Dell Latitude 3490 User Manual

system. It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its
factory state.
You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their
primary operating system due to software or hardware failures.
For more information about the Dell SupportAssist OS Recovery, see Dell SupportAssist OS Recovery User's Guide at
www.dell.com/serviceabilitytools. Click SupportAssist and then, click SupportAssist OS Recovery.
Real Time Clock reset
The Real Time Clock (RTC) reset function allows you to recover your Dell system from No POST/No Boot/No Power
situations. To initiate the RTC reset on the system make sure system is in a power-off state and is connected to power source .
Press and hold the power button for 25 seconds and then release the power button. Go to how to reset real time clock.
NOTE: If AC power is disconnected from the system during the process or the power button is held longer than 40
seconds, the RTC reset process is aborted.
The RTC reset will reset the BIOS to Defaults, un-provision Intel vPro and reset the system date and time. The following items
are unaffected by the RTC reset:
● Service Tag
● Asset Tag
● Ownership Tag
● Admin Password
● System Password
● HDD Password
● TPM on and Active
● Key Databases
● System Logs
The following items may or may not reset based on your custom BIOS setting selections:
● The Boot List
● Enable Legacy OROMs
● Secure Boot Enable
● Allow BIOS Downgrade
Backup media and recovery options
It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes
multiple options for recovering Windows operating system on your Dell PC. For more information. see Dell Windows Backup
Media and Recovery Options.
WiFi power cycle
If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may 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.
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.
Troubleshooting
97

Dell Latitude 3490 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black
Market positioning	Business
Memory slots	2x SO-DIMM
Internal memory	8 GB
Memory clock speed	2400 MHz
Memory form factor	SO-DIMM
Internal memory type	DDR4-SDRAM
Maximum internal memory	32 GB
Memory layout (slots x size)	1 x 8 GB
AC adapter included	Yes
HDD size	2.5 \
HDD speed	7200 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	No
Total storage capacity	500 GB
Compatible memory cards	SD, SDHC, SDXC
Number of HDDs installed	1
On-board graphics card ID	0x5917
Discrete graphics card model	Not available
On-board graphics card model	Intel® UHD Graphics 620
On-board graphics card family	Intel® UHD Graphics
On-board graphics card OpenGL version	4.4
On-board graphics card base frequency	300 MHz
On-board graphics card DirectX version	12.0
On-board graphics card dynamic frequency (max)	1100 MHz
Audio chip	Realtek ALC3246
Audio system	MaxxAudio Pro
Speaker power	2 W
Speakers manufacturer	Waves
Number of built-in speakers	2
Front camera HD type	HD
Front camera resolution	1280 x 720 pixels
Front camera signal format	720p
Front camera resolution (numeric)	0.92 MP
Antenna type	2x2
Wi-Fi standards	802.11a, 802.11b, 802.11g
Bluetooth version	4.1
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)
WLAN controller model	Qualcomm QCA61x4A
Ethernet LAN data rates	10, 100, 1000 Mbit/s
HDMI version	1.4
Charging port type	DC-in jack
DisplayPorts quantity	0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Pointing device	Touchpad
AC adapter power	65 W
AC adapter frequency	50 - 60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	3.34 A
AC adapter output voltage	19.5 V
Cable lock slot type	Noble
Operating altitude	0 - 3048 m
Non-operating altitude	0 - 10668 m
Storage temperature (T-T)	-40 - 65 °C
Operating temperature (T-T)	0 - 35 °C
Storage relative humidity (H-H)	0 - 95 %
Operating relative humidity (H-H)	10 - 90 %
Pixel pitch	0.226 x 0.226 mm
Pixel density	112 ppi
Display surface	Matt
Display diagonal	14 \
Display brightness	220 cd/m²
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Contrast ratio (typical)	300:1
Bus type	OPI
Stepping	Y0
Tjunction	100 °C
Processor cache	6 MB
Processor cores	4
System bus rate	4 GT/s
Processor family	Intel® Core™ i5
Processor socket	BGA 1356
Processor threads	8
Processor codename	Kaby Lake R
Configurable TDP-up	25 W
Processor frequency	1.6 GHz
Processor cache type	Smart Cache
Configurable TDP-down	10 W
Processor lithography	14 nm
Processor manufacturer	Intel
PCI Express slots version	3.0
Processor boost frequency	3.4 GHz
Processor operating modes	64-bit
PCI Express configurations	1x2+2x1, 1x4, 2x2, 4x1
Thermal Design Power (TDP)	15 W
Configurable TDP-up frequency	1.8 GHz
Configurable TDP-down frequency	0.8 GHz
Maximum number of PCI Express lanes	12
Operating system language	ENG, ESP, FRE
Battery capacity	56 Wh
Processor code	SR3LA
Processor ARK ID	124967
Processor package size	42 x 24 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2
Intel Identity Protection Technology version	1.00
Intel Stable Image Platform Program (SIPP) version	0.00

Weight and Dimensions

Depth	241.9 mm
Width	339 mm
Height	21 mm
Weight	1780 g