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OptiPlex 5000 Micro Service Manual

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Safety precautions

The safety precautions section details the primary steps to be taken before performing any disassembly instructions.

Standby power

Observe the following safety precautions before you perform any installation or break-fix procedures involving disassembly or reassembly:
  • Turn off the computer and all attached peripherals.
  • Disconnect the computer from AC power.
  • Disconnect all network cables and peripherals from the computer.
  • Use an ESD field service kit when working inside any desktop to avoid electrostatic discharge (ESD) damage.
  • After removing a computer component, carefully place the removed component on an anti-static mat.
  • Wear shoes with non-conductive rubber soles to reduce the chance of getting electrocuted.
  • Unplugging, pressing, and holding the power button for 15 seconds should discharge residual power in the system board.

Dell products with standby power must be unplugged before you open the case. Systems equipped with standby power are powered while turned off. The internal power enables the computer to be remotely turned on (Wake-on-LAN) and suspended into a sleep mode and has other advanced power management features.

Bonding

Bonding is a method for connecting two or more grounding conductors to the same electrical potential. This is done by using a field service electrostatic discharge (ESD) kit. When connecting a bonding wire, ensure that it is connected to bare metal and never to a painted or nonmetal surface. Ensure that the wrist strap is secure and in full contact with your skin. Remove all jewelry such as watches, bracelets, or rings before to grounding yourself and the equipment.

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