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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.

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 field.

Spacebar

Expands or collapses a drop

down list, if applicable.

Tab

Moves to the next focus area.

NOTE: 

For the standard graphics browser only.

Esc

Moves to the previous page until you view the main screen. Pressing Esc in the main screen displays a message 
that prompts you to save any unsaved changes and restarts the system.

System Setup overview

System Setup allows you to:

Change the system configuration information after you add, change, or remove any hardware in your computer.

Set or change a user-selectable option such as the user password.

Read the current amount of memory or set the type of hard drive installed.

Before you use System Setup, it is recommended that you write down the System Setup screen information for future reference.

CAUTION: 

Unless you are an expert computer user, do not change the settings for this program. Certain changes can cause your 

computer to work incorrectly.

Accessing System Setup

Turn on (or restart) your computer.

After the white Dell logo appears, press F2 immediately.
The System Setup page is displayed.

NOTE: 

If you wait too long and the operating system logo appears, wait until you see the desktop. Then, shut down or 

restart your computer and try again.

NOTE: 

After the Dell logo appears, you can also press F12 and then select BIOS setup.

General screen options

This section lists the primary hardware features of your computer.

Option

Description

System Information

This section lists the primary hardware features of your computer.

System Information: Displays BIOS Version, Service Tag, Asset Tag, Ownership Tag, Ownership Date, 

Manufacture Date, and the Express Service Code.

Memory Information: Displays Memory Installed, Memory Available, Memory Speed, Memory Channels Mode, 

Memory Technology, DIMM ASize, DIMM B Size,

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System setup options

Summary of Contents for Inspiron 5491

Page 1: ...Latitude 5491 Setup and specifications guide Regulatory Model P72G Regulatory Type P72G002 ...

Page 2: ...amage 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 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 2018 05 Rev A00 ...

Page 3: ...orage 16 Media card reader 16 Display 16 Keyboard 17 Camera 17 Touchpad 18 Battery 18 Input device 19 Power adapter 19 Dimensions and weight 19 Environmental 20 4 System setup options 21 Boot Sequence 21 Navigation keys 22 System Setup overview 22 Accessing System Setup 22 General screen options 22 System Configuration screen options 23 Video screen options 24 Security screen options 25 Secure Boo...

Page 4: ...ss screen options 31 Maintenance screen options 31 5 Software 33 Operating system configurations 33 Identifying Windows 10 OS version 33 Downloading drivers 33 Chipset driver 34 Serial ATA drivers 34 Graphics controller driver 34 USB drivers 34 Serial IO driver 35 Security drivers 35 6 Getting help 37 Contacting Dell 37 4 Contents ...

Page 5: ...Set up your computer 1 Connect the power adapter 2 Press the power button 3 Follow the instructions on the screen to finish Windows setup a Connect to a network 1 Set up your computer 5 ...

Page 6: ...n in to your Microsoft account or create a new account 4 Locate Dell apps Table 1 Locate Dell apps Register your computer Dell Help Support SupportAssist Check and update your computer 6 Set up your computer ...

Page 7: ...gure 1 Front view 1 Dual array microphone 2 IR Camera 3 RGB camera 4 Dual array microphone 5 Display 6 Battery charge status light Diagnostic LED 7 Speakers NOTE Latitude 5491 system has an optional IR camera module 2 Chassis view 7 ...

Page 8: ...ver USB Type C optional Thunderbolt 3 2 USB 3 1 Gen 1 port 3 SD card reader 4 Smartcard reader optional Right view 1 Headset Microphone port 2 USB 3 1 Gen1 port with PowerShare 3 VGA port 4 Noble wedge lock slot 8 Chassis view ...

Page 9: ...Back view 1 Network port 2 Air vent 3 micro SIM card slot optional 4 HDMI port 5 USB 3 1 Gen 1 port 6 Power connector port Chassis view 9 ...

Page 10: ...Bottom view 1 Fan vents 2 Service tag 3 Speaker 4 Fan vent 10 Chassis view ...

Page 11: ...Palm rest view 1 Power button Power status LED 2 Keyboard 3 Palm rest 4 Touchpad Chassis view 11 ...

Page 12: ...and weight Environmental Processor Global Standard Products GSP are a subset of Dell s relationship products that are managed for availability and synchronized transitions on a worldwide basis They ensure the same platform is available for purchase globally This allows customers to reduce the number of configurations managed on a worldwide basis thereby reducing their costs They also enable compan...

Page 13: ...formation Chipset Intel CM246 chipset DRAM bus width 64 bit FLASH EPROM SP1 256 Mbits PCIe bus 100 Mhz External bus frequency DMI 3 0 8GT s Operating system Table 4 Operating system Operating systems supported Windows 10 Home 64 bit Windows 10 Professional 64 bit Ubuntu 16 04 LTS 64bit Memory Table 5 Memory specifications Minimum memory configuration 4 GB Maximum memory configuration 32 GB Number ...

Page 14: ...olt 3 Audio Universal audio jack Noise reduction array microphones Video HDMI 1 4 UMA One VGA HDMI 2 0 Discrete Network adapter One RJ 45 connector Serial port NA Parallel port NA SIM card reader One uSIM card slot optional Communications Table 7 Communications Network adapter Intel i219LM Gigabit 10 100 1000 Mbps Ethernet Controller RJ 45 with Intel Remote Wake UP PXE and Manageability capabiliti...

Page 15: ...lume controls Hot keys Video Table 9 Video Controller Type CPU Dependency Graphics memory type Capacity External display support Maximum resolution Intel UHD Graphics 630 UMA Intel Core i5 8300H Intel Core i5 8400H Intel Core i7 8850H Integrated Shared system memory Upto 32 GB VGA HDMI 1 4 UMA HDMI 2 0 DSC eDP Internal Via Optional Type C Port DisplayPort HDMI 1 4 UMA 4096x2160 30 Hz HDMI 2 0 DSC ...

Page 16: ...ME Up to 16 Gbps YES SSD M 2 2230 PCIe NVMe up to 256GB in WWAN slot only PCIe 3 x2 NVME Up to 16 Gbps M 2 2280 SATA SATA AHCI Up to 6 Gbps NO SSD M 2 2230 PCIe NVMe up to 256GB in WWAN slot only PCIe 3 x2 NVME Up to 16 Gbps 2 5 HDD SATA AHCI Up to 6 Gbps NO Media card reader Table 11 Media card reader specifications Type One SD 4 0 card slot Supported cards SD 4 0 Memory Stick Pro HG Duo and XC S...

Page 17: ...es HD 85 85 degrees FHD Keyboard Table 13 Keyboard specifications Number of keys 82 U S and Canada 83 Europe 84 Brazil 86 Japan Size Full sized X 19 05 mm key pitch Y 19 05 mm key pitch Backlit keyboard Yes Optional Layout QWERTY AZERTY Kanji Camera Table 14 Camera specifications Resolution Camera Still image 0 92 megapixels Video 1280x720 at 30 fps Infrared camera optional Still image 0 92 megapi...

Page 18: ... Dimension 1 51 WHr 3 Cell Li ion Polymer Battery Length 181mm 7 126 inch Width 95 9mm 3 78 inch Height 7 05mm 0 28 inch Weight 250 00 g 2 68 WHr 4 Cell Li ion Polymer Length 233mm 9 17 inch Width 95 9mm 3 78 inch Height 7 05mm 0 28 inch Weight 340 00 g 3 68 WHr 4 cell Li polymer Battery Length 233mm 9 17 inch Width 95 9mm 3 78 inch Height 7 05mm 0 28 inch Weight 340 00 g Weight maximum 0 34 kg 0 ...

Page 19: ...ion Touchpad Power adapter Table 17 Power adapter specifications Type 90 W adapter 130 W adapter Input Voltage 100 to 240 VAC Input current maximum 90 W 1 6 A 130 W 1 8 A Adapter size 7 4 mm Barrel Type Input frequency 50 Hz to 60 Hz Output current 90 W 4 62 A continuous 130 W 6 7 A continuous Rated output voltage 19 5 VDC Temperature range Operating 40º to 70º C 40º to 158º F Temperature range No...

Page 20: ... on Dell environmental features please go to the environmental attributes section See your specific region for availability Table 19 Environmental Energy efficient power supply Internal 80 plus bronze certification 155W EPA bronze 80 plus platinum certification 240W EPA platinum Customer replaceable unit No Recyclable packaging Optional US only MultiPack packaging No 20 System specifications ...

Page 21: ...equence Boot Sequence allows you to bypass the System Setup defined boot device order and boot directly to a specific device for example optical drive or hard drive During the Power on Self Test POST when the Dell logo appears you can Access System Setup by pressing F2 key Bring up the one time boot menu by pressing F12 key The one time boot menu displays the devices that you can boot from includi...

Page 22: ...e you use System Setup it is recommended that you write down the System Setup screen information for future reference CAUTION Unless you are an expert computer user do not change the settings for this program Certain changes can cause your computer to work incorrectly Accessing System Setup 1 Turn on or restart your computer 2 After the white Dell logo appears press F2 immediately The System Setup...

Page 23: ... Advanced Boot Options This option allows you the legacy option ROMs to load By default the Enable Legacy Option ROMs is disabled UEFI Boot Path Security This options controls whether or not the system will prompt the user to enter the Admin password when booting a UEFI boot path from the F12 Boot Menu Always Except Internal HDD enabled by default Always Never Date Time Allows you to change the da...

Page 24: ...s Allow Dell Docks is enabled by default USB PowerShare This field configures the USB PowerShare feature behavior This option allows you to charge external devices using the stored system battery power through the USB PowerShare port The option Enable USB Power Share is not enabled by default Audio Enable Microphone default Enable Internal Speaker default Unobtrusive Mode This option when enabled ...

Page 25: ...case character and be at least 8 characters long Password Configuration Allows you to determine the minimum and maximum length of Administrator and System passwords Password Bypass Allows you to enable or disable the permission to bypass the System and the Internal HDD password when they are set The options are Disabled Reboot bypass Default setting Disabled Password Change Allows you to enable th...

Page 26: ...U XD Support Allows you to enable the Execute Disable mode of the processor Enable CPU XD Support default OROM Keyboard Access Allows you to set an option to enter the Option ROM Configuration screens using hotkeys during boot The options are Enabled One Time Enable Disabled Default setting Enabled Admin Setup Lockout Allows you to prevent users from entering Setup when an Administrator password i...

Page 27: ...ll the keys NOTE If you disable the Custom Mode all the changes made will be erased and the keys will restore to default settings Intel Software Guard Extensions Option Description Intel SGX Enable This fields specifies you to provide a secured environment for running code storing sensitive information in the context of the main OS The options are Disabled Enabled Software Controlled default Encla...

Page 28: ...e on AC is not selected Enable Intel Speed Shift Technology the option Enable Intel Speed Shift Technology option is enabled by default Auto On Time Allows you to set the time at which the computer must turn on automatically The options are Disabled Every Day Weekdays Select Days Default setting Disabled USB Wake Support Allows you to enable USB devices to wake the system from Standby NOTE This fe...

Page 29: ...he non work hours to improve the battery health Disabled Default setting Disabled Primary Battery Charge Configuration Allows you to select the charging mode for the battery The options are Adaptive default Standard Fully charges your battery at a standard rate ExpressCharge The battery charges over a shorter period of time using Dell s fast charging technology This option is enabled by default Pr...

Page 30: ...s option is selected by default Lock Mode Disable Standard Lock Mode Enable Secondary Fastboot Allows you to speed up the boot process by bypassing some of the compatibility steps The options are Minimal Thorough default Auto Extended BIOS POST Time Allows you to create an additional preboot delay The options are 0 seconds This option is enabled by default 5 seconds 10 seconds Full Screen Logo Thi...

Page 31: ... Virtualization technology for direct I O must be enabled to use this feature Trusted Execution This option is disabled by default Wireless screen options Option Description Wireless Switch Allows to set the wireless devices that can be controlled by the wireless switch The options are WWAN GPS on WWAN Module WLAN Bluetooth All the options are enabled by default NOTE For WLAN and WiGig enable or d...

Page 32: ...owing is list of devices affected Internal SATA HDD SSD Internal M 2 SATA SDD Internal M 2 PCIe SSD Internal eMMC BIOS Recovery This field allows you to recover from certain corrupted BIOS conditions from a recover file on the user primary hard drive or an external USB key BIOS Recovery from Hard Drive enabled by default BIOS Auto Recovery 32 System setup options ...

Page 33: ...th the Windows Key R keyboard shortcut Once that box shows up enter winver it stands for Windows version Table 21 Identifying Windows 10 OS version OS Version Code name Version Latest build Windows 10 Threshold 1 1507 10240 Windows 10 Threshold 2 1511 10586 Windows 10 Redstone 1 1607 14393 Windows 10 Redstone 2 1703 15063 Windows 10 Redstone 3 1709 16299 Windows 10 Redstone 4 1803 17134 Downloadin...

Page 34: ...if no drivers are installed The unknown devices disappear once you install the chipset driver Make sure to install the following drivers some of them may exist by default Intel HID Event Filter Driver Intel Dynamic Platform and Thermal Framework Driver Intel serial IO driver Management Engine Realtek PCI E memory card Serial ATA drivers Install the latest Intel Rapid Storage driver for best perfor...

Page 35: ...d IR camera and keyboard and are installed Figure 2 Serial IO driver Security drivers This section lists the security devices in the Device Manager Security device drivers Verify if the security device drivers are installed in the computer Software 35 ...

Page 36: ...Fingerprint sensor drivers Verify if the Fingerprint sensor drivers are installed in the computer 36 Software ...

Page 37: ...port and service options Availability varies by country and product and some services may not be available in your area To contact Dell for sales technical support or customer service issues 1 Go to Dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down list at the bottom of the page 4 Select the appropriate service or support link ...

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