HP 355 G2 Maintenance And Service Guide

f. Speakers (see Speakers on page 76)
g. System board (see
System board on page 79)
Remove the heat sink:
1. Turn the system board upside down with the front toward you.
2. Disconnect the fan cable (1) from the system board.
3. Following the 1 through 6 sequence stamped into the heat sink, loosen the six Phillips captive
screws (2) and (3) that secure the heat sink to the system board.
NOTE: The heat sink used on computer models equipped with a graphics subsystem with UMA
memory will only have the screws in location (2).
4. Remove the heat sink (4).
NOTE: Due to the adhesive quality of the thermal material located between the heat sink and
the system board components, it may be necessary to move the heat sink from side to side to
detach it.
NOTE: The thermal material must be thoroughly cleaned from the surfaces of the heat sink and the
system board components each time the heat sink is removed. Replacement thermal material is included
with the heat sink and system board spare part kits. thermal material is used in the following locations:
●
Thermal paste is used on the processor (1) and the heat sink section (2) that services it.
88 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

HP 355 G2 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black, Silver
Country of origin	China
Processor cache	2 MB
Processor cores	4
Processor family	AMD A4
Processor frequency	1.8 GHz
Processor cache type	L2
Processor manufacturer	AMD
Motherboard chipset	-
Memory slots	2x SO-DIMM
Internal memory	4 GB
Memory clock speed	1600 MHz
Internal memory type	DDR3L-SDRAM
Maximum internal memory	- GB
Memory layout (slots x size)	1 x 4 GB
HDD speed	5400 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi DL
Card reader integrated	Yes
Total storage capacity	500 GB
Number of HDDs installed	1
Display diagonal	15.6 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Discrete graphics card model	AMD Radeon R5 M240
Discrete graphics card memory	2 GB
Discrete graphics memory type	GDDR3
Audio system	DTS Sound+
Number of built-in speakers	2
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.0
Ethernet LAN data rates	10, 100, 1000 Mbit/s
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
Operating system installed	FreeDOS
Battery capacity	41 Wh
Battery life (max)	- h
AC adapter power	65 W

Weight and Dimensions

Depth	384 mm
Width	261 mm
Height	23.1 mm
Weight	2300 g