Dell Inspiron 24 5415 Service Manual Download Page 4

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Fan........................................................................................................................................................................................ 36

Removing the fan........................................................................................................................................................ 36
Installing the fan...........................................................................................................................................................37

Speakers.............................................................................................................................................................................. 38

Removing the speakers..............................................................................................................................................38
Installing the speakers................................................................................................................................................39

Coin-cell battery................................................................................................................................................................ 40

Removing the coin-cell battery................................................................................................................................40
Installing the coin-cell battery...................................................................................................................................41

Heat sink..............................................................................................................................................................................42

Removing the heat sink..............................................................................................................................................42
Installing the heat sink................................................................................................................................................43

Media-card reader.............................................................................................................................................................44

Removing the media-card reader............................................................................................................................ 44
Installing the media-card reader.............................................................................................................................. 45

Power-button board......................................................................................................................................................... 46

Removing the power-button board.........................................................................................................................46
Installing the power-button board........................................................................................................................... 47

System board..................................................................................................................................................................... 49

Removing the system board..................................................................................................................................... 49
Installing the system board....................................................................................................................................... 52

Microphones.......................................................................................................................................................................56

Removing the microphones...................................................................................................................................... 56
Installing the microphones.........................................................................................................................................57

Antennas............................................................................................................................................................................. 59

Removing the antennas............................................................................................................................................. 59
Installing the antennas............................................................................................................................................... 60

Display panel........................................................................................................................................................................61

Removing the display panel....................................................................................................................................... 61
Installing the display panel.........................................................................................................................................63

Base panel...........................................................................................................................................................................65

Removing the base panel.......................................................................................................................................... 65
Installing the base panel.............................................................................................................................................67

Chapter 3: Drivers and downloads............................................................................................... 69

Chapter 4: System setup............................................................................................................. 70

Updating the BIOS.............................................................................................................................................................77

Updating the BIOS in Windows................................................................................................................................ 77

Contents

Summary of Contents for Inspiron 24 5415

Page 1: ...Inspiron 24 5415 All in One Service Manual Regulatory Model W29C Regulatory Type W29C002 April 2022 Rev A01 ...

Page 2: ...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 2022 Dell Inc or its subsidiaries All rights reserved Dell Technologies Dell and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners ...

Page 3: ...e I O cover 18 Hinges 19 Removing the display hinges 19 Installing the display hinges 20 Hard drive 21 Removing the hard drive 21 Installing the hard drive 22 System board shield 23 Removing the system board shield 23 Installing the system board shield 24 Memory module 25 Removing the memory module 25 Installing the memory module 26 Wireless card 27 Removing the wireless card 27 Installing the wir...

Page 4: ...d 52 Microphones 56 Removing the microphones 56 Installing the microphones 57 Antennas 59 Removing the antennas 59 Installing the antennas 60 Display panel 61 Removing the display panel 61 Installing the display panel 63 Base panel 65 Removing the base panel 65 Installing the base panel 67 Chapter 3 Drivers and downloads 69 Chapter 4 System setup 70 Entering BIOS setup program 70 Navigation keys 7...

Page 5: ...e the Service Tag or Express Service Code of your Dell computer 79 System diagnostic lights 79 SupportAssist diagnostics 80 Built in self test BIST 80 LCD Built in Self Test BIST 80 Recovering the operating system 81 WiFi power cycle 81 Drain residual flea power perform hard reset 81 Chapter 6 Getting help and contacting Dell 82 Contents 5 ...

Page 6: ...r computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance WARNING Disconnect 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 ens...

Page 7: ...may cause degradation of memory integrity intermittent memory errors etc The more difficult type of damage to recognize and troubleshoot is the intermittent also called latent or walking wounded failure Perform the following steps to prevent ESD damage Use a wired ESD wrist strap that is properly grounded The use of wireless anti static straps is no longer allowed they do not provide adequate prot...

Page 8: ...n static safe packaging Metal static shielded bags are preferred However you should always return the damaged part using the same ESD bag and packaging that the new part arrived in The ESD bag should be folded over and taped shut and all the same foam packing material should be used in the original box that the new part arrived in ESD sensitive devices should be removed from packaging only at an E...

Page 9: ...re that no stray 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 Working inside your computer 9 ...

Page 10: ...w storage box This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced NOTE Some computers have magnetic surfaces Ensure that the screws are not left attached to such surfaces when replacing a component NOTE Screw color may vary with the configuration ordered Table 1 Screw list Component Screw type Quantity Screw image I O cover M3x5 5 D...

Page 11: ... Media card reader M3x3 5 1 Power button board M3x5 1 System board M3x5 6 Microphones M2x3 5 4 Display panel M3x5 10 Display panel M3x3 5 Base panel M3x5 13 Major components of Inspiron 24 5415 All in One The following image shows the major components of Inspiron 24 5415 All in One Removing and installing components 11 ...

Page 12: ...isplay panel 12 Power button board with cable 13 Display hinges 14 Media card reader 15 Base panel 16 Hard drive bracket 17 Hard drive 18 Wireless card bracket 19 Wireless card 20 System board 21 M 2 2280 solid state drive 22 M 2 2230 solid state drive 23 System board shield 24 Retractable camera assembly 12 Removing and installing components ...

Page 13: ... the surface with the stand hanging over the edge It is recommended to remove the stand to avoid accidental damage to the computer display when servicing NOTE The following procedure is applicable for both Y stand and Isosceles stand NOTE For replacement of stand or display hinges the replacement kit is shipped with both stand and display hinges and you must replace both of these components togeth...

Page 14: ...TE The following procedure is applicable for both Y stand and Isosceles stand NOTE For replacement of stand or display hinges the replacement kit is shipped with both stand and display hinges and you must replace both of these components together Refer to the procedure for removing the display hinges and installing the display hinges About this task The following image indicates the location of th...

Page 15: ...king inside your computer CAUTION When servicing the computer place it on an elevated clean and flat surface Place the display flat on the surface with the stand hanging over the edge It is recommended to remove the stand to avoid accidental damage to the computer display when servicing About this task The following image indicates the location of the back cover and provides a visual representatio...

Page 16: ...over from the display assembly base Installing the back cover 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 back cover and provides a visual representation of the installation procedure 16 Removing and installing components ...

Page 17: ...in After working inside your computer I O cover Removing the I O cover Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover About this task The following image indicates the location of the I O cover and provides a visual representation of the removal procedure Removing and installing components 17 ...

Page 18: ...ly base Installing the I O cover 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 I O cover and provides a visual representation of the installation procedure 18 Removing and installing components ...

Page 19: ...hinges Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover NOTE For replacement of stand or display hinges the replacement kit is shipped with both stand and display hinges and you must replace both of these components together Refer to the procedure for removing the stand and installing the stand About this ...

Page 20: ...fore performing the installation procedure NOTE For replacement of stand or display hinges the replacement kit is shipped with both stand and display hinges and you must replace both of these components together Please refer to the procedure for removing the stand and installing the stand About this task The following image indicates the location of the display hinges and provides a visual represe...

Page 21: ...stall the back cover 3 Install the stand 4 Follow the procedure in After working inside your computer Hard drive Removing the hard drive Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover About this task The following image indicates the location of the hard drive and provides a visual representation of the removal procedure Remov...

Page 22: ...rd drive 4 Remove the hard drive bracket off the hard drive Installing the hard drive Prerequisites If you are replacing a component remove the existing component before performing the installation procedure CAUTION Hard drives are fragile Exercise care when handling the hard drive About this task The following image indicates the location of the hard drive and provides a visual representation of ...

Page 23: ...the display assembly base Next steps 1 Install the back cover 2 Install the stand 3 Follow the procedure in After working inside your computer System board shield Removing the system board shield Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover About this task The following image indicates the location of ...

Page 24: ...ly base Installing the system board shield 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 system board shield and provides a visual representation of the installation procedure 24 Removing and installing components ...

Page 25: ...d 4 Follow the procedure in After working inside your computer Memory module Removing the memory module Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover 5 Remove the system board shield About this task The following image indicates the location of the memory module and provides a visual representation of t...

Page 26: ...t steps 1 and 2 if you want to remove the other memory module Installing the memory module 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 module and provides a visual representation of the installation procedure 26 Removing and installing components ...

Page 27: ...ps 1 Install the system board shield 2 Install the I O cover 3 Install the back cover 4 Install the stand 5 Follow the procedure in After working inside your computer Wireless card Removing the wireless card Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover 5 Remove the system board shield About this task T...

Page 28: ...card from the wireless card slot Installing the wireless card Prerequisites If you are replacing a component remove the existing component before performing the installation procedure CAUTION To avoid damage to the wireless card do not place any cables under it About this task The following image indicates the location of the wireless card and provides a visual representation of the installation p...

Page 29: ...Black 2 Place the wireless card bracket on the wireless card 3 Align the notch on the wireless card with the tab on the wireless card slot 4 Slide the wireless card at an angle into the wireless card slot 5 Replace the screw M2x3 5 that secures the wireless card bracket to the wireless card Next steps 1 Install the system board shield 2 Install the I O cover 3 Install the back cover 4 Install the ...

Page 30: ...state drive M 2 2280 solid state drive NOTE This procedure applies only to computers shipped with an M 2 2230 solid state drive The following image indicates the location of the solid state drive and provides a visual representation of the removal procedure Steps 1 Remove the screw M2x3 5 that secures the solid state drive to the system board 2 Slide and remove the solid state drive from the M 2 c...

Page 31: ... M 2 2230 solid state drive If you are replacing an M 2 2280 solid state drive with an M 2 2230 solid state drive move the screw mount as shown in the following figure before you perform the other steps in the installation procedure The following image indicates the location of the solid state drive and provides a visual representation of the installation procedure Steps 1 Ensure that the thermal ...

Page 32: ...move the I O cover 5 Remove the system board shield About this task NOTE The M 2 card installed on your computer will depend on the configuration ordered The supported card configurations on the M 2 card slot are M 2 2230 solid state drive M 2 2280 solid state drive NOTE This procedure applies only to computers shipped with an M 2 2280 solid state drive The following image indicates the location o...

Page 33: ...ported card configurations on the M 2 card slot are M 2 2230 solid state drive M 2 2280 solid state drive NOTE This procedure applies if you are installing an M 2 2280 solid state drive If you are replacing an M 2 2230 solid state drive with an M 2 2280 solid state drive move the screw mount as shown in the following figure before you perform the other steps in the installation procedure The follo...

Page 34: ...ld 2 Install the I O cover 3 Install the back cover 4 Install the stand 5 Follow the procedure in After working inside your computer Retractable camera assembly Removing the retractable camera assembly Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover 5 Remove the system board shield About this task The fol...

Page 35: ... 4 Remove the retractable camera assembly from the display assembly base Installing the retractable camera 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 retractable camera assembly and provides a visual representation of the installation procedure R...

Page 36: ...Install the system board shield 2 Install the I O cover 3 Install the back cover 4 Install the stand 5 Follow the procedure in After working inside your computer Fan Removing the fan Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover 5 Remove the system board shield About this task The following image indica...

Page 37: ...ay assembly base 4 Lift the fan along with its cable off the display assembly base 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 Removing and installing components 37 ...

Page 38: ...em board shield 2 Install the I O cover 3 Install the back cover 4 Install the stand 5 Follow the procedure in After working inside your computer Speakers Removing the speakers Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover 5 Remove the system board shield About this task The following image indicates th...

Page 39: ...th the cable off the display assembly base 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 location of the speakers and provides a visual representation of the installation procedure Removing and installing components 39 ...

Page 40: ... Install the back cover 4 Install the stand 5 Follow the procedure in After working inside your computer Coin cell battery Removing the coin cell battery Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover 5 Remove the system board shield About this task The following image indicates the location of the coin ...

Page 41: ... socket 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 Removing and installing components 41 ...

Page 42: ...e stand 5 Follow the procedure in After working inside your computer Heat sink Removing the heat sink Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover 5 Remove the system board shield About this task The following image indicates the location of the heat sink and provides a visual representation of the rem...

Page 43: ...erequisites If you are replacing a component remove the existing component before performing the installation procedure 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 representation of the insta...

Page 44: ...O cover 3 Install the back cover 4 Install the stand 5 Follow the procedure in After working inside your computer Media card reader Removing the media card reader Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover 5 Remove the system board shield About this task The following image indicates the location of ...

Page 45: ...dia card reader along with its cable from the media card reader slot Installing the media card reader 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 media card reader and provides a visual representation of the installation procedure Removing and installing c...

Page 46: ...play assembly base Next steps 1 Install the system board shield 2 Install the I O cover 3 Install the back cover 4 Install the stand 5 Follow the procedure in After working inside your computer Power button board Removing the power button board Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover 5 Remove the ...

Page 47: ... on the display assembly base 5 Open the latch and disconnect the power button board cable from the power button board 6 Lift the power button board off the display assembly base Installing the power button board 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...

Page 48: ...x5 that secures the power button board to the display assembly base 4 Adhere the tape that secures the power button cable to the power button board 5 Replace the five screws M3x5 that secure the left display hinge to the display assembly base Next steps 1 Install the system board shield 2 Install the I O cover 3 Install the back cover 4 Install the stand 5 Follow the procedure in After working ins...

Page 49: ...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 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover 5 Remove the hard drive 6 Remove the system board shield 7 Remove the memory module 8 Remove the wireless card 9 Rem...

Page 50: ...emory module slot DIMM1 8 Memory module slot DIMM2 9 Speaker cable connector 10 Microphone module cable connector 11 Media card reader cable connector 12 Wireless card slot 13 Power button board cable connector 14 Display cable connector The following image indicates the location of system board and provides a visual representation of the removal procedure 50 Removing and installing components ...

Page 51: ...Removing and installing components 51 ...

Page 52: ...m board 8 Open the latch and disconnect the power button board cable from the system board 9 Open the latch and disconnect the display cable from the system board 10 Remove the six screws M3x5 that secure the system board to the display assembly base 11 Remove the solid state drive screw mount M3x4 that secures the system board to the display assembly base 12 Lift the system board off the display ...

Page 53: ...ory module slot DIMM1 8 Memory module slot DIMM2 9 Speaker cable connector 10 Microphone module cable connector 11 Media card reader cable connector 12 Wireless card slot 13 Power button board cable connector 14 Display cable connector The following image indicates the location of system board and provides a visual representation of the installation procedure Removing and installing components 53 ...

Page 54: ...54 Removing and installing components ...

Page 55: ...se the latch to secure the cable 7 Connect the microphone module cable to the system board 8 Connect the speaker cable to the system board 9 Connect the fan cable to the system board 10 Connect the backlight cable to the system board 11 Connect the camera cable to the system board 12 Connect the touchscreen cable to the system board NOTE This cable is only available on computers that support touch...

Page 56: ...Removing the microphones Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 Remove the back cover 4 Remove the I O cover 5 Remove the hard drive 6 Remove the system board shield 7 Remove the media card reader 8 Remove the memory module 9 Remove the wireless card 10 Remove the M 2 2230 solid state drive or M 2 2280 solid state drive as applicable 11 Rem...

Page 57: ... guides on the display assembly base 4 Lift the microphone module off the display assembly base Installing the microphones 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 microphones and provides a visual representation of the installation procedure Removing a...

Page 58: ...crophone cable to the display assembly base Next steps 1 Install the system board 2 Install the heat sink 3 Install the M 2 2230 solid state drive or M 2 2280 solid state drive as applicable 4 Install the wireless card 5 Install the memory module 6 Install the media card reader 7 Install the system board shield 8 Install the hard drive 9 Install the I O cover 10 Install the back cover 11 Install t...

Page 59: ... the display hinges 15 Remove the power button board About this task The following image indicates the location of the antennas and provides a visual representation of the removal procedure NOTE Note the routing of the antenna cables before removing the antenna cables form the routing guides Also note the location of the antenna modules printed on the display assembly base as ANT B black and ANT W...

Page 60: ...oil that secures the antenna cables on both sides of the display assembly base 3 Route the antenna cables through the routing guides on the display assembly base Next steps 1 Install the power button board 2 Install the display hinges 3 Install the speakers 4 Install the system board 5 Install the heat sink 6 Install the M 2 2230 solid state drive or M 2 2280 solid state drive as applicable 7 Inst...

Page 61: ...drive 6 Remove the system board shield 7 Remove the memory module 8 Remove the wireless card 9 Remove the M 2 2230 solid state drive or M 2 2280 solid state drive as applicable 10 Remove the heat sink 11 Remove the system board About this task The following image indicates the location of display panel and provides a visual representation of the removal procedure Removing and installing components...

Page 62: ... in an upright position 4 Holding the top corner push the display panel away from the display assembly base using the push holes available on the display assembly base 5 Slide the display backlight cable touchscreen cable and display cable on the display panel through the slots on the display assembly base 6 Lift the display panel up from the display assembly base 62 Removing and installing compon...

Page 63: ... component remove the existing component before performing the installation procedure About this task The following image indicates the location of display panel and provides a visual representation of the installation procedure Removing and installing components 63 ...

Page 64: ...hat secure the display panel to the display assembly base NOTE The screws that secure the middle frame and display panel to the display assembly base are silver in color and etched with LCD around the screw holes Next steps 1 Install the heat sink 2 Install the M 2 2230 solid state drive or M 2 2280 solid state drive as applicable 3 Install the wireless card 4 Install the memory module 5 Install t...

Page 65: ...bly 11 Remove the memory module 12 Remove the wireless card 13 Remove the M 2 2230 solid state drive or M 2 2280 solid state drive as applicable 14 Remove the heat sink 15 Remove the media card reader 16 Remove the system board 17 Remove the microphones 18 Remove the display hinges 19 Remove the power button board 20 Remove the antennas 21 Remove the display panel About this task The following ima...

Page 66: ...Steps 1 Remove the 13 screws M3x5 that secure the base panel to the display assembly base 66 Removing and installing components ...

Page 67: ...stalling the base panel 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 base panel and provides a visual representation of the installation procedure Removing and installing components 67 ...

Page 68: ...es 6 Install the system board 7 Install the media card reader 8 Install the heat sink 9 Install the M 2 2230 solid state drive or M 2 2280 solid state drive as applicable 10 Install the wireless card 11 Install the memory module 12 Install the retractable camera assembly 13 Install the coin cell battery 14 Install the fan 15 Install the speakers 16 Install the system board shield 17 Install the ha...

Page 69: ...rivers and downloads When troubleshooting downloading or installing drivers it is recommended that you read the Dell Knowledge Based article Drivers and Downloads FAQ 000123347 3 Drivers and downloads 69 ...

Page 70: ...k Turn on or restart your computer and press F2 immediately Navigation keys NOTE For most of the System Setup options changes that you make are recorded but do not take effect until you restart the system Table 3 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...

Page 71: ...ical 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 System setup options NOTE Depending on your computer and its installed devices the items that are listed in this section may or may not appear Table 4 System setup options Main menu Ma...

Page 72: ...ontroller 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 Camera Enables or disables the camera Default Enabled USB Configuration Rear USB Ports Allows you to enable or disable the front USB ports Default Enabled Sides USB Ports Allows you to enable or disable the USB...

Page 73: ... key during boot to On or Off Default Enabled Maintenance Data Wipe on next boot Enables or disables data wipe on the next boot Default Disabled BIOS Recovery from Hard Drive Enables the user to recover from certain corrupted BIOS conditions from a recovery file on the user primary hard drive or an external USB key BIOS Auto Recovery Enables BIOS to automatically recover BIOS without user actions ...

Page 74: ...been implemented in the System Management Mode SMM software Default Disabled Firmware TPM Enable or disable the firmware TPM Default Enabled PPI Bypass for Clear Command Allows you to control the TPM Physical Presence Interface PPI When enabled this setting will allow the OS to skip BIOS PPI user prompts when issuing the Clear command Changes to this setting take effect immediately Default Disable...

Page 75: ...d in the BIOS UEFI Secure Boot DB Default Enabled Table 7 System setup options Boot menu Boot File Browser Add Boot Option Allows you to add the boot options File Browser Del Boot Option Allows you to delete the boot options UEFI Boot Display boot options in Windows The following options are available HDD1 Windows Boot Manager Onboard NIC IPV4 PXE Onboard NIC IPV6 PXE Table 8 System setup options ...

Page 76: ...tem BIOS or System Setup screen select Security and press Enter The Security screen is displayed 2 Select System Admin 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 At least one special character _ Numbers 0 through 9 Upper case letters from A to Z Lower case letters from a to z ...

Page 77: ...arts A dialog box is displayed with options to run BIOS Setup and Diagnostics 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 passwords refer to the documentation accompanying Windows or your application Updating t...

Page 78: ...OS FLASH UPDATE is listed as a boot option for your computer If the option is listed then the BIOS supports this BIOS update option NOTE Only computers with BIOS Flash Update option in the F12 One Time boot menu can use this function Updating from the One Time boot menu To update your BIOS from the F12 One Time boot menu you need the following USB drive formatted to the FAT32 file system key does ...

Page 79: ...indicating various 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 NOTE The following diagnosti...

Page 80: ...ee SupportAssist Pre Boot System Performance Check Built in self test BIST LCD Built in Self Test BIST Dell All in One AIO have a built in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with the LCD screen of the Dell AIO or with the video card GPU and PC settings When you notice screen abnormalities such as flickering distortion clar...

Page 81: ...be performed The following procedure provides the instructions on how to conduct a WiFi power cycle NOTE Some ISPs Internet Service Providers provide a modem router combo device Steps 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 Drain residual flea power perform hard rese...

Page 82: ...r 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 on your computer Dell knowledge base articles for a variety of computer concerns 1 Go to www dell com support 2 On the menu bar at the top of the Support page select Support Knowledge Base 3 In the Search field on the Knowledge Base page type the keyword t...

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