Dell Latitude E7250 User Manual

Device Status Lights
Table 14. Device Status Lights
Turns on when you turn on the computer and blinks when the computer is in a power
management mode.
Turns on when the computer reads or writes data.
Turns on steadily or blinks to indicate battery charge status.
Turns on when wireless networking is enabled.
The device status LEDs are usually located either on the top or left side of the keyboard. They display the
storage, battery and wireless devices connectivity and activity. Apart from that they can be useful as a
diagnostic tool when there's a possible failure to the system.
The following table lists how to read the LED codes when possible errors occur.
Table 15. LED Lights
Storage LED Power LED Wireless LED Fault Description
Blinking Solid Solid A possible processor failure has occurred.
Solid Blinking Solid The memory modules are detected but encountered
an error.
Blinking Blinking Blinking A system board failure has occurred.
Blinking Blinking Solid A possible graphics card/video failure has occurred.
Blinking Blinking Off System failed on hard drive initialization OR System
failed in Option ROM initialization.
Blinking Off Blinking The USB controller encountered a problem during
initialization.
Solid Blinking Blinking No memory modules are installed/detected.
Blinking Solid Blinking The display encountered a problem during
initialization.
Off Blinking Blinking The modem is preventing the system from completing
POST
Off Blinking Off Memory failed to initialize or memory is unsupported.
Battery Status Lights
If the computer is connected to an electrical outlet, the battery light operates as follows:
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Dell Latitude E7250 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black
Bus type	DMI2
Stepping	F0
Tjunction	105 °C
Processor cache	3 MB
Processor cores	2
Processor model	i5-5300U
System bus rate	5 GT/s
Processor family	Intel® Core™ i5
Processor series	Intel® Core™ i5-5300 Mobile Series
Processor socket	BGA 1168
Processor threads	4
Processor codename	Broadwell
Processor frequency	2.3 GHz
Processor cache type	L3
Configurable TDP-down	7.5 W
Processor lithography	14 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	2.9 GHz
Processor operating modes	32-bit, 64-bit
ECC supported by processor	No
PCI Express configurations	4x1, 2x4
Thermal Design Power (TDP)	15 W
Configurable TDP-down frequency	0.6 GHz
Maximum number of PCI Express lanes	12
Memory slots	2x SO-DIMM
Internal memory	8 GB
Memory clock speed	1600 MHz
Memory form factor	SO-DIMM
Internal memory type	DDR3L-SDRAM
Maximum internal memory	16 GB
Memory layout (slots x size)	1 x 8 GB
AC adapter included	Yes
Intel segment tagging	Enterprise
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x
SSD capacity	The Solid State Drive's storage capacity in Gigabytes.
Storage media	SSD
Total storage capacity	256 GB
Compatible memory cards	SD
Number of SSDs installed	1
Pixel pitch	0.2025 x 0.2025 mm
Display diagonal	12.5 \
Display brightness	200 cd/m²
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
On-board graphics card ID	0x1616
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics 5500
On-board graphics card family	Intel® HD Graphics
On-board graphics card base frequency	300 MHz
On-board graphics card DirectX version	11.2
On-board graphics card dynamic frequency (max)	900 MHz
Speaker power	2 W
Wi-Fi standards	-
Bluetooth version	4.0
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Charging port type	DC-in jack
USB 2.0 ports quantity	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	3
Keyboard layout	AZERTY
Pointing device	Touchpad
Keyboard language	Belgian
Recovery operating system	Windows 8.1 Pro
Operating system installed	Windows 7 Professional
Operating system architecture	64-bit
Processor code	SR23X
Processor ARK ID	85213
Processor package size	40 x 24 x 1.3 mm
Supported instruction sets	AVX 2.0
Intel Identity Protection Technology version	1.00
Battery voltage	7.4 V
Battery capacity	52 Wh
Battery life (max)	9 h
AC adapter power	65 W
AC adapter frequency	47/63 Hz
AC adapter input voltage	90 - 264 V
AC adapter output current	3.34 A
AC adapter output voltage	19.5 V
Operating altitude	-15.2 - 3048 m
Non-operating altitude	-15.2 - 10668 m
Storage temperature (T-T)	-51 - 71 °C
Operating temperature (T-T)	0 - 60 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	10 - 90 %
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth	211 mm
Width	310.5 mm
Weight	1260 g
Height (rear)	19.4 mm
Height (front)	17.8 mm