Dell Latitude 7230 Rugged Extreme Tablet Service Manual - Page 6

Working inside your computer, Safety instructions, Installation and operating instructions

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1 Working inside your computer Safety instructions Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped with your computer. WARNING: Before working inside your computer, read the safety information that is shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. WARNING: Disconnect your computer from 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 your computer to an electrical outlet. CAUTION: To avoid damaging the computer, ensure that the work surface is flat, dry, and clean. CAUTION: To avoid damaging the components and cards, handle them by their edges, and avoid touching the pins and the contacts. 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 is shipped with the product or at www.dell.com/regulatory_compliance. 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: When you disconnect a cable, pull it by its connector or its pull tab, not the cable itself. Some cables have connectors with locking tabs or thumbscrews that you must disengage before disconnecting the cable. When disconnecting cables, keep them evenly aligned to avoid bending the connector pins. When connecting cables, ensure that the ports and the connectors are correctly oriented and aligned. CAUTION: Press and eject any installed card from the media-card reader. CAUTION: Exercise caution when handling Lithium-ion batteries in laptops. Swollen batteries should not be used and should be replaced and disposed properly. NOTE: The color of your computer and certain components may appear differently than shown in this document. Installation and operating instructions An installation manual is provided with each unit to direct the user on proper installation and operation of the device. NOTE: Warning and Safety instructions are provided in English and French for Canadian Certification. NOTE: Suitable for use in class I, division 2, groups A, B, C and D hazardous locations, or nonhazardous locations only. WARNING: Explosion hazard - Do not disconnect equipment (rechargeable Lithium-ion battery) unless power has been switched off or the area is known to be non-hazardous. WARNING: Explosion hazard - Substitution of any component can impair suitability for class I, division 2. 6 Working inside your computer

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Working inside your computer
Safety instructions
Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless
otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped
with your computer.
WARNING:
Before working inside your computer, read the safety information that is shipped with your
computer. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/
regulatory_compliance
.
WARNING:
Disconnect your computer from 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 your
computer to an electrical outlet.
CAUTION:
To avoid damaging the computer, ensure that the work surface is flat, dry, and clean.
CAUTION:
To avoid damaging the components and cards, handle them by their edges, and avoid touching the
pins and the contacts.
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 is shipped with the product or at
www.dell.com/regulatory_compliance
.
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:
When you disconnect a cable, pull it by its connector or its pull tab, not the cable itself. Some cables
have connectors with locking tabs or thumbscrews that you must disengage before disconnecting the cable.
When disconnecting cables, keep them evenly aligned to avoid bending the connector pins. When connecting
cables, ensure that the ports and the connectors are correctly oriented and aligned.
CAUTION:
Press and eject any installed card from the media-card reader.
CAUTION:
Exercise caution when handling Lithium-ion batteries in laptops. Swollen batteries should not be used
and should be replaced and disposed properly.
NOTE:
The color of your computer and certain components may appear differently than shown in this document.
Installation and operating instructions
An installation manual is provided with each unit to direct the user on proper installation and operation of the device.
NOTE:
Warning and Safety instructions are provided in English and French for Canadian Certification.
NOTE:
Suitable for use in class I, division 2, groups A, B, C and D hazardous locations, or nonhazardous locations only.
WARNING:
Explosion hazard - Do not disconnect equipment (rechargeable Lithium-ion battery) unless power
has been switched off or the area is known to be non-hazardous.
WARNING:
Explosion hazard - Substitution of any component can impair suitability for class I, division 2.
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Working inside your computer