Caring For Your Computer - Dell Precision Workstation 450 User Manual

Caring for Your Computer

To help maintain your computer, follow these suggestions:
• To avoid losing or corrupting data, never turn off your computer when the hard drive
light is on.
• Schedule regular virus scans using virus software.
• Manage hard drive space by periodically deleting unnecessary files and defragmenting
the drive.
• Back up files on a regular basis.
• Periodically clean your monitor screen, mouse, and keyboard (see "Cleaning Your
Computer").
12 Infor mation About Your Computer
Environmental
Storage
Altitude:
Operating
Storage
Dell Precision 650 comptuer:
nonoperating (half-sine pulse) 105 G,
2 ms
nonoperating (faired-square wave) 27
G with a velocity change of 508
cm/sec (200 inches/sec)
Dell Precision 450 computer:
nonoperating (half-sine pulse) 105 G,
2 ms
nonoperating (faired-square wave) 32
G wtih a velocity change of 596
cm/sec (200 inches/sec)
–15 to 3048 m (–50 to 10,000 ft)
NOTE: At 35°C (95°F), the maximum
operating altitude is 914 m (3000 ft).
–15 to 10,600 m (–50 to 35,000 ft)