 Remove the I O board 13 Remove the power button board 14 Remove the system b...

Страница 78: ...liance Procedure Place the palm rest and keyboard assembly on a flat surface Post requisites 1 Replace the power button with fingerprint reader optional 2 Replace the system board 3 Replace the power button board 4 Replace the I O board 5 Replace the display assembly 6 Replace the power adapter port 7 Replace the touchpad 8 Replace the hard drive 9 Replace the speakers 10 Replace the wireless card...

Страница 79: ... For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the optical drive 2 Remove the base cover 3 Remove the wireless card 4 Remove the display assembly Procedure 1 Using a plastic scribe carefully pry up the display bezel from the top left outer edge of the display back cover and antenna assembly 2 Remove the display b...

Страница 80: ...ons in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure Align the display bezel with the display back cover and antenna assembly and then gently snap the display bezel into place Post requisites 1 Replace the display assembly 2 Replace the wireless card 3 Replace the base cover 4 Replace the op...

Страница 81: ...st practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the optical drive 2 Remove the base cover 3 Remove the wireless card 4 Remove the display assembly 5 Remove the display bezel Procedure 1 Using a plastic scribe gently pry the camera off the display back cover and antenna assembly 2 Disconnect the camera cable from the camera module 3 ...

Страница 82: ...e your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Connect the camera cable to the camera module 2 Using the alignment post adhere the camera module on the display back cover and antenna assembly Post requisites 1 Replace the display bezel 2 Replace the display assembly 3 Replace the wireless card 4 Replace the b...

Страница 83: ... Prerequisites 1 Remove the optical drive optional 2 Remove the base cover 3 Remove the wireless card 4 Remove the display assembly 5 Remove the display bezel Procedure 1 Remove the four screws M2x2 that secure the display panel to the display back cover and antenna assembly 2 Lift the display panel and turn it over 3 Peel the tape adhering the display cable to the back of the display panel 4 Lift...

Страница 84: ...84 Removing the display panel ...

Страница 85: ...pliance Procedure 1 Place the display panel on a flat and clean surface 2 Connect the display cable to the connector at the back of the display panel and close the latch to secure the cable 3 Adhere the tape that secures the display cable to the back of the display panel 4 Place the display panel on the display back cover and antenna assembly 5 Align the screw holes on the display panel with the s...

Страница 86: ...Post requisites 1 Replace the display bezel 2 Replace the display assembly 3 Replace the wireless card 4 Replace the base cover 5 Replace the optical drive optional 86 Replacing the display panel ...

Страница 87: ... dell com regulatory_compliance Prerequisites 1 Remove the optical drive 2 Remove the base cover 3 Remove the wireless card 4 Remove the display assembly 5 Remove the display bezel 6 Remove the display panel Procedure 1 Remove the eight screws M2 5x4 that secure the display hinges to the display back cover and antenna assembly 2 Remove the two screws M2x2 that secure the display hinge brackets to ...

Страница 88: ...liance Procedure 1 Align the screw holes on the display hinges and brackets with the screw holes on the display back cover and antenna assembly 2 Replace the two screws M2x2 that secure the display hinge brackets to the display back cover and antenna assembly 3 Replace the eight screws M2 5x4 that secure the display hinges to the display back cover and antenna assembly Post requisites 1 Replace th...

Страница 89: ...home page at www dell com regulatory_compliance Prerequisites 1 Remove the optical drive 2 Remove the base cover 3 Remove the wireless card 4 Remove the display assembly 5 Remove the display bezel 6 Remove the display panel 7 Remove the display hinges Procedure 1 Disconnect the camera cable from the camera module 2 Note the display cable routing and remove the cable from the routing guides on the ...

Страница 90: ...see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Route the display cable through the routing guides on the display back cover and antenna assembly 2 Slide the camera cable into the connector on the camera module to secure the cable Post requisites 1 Replace the display hinges 2 Replace the display panel 3 Replace the display bezel 4 Replace the display asse...

Страница 91: ...e safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the optical drive 2 Remove the base cover 3 Remove the wireless card 4 Remove the display assembly 5 Remove the display bezel 6 Remove the camera 7 Remove the display panel 8 Remove the display hinges 9 Remove the display cable Procedure After performing all the above steps ...

Страница 92: ...r more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure Place the display back cover and antenna assembly on a clean and flat surface Post requisites 1 Replace the display cable 2 Replace the display hinges 3 Replace the display panel 4 Replace the camera 5 Replace the display bezel 6 Replace the display assembly 7 Replace the wireless c...

Страница 93: ...l com support Intel Trusted Execution Engine Interface In the Device Manager check if the Intel Trusted Execution Engine Interface driver is installed Install the driver update from www dell com support Intel Virtual Button driver In the Device Manager check if the Intel Virtual Button driver is installed Install the driver updates from www dell com support Wireless and Bluetooth drivers In the De...

Страница 94: ...ed This prompt can appear very quickly so you must watch for it and then press F2 If you press F2 before the F2 prompt this keystroke is lost If you wait too long and the operating system logo appears continue to wait until you see the desktop Then turn off your computer and try again Navigation keys NOTE For most of the System Setup options changes that you make are recorded but do not take effec...

Страница 95: ...tem Setup screen Clearing CMOS settings CAUTION Clearing CMOS settings will reset the BIOS settings on your computer 1 Remove the base cover 2 Disconnect the battery cable from the system board 3 Remove the coin cell battery 4 Wait for one minute 5 Replace the coin cell battery 6 Connect the battery cable to the system board 7 Replace the base cover Clearing BIOS System Setup and System passwords ...

Страница 96: ...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 from the One Time Boot Menu 7 Type the BIOS setup program filename and press Enter 8 The BIOS Update Utility appears Follow the instructions on the screen to complete the BIOS update Enhanced Pre Boot System Assessment ePSA diagnostics CAUTION ...

Страница 97: ...ttery and the battery has more than 5 percent charge Computer is in sleep state hibernation or turned off The power and battery status light blinks amber along with beep codes indicating failures For example the power and battery status light blinks amber two times followed by a pause and then blinks white three times followed by a pause This 2 3 pattern continues until the computer is turned off ...

Страница 98: ...ice 1 Turn off your computer 2 Turn off the modem 3 Turn off the wireless router 4 Wait for 30 seconds 5 Turn on the wireless router 6 Turn on the modem 7 Turn on your computer 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 provides the instructions on how to c...

Страница 99: ... 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 to your product identify your product through one of the following Select Detec...

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Dell Inspiron 3782, Руководство по обслуживанию

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Содержание Inspiron 3782

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