DELL WorkStation 210 ユーザーズマニュアル
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Dell Precision 210 Desktop Systems User’s Guide
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To verify that all power has been removed from the system, make sure that the
standby light-emitting diode (LED) on the system board has gone out. For the
location of this LED, see Figure 9-1.
standby light-emitting diode (LED) on the system board has gone out. For the
location of this LED, see Figure 9-1.
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While you work, periodically touch an unpainted metal surface on the computer
chassis to dissipate any static electricity that might harm internal components.
Also avoid touching components or contacts on a card and avoid touching pins on
a chip.
chassis to dissipate any static electricity that might harm internal components.
Also avoid touching components or contacts on a card and avoid touching pins on
a chip.
In addition, Dell recommends that you periodically review the safety instructions at
the front of this guide.
the front of this guide.
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When you remove an option from its shipping carton, you may find it wrapped in anti-
static packing material designed to protect it from electrostatic damage. Do not
remove the packing material until you are ready to install the option.
static packing material designed to protect it from electrostatic damage. Do not
remove the packing material until you are ready to install the option.
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Use the following procedure to remove the computer cover:
1.
Turn off your computer and peripherals, and make sure you unplug the computer
from its electrical outlet before you remove the computer cover. Observe the
Warning for Your Personal Safety and Protection of Your Equipment
described earlier in this chapter. Also observe the safety instructions at the
front of this guide.
from its electrical outlet before you remove the computer cover. Observe the
Warning for Your Personal Safety and Protection of Your Equipment
described earlier in this chapter. Also observe the safety instructions at the
front of this guide.
2.
If you have installed a padlock through the padlock ring on the back panel
(see Figure 7-1), remove the padlock.
(see Figure 7-1), remove the padlock.