Dell XPS 12 User Guide

Troubleshooting
Battery problem
Problems Possible causes Possible solutions
Battery does not charge The cable connections
may be loose.
1 Check the cable,
connectors, and
power adapter to
ensure proper
connectivity.
2 Verify that the wall
outlet is functioning
by connecting
another device.
The tablet's temperature is
below 0°C (32°F) or higher
than 35°C (95°F).
Charge the battery in an
ambient temperature
between 0°C to 35°C
(32°F to 95°F).
The battery or power
adapter is damaged.
Contact Dell. See
Contacting Dell.
Battery does not charge
when the battery charge is
at 95% to 99%
The battery is in
maintenance mode to
prolong battery life.
• Let the battery drain
until the battery
charge drops below
95%.
• Restart the tablet. See
Turning off your tablet
and
Turning on your tablet.
Battery drains quickly
even when the tablet is in
standby mode
If the tablet is not in the
range of a network it can
connect to, the tablet
continues to try to locate
a base station and drains
the battery.
• Temporarily turn off
the tablet.
• Move the tablet in
range of a network it
can connect to or
temporarily turn off
the wireless
7
Troubleshooting 31

Dell XPS 12 Specifications

General

Form factor	Convertible (Ferris Wheel)
Product type	Laptop
Product color	Black, Silver
Bus type	DMI2
Stepping	C0
Tjunction	100 °C
Processor cache	4 MB
Processor cores	2
Processor model	i7-4500U
System bus rate	- GT/s
Processor family	Intel® Core™ i7
Processor series	Intel Core i7-4500 Mobile series
Processor socket	BGA 1168
Processor threads	4
Processor codename	Haswell
Processor frequency	1.8 GHz
Processor cache type	Smart Cache
Processor lithography	22 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	3 GHz
Processor operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	2x4
Thermal Design Power (TDP)	15 W
Maximum number of PCI Express lanes	12
Motherboard chipset	Intel® QS77 Express
Internal memory	8 GB
Memory clock speed	1600 MHz
Memory form factor	On-board
Internal memory type	DDR3-SDRAM
Storage media	SSD
Card reader integrated	-
Total storage capacity	512 GB
Display diagonal	12.5 \
Touch technology	Multi-touch
Touchscreen type	Capacitive
Native aspect ratio	16:9
On-board graphics card ID	0xA16
On-board graphics card model	Intel® HD Graphics 4400
On-board graphics card family	Intel® HD Graphics
On-board graphics card memory	0.5 GB
Maximum on-board graphics card memory	1.74 GB
On-board graphics card base frequency	200 MHz
On-board graphics card dynamic frequency (max)	1100 MHz
Speaker power	2 W
Number of built-in speakers	1
Front camera resolution	1280 x 1024 pixels
Front camera resolution (numeric)	1.3 MP
Wi-Fi standards	Wi-Fi 5 (802.11ac)
Bluetooth version	4.0
Charging port type	DC-in jack
USB 2.0 ports quantity	0
Pointing device	Touchpad
Operating system installed	Windows 8.1 Pro
Processor code	SR16Z
Processor ARK ID	75460
Intel TSX-NI version	0.00
Processor package size	40 x 24 x 1.5 mm
Intel ME Firmware Version	9.5
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2
Intel Smart Connect Technology version	1.00
Battery capacity	50 Wh
Battery life (max)	- h
Number of battery cells	6
AC adapter power	45 W
Cable lock slot type	Noble

Weight and Dimensions

Depth	215 mm
Width	317 mm
Weight	1520 g
Height (rear)	20 mm
Height (front)	15 mm