CHAPTER 3
UPGRADING COMPONENTS
This chapter describes how to upgrade components for the
•Safety and precautions on page 23
•Before you begin on page 24
•Upgrading the hard drive on page 25
•Upgrading the memory module on page 27
•Upgrading the
Safety and precautions
Computer components and electronic circuit boards can be damaged by discharges of static electricity. Working on computers that are still connected to a power supply can be extremely dangerous. Follow these guidelines to avoid damage to the computer or injury to yourself.
•Always disconnect the unit from the power outlet.
•Leave all components inside the
•After replacing optional devices, make sure all screws, springs, or other small parts are in place and are not left loose inside the case. Metallic parts or metal flakes can cause electrical shorts.
Only qualified personnel should perform repairs on the machine. Damage due to unauthorized servicing is not covered by the warranty.
If you are not confident of installing a hard drive, memory card or LAN CAUTION card, we recommend that you refer the job to qualified personnel.
If the LCD breaks and fluid gets onto your hands or into your eyes, immediately wash with water and seek medical attention.
WARNING
The inverter card has high voltage. Do not touch the inverter card while power is connected to the machine. Unplug the power cord before
WARNING attempting to replace any part.
To prevent static damage to components, wear a grounded wrist strap. Alternatively, discharge any static electricity by touching the bare metal chassis of the unit case, or the bare metal body of any other grounded
CAUTION appliance.
Hold electronic circuit boards by the edges only. Do not touch the components on the board unless it is necessary to do so. Do not flex or
stress the circuit board. Do not hold components such as a processor CAUTION by its pins; hold it by the edges.
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