Dell Inspiron 3185 Service Manual Download Page 30 | Manualshive

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3. antenna cables (2)

4. wireless card

5. wireless-card slot

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Removing the wireless card

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Summary of Contents for Inspiron 3185

Page 1: ...Inspiron 3185 Service Manual Regulatory Model P25T Regulatory Type P25T003 September 2020 Rev A01 ...

Page 2: ...tial damage 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 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 ...

Page 3: ...ecautions 14 Prerequisites 14 Procedure 14 Chapter 6 Replacing the battery 16 Procedure 16 Post requisites 16 Chapter 7 Removing the power and volume buttons board 17 Prerequisites 17 Procedure 17 Chapter 8 Replacing the power and volume buttons board 19 Procedure 19 Post requisites 19 Chapter 9 Removing the power adapter port 20 Prerequisites 20 Procedure 20 Chapter 10 Replacing the power adapter...

Page 4: ...e 31 Post requisites 32 Chapter 17 Removing the coin cell battery 33 Prerequisites 33 Procedure 33 Chapter 18 Replacing the coin cell battery 35 Procedure 35 Post requisites 35 Chapter 19 Removing the speakers 36 Prerequisites 36 Procedure 36 Chapter 20 Replacing the speakers 38 Procedure 38 Post requisites 38 Chapter 21 Removing the heat sink 39 Prerequisites 39 Procedure 39 Chapter 22 Replacing ...

Page 5: ...ving the system board 53 Prerequisites 53 Procedure 53 Chapter 30 Replacing the system board 58 Procedure 58 Post requisites 58 Entering the Service Tag in the BIOS setup program 58 Chapter 31 Removing the palm rest and keyboard assembly 59 Prerequisites 59 Procedure 59 Chapter 32 Replacing the palm rest and keyboard assembly 61 Procedure 61 Post requisites 61 Chapter 33 Removing the display panel...

Page 6: ...ding the USB driver 76 Network adapter and Bluetooth drivers 76 Downloading the network driver 77 Chapter 42 System setup 78 Boot Sequence 78 Navigation keys 78 BIOS overview 79 Entering BIOS setup program 79 System setup options 79 Chapter 43 System and setup password 83 Assigning a system password and setup password 83 Deleting or changing an existing system and or setup password 83 Clearing CMO...

Page 7: ...Beep codes 86 Flea power release 87 Wi Fi power cycle 87 Chapter 45 Getting help and contacting Dell 88 Contents 7 ...

Page 8: ...the computer replace all covers panels and screws before connecting to the electrical outlet CAUTION To avoid damaging the computer ensure that the work surface is flat and clean CAUTION To avoid damaging the components and cards handle them by their edges and avoid touching pins and contacts CAUTION You should only perform troubleshooting and repairs as authorized or directed by the Dell technica...

Page 9: ...t Palm rest and keyboard assembly M2x2 Big head 1 Hard drive Palm rest and keyboard assembly M3x3 1 Hard drive bracket Hard drive M3x3 4 Hinges Palm rest and keyboard assembly M2 5x5 4 Hinge plate Cover M2 5x2 5 Big head 4 I O board Palm rest and keyboard assembly M2x3 2 Power adapter Palm rest and keyboard assembly M2x3 1 System board Palm rest and keyboard assembly M2x2 Big Head 1 Touch pad Palm...

Page 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 ...

Page 11: ... your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Procedure 1 Close the display and turn the computer over 2 Using a plastic scribe pry the screw cover from the base cover Figure 37 Removing the screw cover a base cover b screw cover c plastic scribe 3 Remove the nine screws M2 5x7 that secure the base cover...

Page 12: ...ws from the base cover a M2 5x7 screws 9 b base cover 4 Using a plastic scribe pry the base cover from the palm rest and keyboard assembly Figure 39 Removing the base cover a plastic scribe b base cover 12 Removing the base cover ...

Page 13: ...side your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Procedure 1 Slide the tabs on the base cover into the slots on the palm rest and keyboard assembly and snap the base cover into place 2 Replace the nine screws M2 5x7 that secure the base cover to the palm rest and keyboard assembly 3 Replace the screw co...

Page 14: ...tery with 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 sys...

Page 15: ...ving the battery 1 battery cable 2 screw M2x3 3 battery 4 palm rest and keyboard assembly 4 Turn the computer over 5 Press and hold the power button for five seconds to ground the system board Removing the battery 15 ...

Page 16: ... your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Align the screw hole on the battery with the screw hole on the palm rest and keyboard assembly 2 Replace the screw M2X3 that secures the battery to the palm rest and keyboard assembly 3 Connect the battery cable to the system board...

Page 17: ...ompliance Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Open the latch and disconnect the power and volume buttons board cable from the I O board 2 Peel the tape that secures the power and volume buttons board to the palm rest and keyboard assembly 3 Using a plastic scribe pry the power and volume buttons board along with its cable off the pa...

Page 18: ...5 power and volume buttons board 6 palm rest and keyboard assembly 18 Removing the power and volume buttons board ...

Page 19: ...latory Compliance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Place the power and volume buttons board into the slot on the palm rest and keyboard assembly 2 Adhere the tape that secures the power and volume buttons board to the palm rest and keyboard assembly 3 Slide the power and volume buttons board cable into the connector on the I O board and c...

Page 20: ...or more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Disconnect the power adapter port cable from the system board 2 Remove the screw M2x3 that secures the power adapter port to the palm rest and keyboard assembly 3 Lift the power adapter port...

Page 21: ...Figure 42 Removing the power adapter port a power adapter port cable b M2x3 screw c power adapter port Removing the power adapter port 21 ...

Page 22: ...ance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Place the power adapter port into the slot on the palm rest and keyboard assembly 2 Align the screw hole on the power adapter port with the screw hole on the palm rest and keyboard assembly 3 Replace the screw M2X3 that secures the power adapter port to the palm rest and keyboard assembly 4 Connect th...

Page 23: ...ling the hard drive CAUTION To avoid data loss do not remove the hard drive while the computer is in sleep or on state Topics Prerequisites Procedure Prerequisites NOTE Applicable only for computers that are shipped with a hard drive 1 Remove the base cover 2 Remove the battery Procedure 1 Remove the screw M2x3 that secures the hard drive assembly to the palm rest and keyboard assembly 2 Remove th...

Page 24: ...m rest and keyboard assembly 5 Remove the four screws M3x3 that secure the hard drive bracket to the hard drive 6 Lift the hard drive from the hard drive bracket Figure 44 Removing the screws from the hard drive a M3x3 screws 4 b hard drive bracket c hard drive 24 Removing the hard drive ...

Page 25: ... Exercise care when handling the hard drive Topics Procedure Post requisites Procedure 1 Align the screw holes on the hard drive with the screw holes on the hard drive bracket 2 Replace the four screws M3x3 that secure the hard drive bracket to the hard drive 3 Align the screw holes on the hard drive assembly with the screw holes on the palm rest and keyboard assembly system board and I O board 4 ...

Page 26: ...ites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery 3 Follow the procedure from step 1 to step 4 in Removing the hard drive Only for computers shipped with a hard drive Procedure 1 Open the latches and disconnect the I O board cable power and volume buttons board cable and sensor board cables from the I O board Figure 45 Disconnecting the cables from the IO board 1 I O board ...

Page 27: ...Figure 46 Removing the screws from the IO board a M2x3 screws 2 b I O board c palm rest and keyboard assembly 3 Lift the I O board off the palm rest and keyboard assembly Removing the I O board 27 ...

Page 28: ...requisites Procedure 1 Place the I O board on the palm rest and keyboard assembly 2 Align the screw holes on the I O board with the screw holes on the palm rest and keyboard assembly 3 Replace the two screws M2x3 that secure the I O board to the palm rest and keyboard assembly 4 Slide the power and volume buttons board sensor board cable and I O board cables into their respective slots on the I O ...

Page 29: ...liance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Remove the screw M2x3 that secures the wireless card to the palm rest and keyboard assembly 2 Lift the wireless card bracket from the wireless card 3 Disconnect the antenna cables from the wireless card 4 Slide the wireless card from the wirel...

Page 30: ...3 antenna cables 2 4 wireless card 5 wireless card slot 30 Removing the wireless card ...

Page 31: ...e notch on the wireless card with the tab on the wireless card slot on the system board 2 Slide the wireless card into the wireless card slot on the system board 3 Connect the antenna cables to the wireless card The following table provides the antenna cable color scheme for the wireless card supported by your computer Table 11 Antenna cable color scheme Connectors on the wireless card Antenna cab...

Page 32: ...g the wireless card 1 tab 2 notch 3 wireless card 4 antenna cables 2 5 M2x3 screw 6 wireless card bracket 7 wireless card slot Post requisites 1 Replace the battery 2 Replace the base cover 32 Replacing the wireless card ...

Page 33: ... battery 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 Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Disconnect the coin cell battery cable from the system board 2 Remove the antenna and coin cell battery cables from the routing guide...

Page 34: ...I O board cable over to access the coin cell battery 5 Peel off the coin cell battery from the palm rest and keyboard assembly Figure 50 Removing the coin cell battery a I O board cable b coin cell battery c coin cell battery cable 34 Removing the coin cell battery ...

Page 35: ...atory_compliance Topics Procedure Post requisites Procedure 1 With the positive side facing up place the coin cell battery on the palm rest and keyboard assembly 2 Route the coin cell battery cable and the antenna cables through the routing guides on the right speaker 3 Connect the coin cell battery cable to the system board 4 Place the I O board cable over the coin cell battery 5 Slide the I O bo...

Page 36: ...Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Disconnect the speaker cable from the system board 2 Remove the coin cell battery and antenna cables from the routing guides on the right speaker 3 Release the speakers from the alignment posts and lift the speakers off the palm rest and k...

Page 37: ...3 speakers 2 4 speaker cable Removing the speakers 37 ...

Page 38: ...ctices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Using the alignment posts on the palm rest and keyboard assembly place the speakers on the palm rest and keyboard assembly 2 Route the coin cell battery and antenna cables through the routing guides on the palm rest and keyboard assembly 3 Connect the speaker cable to t...

Page 39: ...g normal operation Allow sufficient time for the 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 Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 In a reverse sequential orde...

Page 40: ...b heat sink 40 Removing the heat sink ...

Page 41: ...he system board and processor NOTE The original thermal grease can be reused if the original system board and heat sink are reinstalled together If either the system board or the heat sink is replaced use the thermal pad provided in the kit to ensure that thermal conductivity is achieved Topics Procedure Post requisites Procedure 1 Place the heat sink on the system board and align the screw holes ...

Page 42: ...ome page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the heat sink Procedure 1 Locate the memory module and lift the Mylar to access the memory module 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 memory...

Page 43: ... home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Lift the Mylar to access the memory module slot 2 Align the notch on the memory module with the tab on the memory module slot and 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 an...

Page 44: ...2 Replace the base cover 3 Replace the memory module 44 Replacing the memory module ...

Page 45: ... home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Open the latch and disconnect the touchpad cable from the touchpad 2 Peel the tapes from the touchpad 3 Turn the keyboard cable over and place it on the system board Figure 55 Disconnecting the touchpad cable 1 tapes 2 touchpad cable 3 latch 4 touch...

Page 46: ...5 Slide and remove the touchpad away from the palm rest and keyboard assembly Figure 56 Removing the touchpad a M2x2 screws 4 b touchpad c palm rest and keyboard assembly 46 Removing the touchpad ...

Page 47: ...cs Procedure Post requisites Procedure 1 Slide the tabs on the touchpad into the slots on the palm rest and keyboard assembly 2 Align the screw holes on the touchpad with the screw holes on the palm rest and keyboard assembly 3 Replace the four screws M2x2 that secure the touchpad to the palm rest and keyboard assembly 4 Place the keyboard cable over the touchpad 5 Adhere the tapes over the touchp...

Page 48: ... safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the wireless card Procedure 1 Remove the screw M2x3 that secures the display cable bracket to the system board 2 Lift the display cable bracket off the system board 3 Peel off the tape to access the d...

Page 49: ... display cable 4 tape 5 latch 5 Open the latch and disconnect the sensor board cable from the I O board 6 Remove the antenna cable from the routing guide on the right speaker 7 Open the latch and disconnect the I O board cable from the system board Removing the display assembly 49 ...

Page 50: ...ble 6 latch 8 Peel the tapes off the display hinges Figure 59 Removing the tapes a I O board cable b tape 9 Lift the palm rest and keyboard assembly as far as possible and then turn the computer over CAUTION Place the computer on a soft and clean surface to avoid scratching the display 50 Removing the display assembly ...

Page 51: ...urface 11 Remove the four screws M2 5x5 that secure the display assembly to the palm rest and keyboard assembly 12 Lift the display assembly off the palm rest and keyboard assembly Figure 61 Removing the display assembly a display assembly b M2 5x5 screws 4 c palm rest and keyboard assembly Removing the display assembly 51 ...

Page 52: ...d assembly 3 Replace the four screws M2 5x5 that secure the display assembly to the palm rest and keyboard assembly 4 Turn the computer over and close the display 5 Slide the I O board cable into its slot on the system board and press down the latch to secure the cable 6 Route the antenna cable through its routing on the right speaker 7 Slide the sensor board cable into its slot on the I O board a...

Page 53: ...em 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 correctly after you replace the system board Topics Prerequisites Procedure Prerequisites 1 Remove the ba...

Page 54: ...2 latch 3 coin cell battery cable 4 speaker cable 5 system board 3 Remove the screw M2x3 that secures the display cable bracket to the system board and lift the display cable bracket off the system board 4 Disconnect the display cable from the system board 54 Removing the system board ...

Page 55: ...splay cable 4 tape 5 latch 6 system board 5 Open the latch and disconnect the touchpad cable from the system board 6 Open the latch and disconnect the keyboard cable from the system board 7 Disconnect the power adapter port cable from the system board Removing the system board 55 ...

Page 56: ...m board 2 power adapter port cable 3 latch 4 touchpad cable 5 keyboard cable 8 Remove the screw M2x3 that secures the system board to the palm rest and keyboard assembly 9 Lift the system board off the palm rest and keyboard assembly 56 Removing the system board ...

Page 57: ...Figure 65 Removing the system board a system board b palm rest and keyboard assembly Removing the system board 57 ...

Page 58: ...pter port cable and the speaker cable to the system board 4 Slide the touchpad cable into the slot on the system board and press down the latch to secure the cable 5 Slide the keyboard cable into its slot on the system board and press down the latch to secure the cable 6 Slide the I O board cable into the slot on the system board and press down the latch to secure the cable 7 Align the screw hole ...

Page 59: ...egulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the power and volume buttons board 4 Remove the wireless card 5 Follow the procedure from Removing the hard drive Only for computers shipped with a hard drive 6 Remove the I O board 7 Remove the power adapter port 8 Remove the touchpad 9 Remove the speakers 10 Remove the system b...

Page 60: ...Figure 66 Palm rest and keyboard assembly 1 palm rest and keyboard assembly 60 Removing the palm rest and keyboard assembly ...

Page 61: ...ll com regulatory_compliance Topics Procedure Post requisites Procedure Place the palm rest and keyboard assembly on a flat surface with the keyboard facing down Post requisites 1 Replace the display assembly 2 Replace the system board 3 Replace the speakers 4 Replace the touchpad 5 Replace the power adapter port 6 Replace the I O board 7 Follow the procedure from step 3 to step 4 in Replacing the...

Page 62: ... regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the wireless card 4 Remove the display assembly Procedure 1 Release the sensor board cable from the routing guide on the right hinge 2 Release the display cable from the routing guides on the left hinge 3 Using a plastic scribe pry the display panel off the display back cover F...

Page 63: ...7 display back cover Removing the display panel 63 ...

Page 64: ...at www dell com regulatory_compliance Topics Procedure Post requisites Procedure CAUTION Place the computer on a soft and clean surface to avoid scratching the display 1 Align the display panel on the display back cover and snap the display panel into place 2 Route the display cable through the routing guide on the left hinge 3 Route the sensor board cable through the routing guide on the right hi...

Page 65: ...ics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the wireless card 4 Remove the display assembly 5 Remove the display panel Procedure 1 Peel the tapes and remove the antenna cables from the routing guides on the display back cover Figure 68 Removing the antenna cables a antenna cables 2 b tape c hinge cover 2 2 Remove the two screws M2x2 5 and four sc...

Page 66: ...Figure 69 Removing the display hinges a M2x2 5 screws 2 and M2 5x2 5 screws 4 b display back cover and antenna assembly c hinges 2 66 Removing the display hinges ...

Page 67: ...mpliance Topics Procedure Post requisites Procedure 1 Align the screw holes on the display hinges with the screw holes on the display back cover and antenna assembly 2 Replace the two screws M2x2 5 and four screws M2 5x2 5 that secure the display hinges to the display back cover and antenna assembly 3 Route the antenna cables through the routing guides on the display back cover and secure it in pl...

Page 68: ...ce home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the wireless card 4 Remove the display assembly 5 Remove the display panel Procedure CAUTION Place the display panel assembly on a soft and clean surface to avoid scratching the display 1 Peel the tape to access the latch for the display cable 2 Open...

Page 69: ...panel 2 latch 3 display cable 4 tape 4 Using a plastic scribe pry the camera off the display back cover 5 Turn the camera over and disconnect the camera cable from the camera Figure 71 Removing the camera 1 plastic scribe 2 camera Removing the camera 69 ...

Page 70: ...3 camera cable 4 display back cover 70 Removing the camera ...

Page 71: ...ance Topics Procedure Post requisites Procedure 1 Connect the camera cable to the camera 2 Using the alignment post place the camera on the display back cover and snap it into place 3 Slide the display cable into its slot on the display back cover and press down the latch to secure the cable 4 Adhere the tape on the display cable connector 5 Adhere the tape to secure the display cable to the displ...

Page 72: ...tory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the wireless card 4 Remove the display assembly 5 Remove the display panel Procedure CAUTION Place the display panel assembly on a soft and clean surface to avoid scratching the display 1 Open the latch and disconnect the sensor board ca...

Page 73: ...Figure 72 Removing the sensor board 1 sensor board cable 2 latch 3 plastic scribe 4 sensor board Removing the sensor board 73 ...

Page 74: ...actices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Align the sensor board on the display back cover and snap the sensor board into place 2 Slide the sensor board cable into the slot on the sensor board and press down the latch to secure the cable Post requisites 1 Replace the display panel 2 Replace the display assembl...

Page 75: ...ted for your computer 10 Select a location to save the files 11 If prompted approve requests from User Account Control to make changes on the system 12 The application installs all drivers and updates identified NOTE Not all files can be installed automatically Review the installation summary to identify if manual installation is necessary 13 For manual download and installation click Category 14 ...

Page 76: ...k Submit NOTE If you do not have the Service Tag use the autodetect feature or manually browse for your computer model 4 Click Drivers downloads 5 Click the Detect Drivers button 6 Review and agree to the Terms and Conditions to use SupportAssist then click Continue 7 If necessary your computer starts to download and install SupportAssist NOTE Review on screen instructions for browser specific ins...

Page 77: ...ic instructions 8 Click View Drivers for My System 9 Click Download and Install to download and install all driver updates detected for your computer 10 Select a location to save the files 11 If prompted approve requests from User Account Control to make changes on the system 12 The application installs all drivers and updates identified NOTE Not all files can be installed automatically Review the...

Page 78: ...Drive NOTE XXX denotes the SATA drive number Optical Drive if available SATA Hard Drive if available Diagnostics NOTE Choosing Diagnostics will display the ePSA diagnostics screen The boot sequence screen also displays the option to access the System Setup screen Navigation keys NOTE For most of the System Setup options changes that you make are recorded but do not take effect until you restart th...

Page 79: ...u 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 System setup options NOTE Depending on this computer and its installed devices the items listed in this section may or may not appear Table 12 System setup options Main menu Main System Time Displays t...

Page 80: ...onfigure 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 or multimedia key as the default function key behavior Default Multimedia key Battery Health D...

Page 81: ...able or disable the BIOS module interface of the optional Computrace Service from Absolute Software Default Deactivate Firmware TPM Enable or disable the firmware TPM Default Disabled PPI Bypass for Clear Command Enable or disable the PPI Bypass for Clear Command Default Disabled UEFI Firmware Capsule Updates Enable or disable BIOS updates through UEFI capsule update packages Default Enabled Table...

Page 82: ...ut Exit Allows you to save your changes without exiting system setup Exit Discarding Changes Allows you to exit system setup without saving your changes Load Optimal Defaults Allows you to restore default values for all system setup options Discard Changes Allows you to load previous values for all system setup options 82 System setup ...

Page 83: ...er on or re boot 1 In the System BIOS or System Setup screen select Security and press Enter The Security screen is displayed 2 Select System Password and create a password in the Enter the new password field Use the following guidelines to assign the system password A password can have up to 32 characters The password can contain the numbers 0 through 9 Only lower case letters are valid upper cas...

Page 84: ...en promoted If you delete the System and or Setup password confirm the deletion when promoted 5 Press Esc and a message prompts you to save the changes 6 Press Y to save the changes and exit from System Setup The computer reboots Clearing CMOS settings CAUTION Clearing CMOS settings will reset the BIOS settings on your computer 1 Remove the base cover 2 Remove the battery 3 Disconnect the coin cel...

Page 85: ...Service Tag or Express Service Code of your Dell computer Your Dell computer is uniquely identified by a Service Tag or Express Service Code To view relevant support resources for your Dell computer we recommend entering the Service Tag or Express Service Code at www dell com support For more information on how to find the Service Tag for your computer see Locate the Service Tag for your Dell Lapt...

Page 86: ... 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 from the One Time Boot Menu 7 Type the BIOS setup program filename and press Enter 8 The BIOS ...

Page 87: ...ea power 4 Replace the base cover 5 Turn on your computer Wi Fi power cycle If your computer is unable to access the internet due to Wi Fi connectivity issues a Wi Fi power cycle procedure may be performed The following procedure provides the instructions on how to conduct a Wi Fi power cycle NOTE Some ISPs Internet Service Providers provide a modem router combo device 1 Turn off your computer 2 T...

Page 88: ...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 to your product identify your product through one of the following Selec...

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