Installing System Components 47
Installing System Components

Safety Instructions

WARNING: Working on systems that are still connected to a power supply can be
extremely dangerous.
CAUTION: System components and electronic circuit boards can be damaged by
discharge of static electricity.
CAUTION: Many repairs may only be done by a certified service technician.
Youshould only perform troubleshooting and simple repairs as authorized in
yourproduct documentation, or as directed by the online or telephone service
andsupport team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
withthe product.
To avoid injury to yourself or damage to your system, follow these guidelines:
• Always disconnect the system from the power outlet whenever you are
working inside the system case.
• If possible, wear a grounded wrist strap when you are working inside
thesystem case. Alternatively, discharge any static electricity by touching
the bare metal chassis of the system case, or the bare metal body of any
other grounded 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.
• Leave all components inside the static-proof packaging until they are
readyfor installation.

Recommended Tools

• Phillips screwdriver
• Flat-tipped screwdriver
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