Dell Dimension 4400 Dell Dimension 4400 Systems Owner's Manual - Page 12
When Working Inside Your Computer - user guide
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www.dell.com | support.dell.com monitor screen at or below eye level wrists relaxed and flat computer positioned directly in front of user arms at desk level feet flat on the floor When Working Inside Your Computer Before you open the computer cover, perform the following steps in the sequence indicated. CAUTION: Do not attempt to service the computer yourself, except as explained in this guide and elsewhere in Dell documentation. Always follow installation and service instructions closely. 1 Turn off the computer (see page 20). 2 Turn off all devices. 12
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12
www.dell.com | support.dell.com
When Working Inside Your Computer
Before you open the computer cover, perform the following steps in the
sequence indicated.
CAUTION:
Do not attempt to service the computer yourself,
except as explained in this guide and elsewhere in Dell
documentation. Always follow installation and service
instructions closely.
1
Turn off the computer (see page 20).
2
Turn off all devices.
monitor screen at or
below eye level
wrists relaxed
and flat
computer positioned
directly in front of
user
arms at desk
level
feet flat on the
floor