Dell Precision 7520 User Manual

Contents
1 Working on your computer............................................................................................................................. 7
Safety instructions............................................................................................................................................................. 7
Turning o your — Windows............................................................................................................................................7
Before working inside your computer.............................................................................................................................. 7
After working inside your computer.................................................................................................................................8
2 Disassembly and reassembly..........................................................................................................................9
Recommended tools.......................................................................................................................................................... 9
SD card................................................................................................................................................................................9
Removing SD card....................................................................................................................................................... 9
Installing SD card..........................................................................................................................................................9
Battery cover......................................................................................................................................................................9
Removing the battery cover....................................................................................................................................... 9
Installing the battery cover........................................................................................................................................10
Battery............................................................................................................................................................................... 10
Lithium-ion battery precautions................................................................................................................................10
Removing the battery................................................................................................................................................ 10
Installing the battery....................................................................................................................................................11
Hard drive........................................................................................................................................................................... 11
Removing the hard drive............................................................................................................................................ 11
Installing the hard drive.............................................................................................................................................. 12
Hard drive cable connector............................................................................................................................................. 13
Removing the hard drive cable connector...............................................................................................................13
Installing the hard drive cable connector................................................................................................................. 13
Keyboard lattice and Keyboard........................................................................................................................................14
Removing the keyboard............................................................................................................................................. 14
Installing the keyboard............................................................................................................................................... 15
Base cover.........................................................................................................................................................................15
Removing the base cover..........................................................................................................................................15
Installing the base cover............................................................................................................................................ 16
SIM card.............................................................................................................................................................................16
Removing the SIM card............................................................................................................................................. 16
Installing the SIM card................................................................................................................................................17
Memory modules.............................................................................................................................................................. 17
Removing the primary memory module................................................................................................................... 17
Installing the primary memory module..................................................................................................................... 18
Removing the secondary memory module..............................................................................................................18
Installing the secondary memory module................................................................................................................ 19
WWAN card.......................................................................................................................................................................19
Removing Wireless Wide Area Network - WWAN card.........................................................................................19
Installing the WWAN card ........................................................................................................................................20
WLAN card....................................................................................................................................................................... 20
Removing the Wireless Local Area Network - WLAN card.................................................................................. 20
Contents
3

Dell Precision 7520 Specifications

General

Form factor	Clamshell
Product type	Mobile workstation
Product color	Black
Memory slots	4x SO-DIMM
Internal memory	8 GB
Memory clock speed	2400 MHz
Memory form factor	SO-DIMM
Internal memory type	DDR4-SDRAM
Maximum internal memory	64 GB
Memory layout (slots x size)	1 x 8 GB
3D	No
AC adapter included	Yes
HDD speed	7200 RPM
HDD interface	SATA III
Storage media	HDD
Total storage capacity	500 GB
Compatible memory cards	SD, SDHC, SDXC
Number of HDDs installed	1
Display surface	Matt
Display diagonal	15.6 \
Native aspect ratio	16:9
On-board graphics card ID	0x591B
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics 630
On-board graphics card OpenGL version	4.4
On-board graphics card base frequency	350 MHz
On-board graphics card DirectX version	12.0
On-board graphics card dynamic frequency (max)	1000 MHz
Audio system	MaxxAudio Pro
Speakers manufacturer	Waves
Wi-Fi standards	Wi-Fi 5 (802.11ac)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
ExpressCard slot	-
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	4
Pointing device	Touchpad
Operating system architecture	64-bit
Battery capacity	72 Wh
Number of battery cells	6
AC adapter power	180 W
AC adapter frequency	50 - 60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	9.23 A
AC adapter output voltage	19.5 V
Operating shock	140 G
Operating altitude	-15.2 - 3048 m
Non-operating shock	163 G
Operating vibration	0.66 G
Non-operating altitude	-15.2 - 10668 m
Non-operating vibration	1.3 G
Storage temperature (T-T)	-40 - 65 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	10 - 90 %
Bus type	DMI3
Tjunction	100 °C
Processor cache	6 MB
Processor model	i5-7300HQ
System bus rate	8 GT/s
Processor family	Intel® Core™ i5
Processor series	Intel Core i5-700 Desktop Series
Processor codename	Kaby Lake
Processor frequency	2.5 GHz
Configurable TDP-down	35 W
Processor lithography	14 nm
Processor manufacturer	Intel
PCI Express slots version	3.0
Processor boost frequency	3.5 GHz
PCI Express configurations	1x16, 1x8+2x4, 2x8
Thermal Design Power (TDP)	45 W
Maximum number of PCI Express lanes	16
Processor ARK ID	97456
Processor package size	42 x 28 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
Motherboard chipset	Intel® CM238
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth	261 mm
Width	378 mm
Weight	2800 g
Height (rear)	33 mm
Height (front)	27.76 mm