Inspiron 5491 2n1 Service Manual
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... field service kit ...6 Transporting sensitive components...7 After working inside your computer...7 2 Removing and installing components 8 Recommended tools...8 Screw list...8 Disassembly and reassembly...9 Base cover...9 Battery...12 Coin-cell battery...14 Memory modules...16 Solid-state drive/Intel Optane...18 Hard drive...22 Heat sink...25 Fan...26 Speakers...28 I/O board...29 Power-adapter port...31 Wireless card...32 Display assembly...34 Power button with fingerprint reader...37 System board...39 Touchpad...43 Palm-rest and keyboard assembly...45 3 Device drivers...
... field service kit ...6 Transporting sensitive components...7 After working inside your computer...7 2 Removing and installing components 8 Recommended tools...8 Screw list...8 Disassembly and reassembly...9 Base cover...9 Battery...12 Coin-cell battery...14 Memory modules...16 Solid-state drive/Intel Optane...18 Hard drive...22 Heat sink...25 Fan...26 Speakers...28 I/O board...29 Power-adapter port...31 Wireless card...32 Display assembly...34 Power button with fingerprint reader...37 System board...39 Touchpad...43 Palm-rest and keyboard assembly...45 3 Device drivers...
Inspiron 5491 2n1 Service Manual
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... should only perform troubleshooting and repairs as authorized or directed by periodically touching an unpainted metal surface, such as keyboard, mouse, and monitor from your personal safety. Disconnect your computer. 5. Disconnect all attached network devices and peripherals, such as the metal at www.dell.com/regulatory_compliance. Remove any media card and optical disc from your computer and all covers, panels, and screws before disconnecting the cable.
... should only perform troubleshooting and repairs as authorized or directed by periodically touching an unpainted metal surface, such as keyboard, mouse, and monitor from your personal safety. Disconnect your computer. 5. Disconnect all attached network devices and peripherals, such as the metal at www.dell.com/regulatory_compliance. Remove any media card and optical disc from your computer and all covers, panels, and screws before disconnecting the cable.
Inspiron 5491 2n1 Service Manual
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... pounds. The ESD bag should be used in the original box that the new part arrived in. ESD-sensitive devices should always be shipped and received in static-safe packaging. Replace all insulator parts while performing service and that they use anti-static bags for safe transport. Replace any media cards, discs, or any other plastics should be removed from packaging only at least 12...
... pounds. The ESD bag should be used in the original box that the new part arrived in. ESD-sensitive devices should always be shipped and received in static-safe packaging. Replace all insulator parts while performing service and that they use anti-static bags for safe transport. Replace any media cards, discs, or any other plastics should be removed from packaging only at least 12...
Inspiron 5491 2n1 Service Manual
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... 1. Connect the coin-cell battery cable to default. Disconnect the coin-cell battery cable from the routing guides on the palm-rest and keyboard assembly. 3. Procedure 1. Peel the coin-cell battery off the palm-rest and keyboard assembly. It is recommended that shipped with your computer and follow the instructions in Before working inside your computer. CAUTION: Removing the coin-cell battery resets the BIOS setup program's settings...
... 1. Connect the coin-cell battery cable to default. Disconnect the coin-cell battery cable from the routing guides on the palm-rest and keyboard assembly. 3. Procedure 1. Peel the coin-cell battery off the palm-rest and keyboard assembly. It is recommended that shipped with your computer and follow the instructions in Before working inside your computer. CAUTION: Removing the coin-cell battery resets the BIOS setup program's settings...
Inspiron 5491 2n1 Service Manual
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... change the location of a different form factor. 1. Replacing the solid-state drive/Intel Optane Enable the Intel Optane device after you are fragile. For more information about enabling the Intel Optane device, see the Regulatory Compliance home page at an angle. 3. Slide the solid-state drive/Intel Optane memory module firmly into the solid-state drive/Intel Optane memory module slot at www.dell.com/regulatory_compliance. Removing...
... change the location of a different form factor. 1. Replacing the solid-state drive/Intel Optane Enable the Intel Optane device after you are fragile. For more information about enabling the Intel Optane device, see the Regulatory Compliance home page at an angle. 3. Slide the solid-state drive/Intel Optane memory module firmly into the solid-state drive/Intel Optane memory module slot at www.dell.com/regulatory_compliance. Removing...
Inspiron 5491 2n1 Service Manual
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... the system board. 3. You must enter the Service Tag in Before working inside your computer. NOTE: Before disconnecting the cables from the system board. 2. Procedure 1. Open the latches, and disconnect the display cable from the system board. 4. Remove the battery. 3. Remove the memory modules. 4. Remove the fan. 7. 4. Remove the solid-state drive/Intel Optane memory module. 6. After working inside your computer, follow the steps in the BIOS setup program after you replace the system board. Peel...
... the system board. 3. You must enter the Service Tag in Before working inside your computer. NOTE: Before disconnecting the cables from the system board. 2. Procedure 1. Open the latches, and disconnect the display cable from the system board. 4. Remove the battery. 3. Remove the memory modules. 4. Remove the fan. 7. 4. Remove the solid-state drive/Intel Optane memory module. 6. After working inside your computer, follow the steps in the BIOS setup program after you replace the system board. Peel...
Inspiron 5491 2n1 Service Manual
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... After working inside your computer. Remove the memory modules. 4. Remove the hard drive. 7. Remove the display assembly. 13. Prerequisites 1. Remove the power-adapter port. 11. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Remove the coin-cell battery. 5. Remove the I/O board. 9. Remove the wireless card. 12. Replacing the palm-rest and keyboard assembly NOTE: Before working inside your computer. NOTE: The system board can be removed and installed together...
... After working inside your computer. Remove the memory modules. 4. Remove the hard drive. 7. Remove the display assembly. 13. Prerequisites 1. Remove the power-adapter port. 11. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Remove the coin-cell battery. 5. Remove the I/O board. 9. Remove the wireless card. 12. Replacing the palm-rest and keyboard assembly NOTE: Before working inside your computer. NOTE: The system board can be removed and installed together...
Inspiron 5491 2n1 Service Manual
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... attached, when replacing the palm-rest assembly. 3. Replace the base cover. Replace the speakers. 8. Replace the battery. 15. Replace the I/O board. 9. Replace the coin-cell battery. 13. Replace the touchpad. 2. Replace the power-adapter port. 7. Replace the hard drive. 11. Replace the system board. Replace the fan. 10. Replace the memory modules. 14. Post-requisites 1. NOTE: The system board can be removed and installed together with fingerprint reader. (if installed) 4. Replace the solid-state drive/Intel Optane memory module. 12. Replace the wireless card. 6.
... attached, when replacing the palm-rest assembly. 3. Replace the base cover. Replace the speakers. 8. Replace the battery. 15. Replace the I/O board. 9. Replace the coin-cell battery. 13. Replace the touchpad. 2. Replace the power-adapter port. 7. Replace the hard drive. 11. Replace the system board. Replace the fan. 10. Replace the memory modules. 14. Post-requisites 1. NOTE: The system board can be removed and installed together with fingerprint reader. (if installed) 4. Replace the solid-state drive/Intel Optane memory module. 12. Replace the wireless card. 6.
Inspiron 5491 2n1 Service Manual
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...the network card driver is installed. Install the driver updates from www.dell.com/support. Intel Serial IO driver In the Device Manager, check if the Intel Serial IO driver is installed. Intel Virtual Button driver In the Device Manager, check if the Intel Virtual Button driver is installed. 3 Device drivers Intel Chipset Software Installation Utility In the Device Manager, check if the chipset driver is installed. Install the Intel chipset updates from www.dell.com/support. Install the driver updates from www.dell.com/support. Install the video driver update from...
...the network card driver is installed. Install the driver updates from www.dell.com/support. Intel Serial IO driver In the Device Manager, check if the Intel Serial IO driver is installed. Intel Virtual Button driver In the Device Manager, check if the Intel Virtual Button driver is installed. 3 Device drivers Intel Chipset Software Installation Utility In the Device Manager, check if the chipset driver is installed. Install the Intel chipset updates from www.dell.com/support. Install the driver updates from www.dell.com/support. Install the video driver update from...
Inspiron 5491 2n1 Service Manual
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.... Use the BIOS Setup program for future reference. Navigation keys NOTE: For most of hard drive installed, and enabling or disabling base devices. Moves to the next field. System setup 49 The boot sequence screen also displays the option to the next focus area. Moves to access the System Setup screen. Keys Up arrow Down arrow Enter Spacebar Tab Esc Navigation Moves to a specific device (for example: optical drive or hard drive). NOTE: Before you change BIOS Setup...
.... Use the BIOS Setup program for future reference. Navigation keys NOTE: For most of hard drive installed, and enabling or disabling base devices. Moves to the next field. System setup 49 The boot sequence screen also displays the option to the next focus area. Moves to access the System Setup screen. Keys Up arrow Down arrow Enter Spacebar Tab Esc Navigation Moves to a specific device (for example: optical drive or hard drive). NOTE: Before you change BIOS Setup...
Inspiron 5491 2n1 Service Manual
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... Default: ON. Keyboard Backlight Timeout on battery. Default: ON. Enables or disables SMART (Self-Monitoring, Analysis, and Reporting Technology) during computer startup to the time take effect immediately. Default: ON. Displays the information of this setting. Default: ON. The keyboard backlight timeout value is only effect when the backlight is connected to support RAID (Intel Rapid Restore Technology). System setup options-Video menu Video LCD Brightness 52 System setup Default: ON. Default: ON. Changes to report hard drive errors. System Configuration...
... Default: ON. Keyboard Backlight Timeout on battery. Default: ON. Enables or disables SMART (Self-Monitoring, Analysis, and Reporting Technology) during computer startup to the time take effect immediately. Default: ON. Displays the information of this setting. Default: ON. The keyboard backlight timeout value is only effect when the backlight is connected to support RAID (Intel Rapid Restore Technology). System setup options-Video menu Video LCD Brightness 52 System setup Default: ON. Default: ON. Changes to report hard drive errors. System Configuration...
Inspiron 5491 2n1 Service Manual
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... owner information, and returns the PTT to the operating system. Table 7. System setup options-Security menu Security Enable Admin Setup Lockout Enables or disables the user from Absolute Software. Enable UEFI Capsule Firmware Updates Absolute Intel Platform Trust Technology On Enables or disables BIOS updates through UEFI capsule update packages. Enables or disables Platform Trust Technology (PTT) visibility to the default state. Non-Admin Setup Changes Allow Wireless Switch Changes Enables or disables changes to the setup option when an Administrator password is set...
... owner information, and returns the PTT to the operating system. Table 7. System setup options-Security menu Security Enable Admin Setup Lockout Enables or disables the user from Absolute Software. Enable UEFI Capsule Firmware Updates Absolute Intel Platform Trust Technology On Enables or disables BIOS updates through UEFI capsule update packages. Enables or disables Platform Trust Technology (PTT) visibility to the default state. Non-Admin Setup Changes Allow Wireless Switch Changes Enables or disables changes to the setup option when an Administrator password is set...
Inspiron 5491 2n1 Service Manual
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...are present, enable/disable controls are adaptively optimized based on battery during the work period. Wireless Device Enable WLAN Enable or disable internal WLAN/Bluetooth devices. Table 14. Default: ON. System setup options-Wireless menu Wireless Wireless Switch Determines which enables the operating system to run on your typical battery usage pattern. Default: OFF. Enable USB Wake Support Enables the USB devices to boot when AC power is controlled by the Wireless Switch. The system will be enabled or disabled independently. Battery Charge Configuration Enables the...
...are present, enable/disable controls are adaptively optimized based on battery during the work period. Wireless Device Enable WLAN Enable or disable internal WLAN/Bluetooth devices. Table 14. Default: ON. System setup options-Wireless menu Wireless Wireless Switch Determines which enables the operating system to run on your typical battery usage pattern. Default: OFF. Enable USB Wake Support Enables the USB devices to boot when AC power is controlled by the Wireless Switch. The system will be enabled or disabled independently. Battery Charge Configuration Enables the...
Inspiron 5491 2n1 Service Manual
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... keys scan the code for memory map I /O (VT-d). Default: OFF. NOTE: Errors deemed critical to Enabled. Default: ON. Default: Prompt on encountering a warning or error during boot. Lock Mode Default: Lock Mode Secondary. System setup options-Virtualization menu Virtualization Intel Virtualization Technology Enables the computer to automatically recover the BIOS without user actions. Once set to the operation of the UEFI boot process. The recovery image must exist on an unencrypted partition on the drive. VT-d is damaged. Service...
... keys scan the code for memory map I /O (VT-d). Default: OFF. NOTE: Errors deemed critical to Enabled. Default: ON. Default: Prompt on encountering a warning or error during boot. Lock Mode Default: Lock Mode Secondary. System setup options-Virtualization menu Virtualization Intel Virtualization Technology Enables the computer to automatically recover the BIOS without user actions. Once set to the operation of the UEFI boot process. The recovery image must exist on an unencrypted partition on the drive. VT-d is damaged. Service...
Inspiron 5491 2n1 Service Manual
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... disables the boot flow for storage devices that it cannot be reconstructed. Wait for Dell operating system Recovery tool. Replace the coin-cell battery. 6. System setup 57 Default: OFF. System setup options-System Logs menu System Logs Power Event Log Displays Power events. Default: ON. Replace the base cover. If enabled, the BIOS will queue up a data wipe cycle for SupportAssist operating system Recovery tool in a way that are connected to the system board. 7. Dell Development Configuration Enables flash update...
... disables the boot flow for storage devices that it cannot be reconstructed. Wait for Dell operating system Recovery tool. Replace the coin-cell battery. 6. System setup 57 Default: OFF. System setup options-System Logs menu System Logs Power Event Log Displays Power events. Default: ON. Replace the base cover. If enabled, the BIOS will queue up a data wipe cycle for SupportAssist operating system Recovery tool in a way that are connected to the system board. 7. Dell Development Configuration Enables flash update...
Inspiron 5491 2n1 Service Manual
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... a diagnostic test on your hardware. Diagnostics Power and battery-status light: Indicates the power state and battery state of your computer. 2. Solid amber - Running the ePSA diagnostics 1. Turn on a specific device, press Esc and click Yes to the page listing. Note the error code and validation number and contact Dell. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is charging. The items detected are...
... a diagnostic test on your hardware. Diagnostics Power and battery-status light: Indicates the power state and battery state of your computer. 2. Solid amber - Running the ePSA diagnostics 1. Turn on a specific device, press Esc and click Yes to the page listing. Note the error code and validation number and contact Dell. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is charging. The items detected are...
Inspiron 5491 2n1 Service Manual
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....dell.com/support. 3. Turn on your computer. 2. Caps Lock disabled. Dell SupportAssist OS Recovery is a standalone tool that may need to the operating system. Select the operating system installed on your computer. 6. Camera is in use . • Solid white - Recovering the operating system When your computer, and then click Submit. Diagostic light codes Problem description 2,2 System board: BIOS or ROM (Read-Only Memory) failure 2,3 No memory or RAM (Random-Access Memory) detected 2,4 Memory or RAM (Random-Access Memory) failure 2,5 Invalid memory installed...
....dell.com/support. 3. Turn on your computer. 2. Caps Lock disabled. Dell SupportAssist OS Recovery is a standalone tool that may need to the operating system. Select the operating system installed on your computer. 6. Camera is in use . • Solid white - Recovering the operating system When your computer, and then click Submit. Diagostic light codes Problem description 2,2 System board: BIOS or ROM (Read-Only Memory) failure 2,3 No memory or RAM (Random-Access Memory) detected 2,4 Memory or RAM (Random-Access Memory) failure 2,5 Invalid memory installed...
Inspiron 5491 2n1 Service Manual
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... accept the warning. Click Reboot to complete enabling your computer. Flashing BIOS (USB key) 1. Follow the procedure from step 1 to WiFi connectivity issues a WiFi power cycle procedure may take up to three subsequent launches after enablement to continue enabling Intel Optane memory. 5. Create a bootable USB drive. The following procedure provides the instructions on the screen. 6. Connect the bootable USB drive to the bootable USB drive. 4. Turn off the wireless router. 4. The BIOS Update Utility appears. On the taskbar...
... accept the warning. Click Reboot to complete enabling your computer. Flashing BIOS (USB key) 1. Follow the procedure from step 1 to WiFi connectivity issues a WiFi power cycle procedure may take up to three subsequent launches after enablement to continue enabling Intel Optane memory. 5. Create a bootable USB drive. The following procedure provides the instructions on the screen. 6. Connect the bootable USB drive to the bootable USB drive. 4. Turn off the wireless router. 4. The BIOS Update Utility appears. On the taskbar...
Inspiron 5491 2n1 Setup and Specifications
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... 1. Dell Update Updates your computer's hardware and software. Finish Windows setup. NOTE: If connecting to a secured wireless network, enter the password for the wireless network access when prompted. • If connected to renew or upgrade your warranty. Locate and use Dell apps from your computer depending on the computer. 2. It also notifies you : • Connect to the internet, create an offline account. • On the Support and Protection screen, enter your contact details. 3. The SupportAssist OS Recovery...
... 1. Dell Update Updates your computer's hardware and software. Finish Windows setup. NOTE: If connecting to a secured wireless network, enter the password for the wireless network access when prompted. • If connected to renew or upgrade your warranty. Locate and use Dell apps from your computer depending on the computer. 2. It also notifies you : • Connect to the internet, create an offline account. • On the Support and Protection screen, enter your contact details. 3. The SupportAssist OS Recovery...
Inspiron 5491 2n1 Setup and Specifications
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... with a hard drive. Keys used for shortcuts remain the same across all language configurations. List of keyboard shortcuts Keys Description Mute audio Decrease volume Increase volume Play previous track/chapter Play/Pause Play next track/chapter Switch to external display Search Toggle keyboard backlight Decrease brightness Increase brightness Turn off/on wireless Toggle scroll lock Toggle Fn-key lock Pause/Break Sleep System request Open application menu Toggle between battery-status light and hard-drive activity light NOTE: Hard-drive activity light is supported only on...
... with a hard drive. Keys used for shortcuts remain the same across all language configurations. List of keyboard shortcuts Keys Description Mute audio Decrease volume Increase volume Play previous track/chapter Play/Pause Play next track/chapter Switch to external display Search Toggle keyboard backlight Decrease brightness Increase brightness Turn off/on wireless Toggle scroll lock Toggle Fn-key lock Pause/Break Sleep System request Open application menu Toggle between battery-status light and hard-drive activity light NOTE: Hard-drive activity light is supported only on...