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Opening the Computer Cover
Dell™ Dimension™ 4700C Service Manual
1.
Shut down the computer
through the Start menu.
2.
Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.
3.
Disconnect any telephone or telecommunication lines from the computer.
4.
Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
5.
Remove the computer stand
, if it is attached.
6.
Locate the
two
release buttons shown in the illustration. Then press the
two
release buttons as you lift the cover.
7.
Raise the back of the cover, and pivot it toward the front of the computer.
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CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide
.
NOTICE:
To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION:
To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE:
Ensure that there is sufficient space to support the open cover
—at least 30 cm (1 ft) of desk top space.
NOTICE:
Open the cover slowly to ensure that you do not damage any cables.
NOTE:
Make sure that the computer is oriented with the cable security tab on top, as shown in the illustration.
Содержание Dimension 4700C
Страница 31: ...3 Place the computer in a horizontal position until you reattach the stand Back to Contents Page ...
Страница 38: ...Power Supply DC Connector Pin Assignments DC Power Connector P1 Pin Number Signal name 18 AWG Wire ...
Страница 40: ...Back to Contents Page Pin Number Signal Name 22 AWG Wire 1 5 VCD Red 2 GND Black 3 GND Black 4 12 VDC Yellow ...
