Dell Inspiron 5490 AIO Inspiron 24-5490 Service Manual
Dell Inspiron 5490 AIO Manual
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- Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 1
Inspiron 24-5490 Service Manual Regulatory Model: W24C Regulatory Type: W24C001 May 2020 Rev. A01 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 2
data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2019-2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 3
instructions...6 Before working inside your computer...6 Before you begin ...6 Electrostatic discharge-ESD protection...7 ESD field service ...21 Installing the memory modules...22 Coin-cell battery...23 Removing the coin-cell battery...23 Installing the coin-cell battery...24 Heat sink...25 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 4
Intel Virtual Button driver...60 Wireless and Bluetooth drivers...60 4 System setup...61 System setup...61 Entering BIOS setup program...61 Navigation keys...61 Boot Sequence...62 System setup options...62 Clearing CMOS settings...66 Clearing forgotten passwords...67 5 Troubleshooting...69 Enhanced - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 5
Display built-in self test...69 Diagnostics...70 Recovering the operating system...70 Flashing BIOS (USB key)...71 Flashing the BIOS...71 WiFi power cycle...71 Flea power release...72 6 Getting help and contacting Dell 73 Contents 5 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 6
, not by its pins. CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that shipped with the product or at www - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 7
shut-down instructions. 3. Disconnect such as intermittent problems or a shortened Dell products, the sensitivity to static damage is now higher than in previous Dell damage to recognize and troubleshoot is the intermittent (also known as bonding. Use only Field Service kits with a wrist strap, mat, - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 8
service Service replacement parts or parts to be returned to Dell service and that they use anti-static bags for transporting sensitive components. Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell muscles support your - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 9
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 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 10
computer NOTE: The appearance of heat sink differs depending on the graphics configuration you ordered. 1. coin-cell battery 2. retractable-camera assembly 3. memory modules 4. base panel 5. display-assembly base 6. hard drive 7. system board 8. solid-state drive 9. microphones (2) 10. wireless - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 11
. Ensure that the screws are not left attached to such surface when replacing a component. NOTE: Screw color may vary with the configuration ordered. Table M3 0.5x5 4 Retractable-camera assembly door Base panel M3 0.5x5 2 Retractable-camera bezel Retractable-camera M3 0.5x5 3 bracket - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 12
with the stand hanging over the edge. It is recommended to remove the stand to avoid accidental damage to the computer display during servicing. About this task The following image indicates the location of the back cover and provides a visual representation of the removal procedure. Steps 1. Place - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 13
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 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 14
the display-assembly base. 2. Lift the bottom cover off the display-assembly base. Installing the bottom 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 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 15
bottom cover with the screw holes on the display-assembly base. 2. Replace the five screws (M3x5) that secure the bottom cover to the recommended to remove the stand to avoid accidental damage to the computer display during servicing. 2. Remove the back cover. 3. Remove the bottom cover. About this - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 16
the slots on the display-assembly base and lift the stand off the display-assembly base. Installing the stand 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 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 17
the screw holes on the display-assembly base and slide the stand on the display-assembly base. 2. In the sequential order indicated on the stand, replace the eight screws (M3x4) that secure the stand to the display-assembly base. Next steps 1. Install the bottom cover. 2. Install the back cover - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 18
bracket to the hard 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. About this task The following image indicates the location of the hard - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 19
(M3x3.5) that secure the hard-drive bracket to the hard drive. 3. Slide the hard-drive assembly into the slot on the display-assembly base. 4. Replace the two screws (M3x5) that secures the hard-drive assembly to the display-assembly base. Next steps 1. Install the stand. 2. Install the bottom cover - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 20
-assembly base. 2. Lift the system-board shield off the display-assembly 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 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 21
Steps 1. Align the slots on the system-board shield with the ports on the computer. 2. Replace the four screws (M3x5) that secure the system-board shield to the display-assembly base. Next steps 1. Install the stand. 2. Install the bottom cover. 3. Install - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 22
memory-module slot. NOTE: Repeat step 1 and 2 if there are two memory modules. Installing the memory modules Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 23
this task The following image indicates the location of the coin-cell battery and provides a visual representation of the removal procedure. Removing and installing components 23 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 24
holder. 2. Lift the coin-cell battery from the coin-cell battery holder. 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 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 25
Steps With the positive-side facing up, insert the coin-cell battery into the battery socket on the system board and snap the battery into place. Next steps 1. Install the system-board shield. 2. Install the stand. 3. Install the bottom cover. 4. Install the back cover. 5. Follow the procedure in - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 26
the display-assembly base. 2. Lift the heat sink off the system board and display-assembly base. Installing the heat sink Prerequisites 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 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 27
Steps 1. Align the screw holes on the heat sink with the screw holes on the system board and the display assembly base. 2. In sequential order (as indicated on the heat sink), tighten the eight captive screws that secure the heat sink to the system board and display assembly base. Next steps 1. - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 28
Steps 1. Remove the two screws (M2x4) that secure the wireless-card shield to the system board. 2. Lift the wireless-card shield off the system board and wireless card. 3. Remove the screw (M2x4) that secures the wireless-card bracket to the wireless card. 4. Slide the wireless-card bracket off the - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 29
6. Slide and remove the wireless 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 mini-card, do not place any cables - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 30
provides the antenna-cable color scheme for the wireless card supported by your computer. Table 2. Antenna-cable color scheme Connectors 4. Slide the wireless card at an angle into the wireless-card slot. 5. Replace the screw (M2x4) that secures the wireless-card bracket to the wireless card. - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 31
solid-state drive Prerequisites CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive. 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 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 32
on the solid-state drive with the tab on the M.2 card slot. 2. Slide the solid-state drive into the M.2 card slot on the system board. 3. Replace the screw (M2x2.5) that secures the solid-state drive to the system board. Next steps 1. Install the system-board shield. 2. Install the stand. 3. Install - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 33
system board. 3. Remove the media-card reader from 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 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 34
the media-card reader slot. 3. Align the screws on the media-card reader with the screw holes on the slot on the display assembly base. 4. Replace the screw (M2x3) that secure the media-card reader to the display-assembly base. Next steps 1. Install the system-board shield. 2. Install the stand - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 35
to the display-assembly base. 3. Remove the speaker cable from the routing guides on the display-assembly base. 4. Lift the speakers along with the cable -assembly base. Installing the speakers Prerequisites If you are replacing a component, remove the existing component before performing the - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 36
the screw holes on the speakers with the screw holes on the display-assembly base and route the cable through the routing guides on display-assembly base. 2. Replace the eight screws (M3 4+7.1xZN) that secure the speakers to the display-assembly base. 3. Route the speaker cable through the routing - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 37
microphone modules (2) to the base panel and release them from the routing guides on the display-assembly base. 3. Lift the microphone modules (2) off base panel. Installing the mircrophones Prerequisites If you are replacing a component, remove the existing component before performing the - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 38
the base panel. 2. Route the cable through the routing guides on the display-assembly base. 3. Replace the eight screws (M2X2.5) that secure the microphone module to the base panel. 4. Route the microphone cable through the routing guides on the display-assembly base and connect the microphone cable - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 39
from the system board. 2. Remove the fan cable from the routing guides on the display-assembly base. 3. Remove the three screws (M2x2.5) that display-assembly base. Installing the fan Prerequisites If you are replacing a component, remove the existing component before performing the installation - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 40
the screw holes on the fan with the screw holes on the display-assembly base. 2. Replace the three screws (M2x2.5) that secure the fan to the display-assembly base. 3. Route the fan cable through the routing guides on the display-assembly base. 4. Connect the fan cable to the system board. Next - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 41
and ANT-W (white). Steps 1. Remove the antenna cables from the routing guides on the display-assembly base. 2. Remove the two screws (M2x2.5) that secure the base panel. Installing the antennas Prerequisites If you are replacing a component, remove the existing component before performing the - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 42
cables (2) to the base panel. 3. Replace the two screws (M2x2.5) that secure the antenna modules . 4. Route the antenna cables through the routing guides on the display-assembly base. Next steps 1. After working inside your computer. Camera Removing the camera Prerequisites 1. Follow the procedure in - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 43
from the routing guides on the display-assembly base. 3. Remove the two screws (M3x5) that secure the retractable-camera assembly to the base panel. 4. Remove the retractable-camera assembly door from the base panel. Installing the camera Prerequisites If you are replacing a component, remove the - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 44
1. Slide and place the retractable-camera assembly on the base panel. 2. Replace the two screws (M3x5) that secure the retractable-camera assembly to the base panel. 3. Route the camera cable through the routing guides on the display-assembly base. 4. Connect the camera cable to the system board - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 45
cable from the power-button board then lift off the power-button board. 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 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 46
1. Follow the procedure in Before working inside your computer. NOTE: Your computer's Service Tag is stored in the system board. You must enter 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 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 47
-board connectors 1. Memory module 3. Touchscreen cable 5. Coin-cell battery 7. Microphone-module cable 9. Speaker cable 11. Display cable 13. Backlit cable 2. Camera cable 4. Debug port 6. Fan cable 8. Media-card reader cable 10. Power-button board cable 12. Hard-drive connector The following - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 48
board. 8. Disconnect the touchscreen cable from the system board. 9. Disconnect the camera cable from the system board. 10. Remove the six screws (M3x5) that . Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 49
2. System-board connectors 1. Memory module 3. Touchscreen cable 5. Coin-cell battery 7. Microphones cable 9. Speaker cable 11. Display cable 13. Backlit cable 2. Camera cable 4. Debug port 6. Fan cable 8. Media-card reader cable 10. Power-button board cable 12. Hard-drive connector The following - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 50
the screw holes on the system board with the screw holes on the display-assembly base. 2. Replace the six screws (M3x5) that secure the system board to the display-assembly base. 3. Connect the camera cable to the system board. 4. Connect the touchscreen cable to the system board. 5. Connect the fan - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 51
Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. NOTE: Replacing the solid-state drive. 15. Remove the power-button board. 16. Remove the camera. 17. Remove the microphones. 18. Remove the system board. 19. Remove - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 52
52 Removing and installing components - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 53
2. Remove the base panel and lift the base panel off the display-assembly base. Installing 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 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 54
the base panel with the screw holes on the display-assembly base. 2. Replace the 19 screws (M3x5) that secures the base panel to the display- panel. 2. Install the system board. 3. Install the microphones. 4. Install the camera. 5. Install the power-button board. 6. Install the solid-state drive. 7. - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 55
Display panel Removing the display panel Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the back cover. 3. Remove the bottom cover. 4. Remove the hard drive. 5. Remove the system-board shield. 6. Remove the system board. About this task The following image - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 56
on the display- assembly base. 4. Route the display back-light, touch screen and display cable though the slots on the display assembly base. 5. Lift assembly base. Installing the display panel Prerequisites If you are replacing a component, remove the existing component before performing the - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 57
Removing and installing components 57 - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 58
display-assembly base. 2. Route the display back-light, touch screen and display cable though the slots on the display assembly base. 3. Place the display-assembly base on a clean and flat surface with the display panel facing down. 4. Replace the 10 screws (M3x5) that secure the display panel to - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 59
display-assembly base are silver in color and etched with "LCD" around the screw holes. 5. Remove the jig screw from the display panel. 6. Replace the screw (M3x5) that secure the display panel to the display-assembly base. Next steps 1. Install the system board. 2. Install the system-board shield - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 60
, check if the Intel Virtual Button driver is installed. Install the driver updates from www.dell.com/support. Wireless and Bluetooth drivers In the Device Manager, check if the network card driver is installed. Install the driver updates from www.dell.com/support. In the Device Manager, check if - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 61
it is recommended that you write down the BIOS Setup program screen information for future reference. Use the BIOS Setup program for the information about the hardware installed in your computer, such as the amount of RAM and the size of the hard drive. • Change the system configuration information. - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 62
drive). During the Power-on Self Test (POST), when the Dell logo appears, you can: • Access System Setup by pressing The boot sequence screen also displays the option to access the System Setup screen. System setup options computer. Express Service Code Displays the express service code of - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 63
on board. SMART Reporting Enable or disable Self-Monitoring, Analysis, and Reporting Technology (SMART) during system startup. USB Configuration Enable Boot Support Enable or disable booting from USB mass storage devices such as external hard drive, optical drive, and USB drive. System setup - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 64
Touchscreen Enable or disable touchscreen (only for touchscreen computers). Miscellaneous Devices Enable or disable various onboard devices. Enable Camera Enable or disable the camera. Enable Secure Digital (SD) Card Enable or disable the SD card. Table 5. System setup options-Video menu - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 65
On Time is set to Everyday, Weekdays, or Selected Days. Default: Disabled. Deep Sleep Control Enable or disable the Deep Sleep mode support. Default: Enabled USB Wake Support Wake on LAN?WLAN Enable the USB devices to wake the computer from Standby. Enable or disable the computer to be powered - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 66
screen logo Enable or disable the action to be done when a warning or error is encountered. Table 9. System setup options-Virtualization Support menu Virtualization Support menu Maintenance Service Tag Display the system's Service Tag. Asset Console and for the Dell OS Recovery tool. - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 67
. Steps 1. Remove the jumper plug from the password jumper-pins and connect it to the CMOS jumper-pins. 2. Wait for 5 seconds and then replace the jumper plug in its original location. Next steps 1. Install the system-board shield. 2. Install the stand. 3. Install the bottom cover. 4. Install the - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 68
Steps 1. Remove the jumper plug from the password jumper-pins. 2. Wait for 5 seconds and then replace the jumper plug in its original location. Next steps 1. Install the system-board shield. 2. Install the stand. 3. Install the bottom cover. 4. Install the back cover. 68 System setup - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 69
messages that inform you of problems encountered during testing NOTE: Some press the F12 key as the Dell logo appears. 3. On the boot menu screen, select the Diagnostics option. and contact Dell. Display built-in self test About this task The following procedure provides the instructions on how - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 70
computer may emit a series of beeps during start-up if the errors or problems cannot be displayed. The repetitive beep codes help the user troubleshoot problems with the computer. Camera status light: Indicates whether the camera is in use. • Solid white - Camera is in use. • Off - Camera is not in - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 71
the instructions on the screen to complete the BIOS update. Flashing the BIOS About this task You may need to flash (update) the BIOS when an update is available or when you replace the system board. Follow these steps to flash the BIOS: Steps 1. Turn on your computer. 2. Go to www.dell.com/support - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 72
even after it has been powered off and the battery has been removed. The following procedure provides the instructions on how to conduct flea power release: Steps 1. Turn off your computer. 2. Disconnect the power the power adapter to your computer. 5. Turn on your computer. 72 Troubleshooting - Dell Inspiron 5490 AIO | Inspiron 24-5490 Service Manual - Page 73
about Dell products and services Resource location www.dell.com My Dell app Tips Contact Support Online help for operating system Troubleshooting information, user manuals, set up instructions, product specifications, technical help blogs, drivers, software updates, and so on. Dell knowledge
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Inspiron 24-5490
Service Manual
Regulatory Model: W24C
Regulatory Type: W24C001
May 2020
Rev. A01