Dell Inspiron 17 7746 Service Manual - Page 8

Safety Instructions, Recommended Tools, Phillips screwdriver

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Safety Instructions Use the following safety guidelines to protect your computer from potential damage and make sure your personal safety. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices , see the Regulatory Compliance at dell.com/regulatory_compliance. WARNING: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all covers, panels, and screws before connecting to the power source. CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that shipped with the product or at dell.com/regulatory_compliance. CAUTION: To avoid damaging the computer, make sure that the work surface is flat and clean. CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device. CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking tabs or thumb-screws that you must disengage before disconnecting the cable. When disconnecting cables, keep them evenly aligned to avoid bending any connector pins. When connecting cables, make sure that the connectors and ports are correctly oriented and aligned. CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components. CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts. CAUTION: Press and eject any installed card from the media-card reader. Recommended Tools The procedures in this document may require the following tools: • Phillips screwdriver • Plastic scribe 8 | Before Working Inside Your Computer

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Before Working Inside Your Computer
Safety Instructions
Use the following safety guidelines to protect your computer from potential damage and
make sure your personal safety.
WARNING:
Before working inside your computer, read the safety
information that shipped with your computer. For additional safety best
practices , see the Regulatory Compliance at dell.com/regulatory_compliance.
WARNING:
Disconnect all power sources before opening the computer cover or
panels. After you finish working inside the computer, replace all covers, panels,
and screws before connecting to the power source.
CAUTION: You should only perform troubleshooting and repairs as authorized
or directed by the Dell technical assistance team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty.
See the safety instructions that shipped with the product or at
dell.com/regulatory_compliance.
CAUTION: To avoid damaging the computer, make sure that the work surface is
flat and clean.
CAUTION: To disconnect a network cable, first unplug the cable from your
computer and then unplug the cable from the network device.
CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab,
not on the cable itself. Some cables have connectors with locking tabs or
thumb-screws that you must disengage before disconnecting the cable.
When disconnecting cables, keep them evenly aligned to avoid bending any
connector pins. When connecting cables, make sure that the connectors and
ports are correctly oriented and aligned.
CAUTION: Before touching anything inside your computer, ground yourself by
touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to
dissipate static electricity, which could harm internal components.
CAUTION: To avoid damaging the components and cards, handle them by their
edges and avoid touching pins and contacts.
CAUTION: Press and eject any installed card from the media-card reader.
Recommended Tools
The procedures in this document may require the following tools:
•
Phillips screwdriver
•
Plastic scribe