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10 Maintenance

Adding or replacing memory modules

The computer has one memory module compartment. The capacity of the computer can be upgraded

by adding a memory module to the vacant expansion memory module slot or by upgrading the

existing memory module in the primary memory module slot.

NOTE: Before adding or replacing a memory module, make sure the computer has the most recent

BIOS version, and update the BIOS if needed. See

Updating the BIOS on page 64.

CAUTION: Failure to update the computer to the latest BIOS prior to installing or replacing a

memory module may result in various system problems.

WARNING! To reduce the risk of electric shock and damage to the equipment, unplug the power

cord and remove all batteries before installing a memory module.

CAUTION: Electrostatic discharge (ESD) can damage electronic components. Before beginning any

procedure, ensure that you are discharged of static electricity by touching a grounded metal object.

CAUTION: To prevent information loss or an unresponsive system:

Shut down the computer before adding or replacing memory modules. Do not remove a memory

module while the computer is on, in the Sleep state, or in Hibernation.

If you are not sure whether the computer is off or in Hibernation, turn the computer on by pressing the

power button. Then shut down the computer through the operating system.

NOTE: To use a dual-channel configuration when adding a second memory module, be sure that

both memory modules are identical.

To add or replace a memory module:

1. Save your work and shut down the computer.

2. Disconnect AC power and external devices connected to the computer.

3. Remove the battery (see

Removing a battery on page 34).

4. Remove the service door (see

Removing the service door on page 43).

5. If you are replacing a memory module, remove the existing memory module:

a. Pull away the retention clips (1) on each side of the memory module.

The memory module tilts up.

Adding or replacing memory modules 55

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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