Service Manual
Table Of Contents
- Dell™ Vostro™ 420/220/220s Service Manual
- Troubleshooting
- Working on Your Computer
- Computer Cover
- Bezel
- Chassis Support Bracket
- PCI and PCI Express Cards
- Drives
- I/O Panel
- Fan
- Processor Heat Sink/Fan Assembly
- Memory Module(s)
- Power Supply
- Coin-Cell Battery
- System Board
- Processor
- System Setup Program
- Contacting Dell
Computer Cover 47
Computer Cover
CAUTION: Before working inside your computer, read the safety information that
shipped with your computer. For additional safety best practices information, see
the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION: To guard against electrical shock, always unplug your computer from
the electrical outlet before removing the cover.
CAUTION: Do not operate your equipment with any cover(s) (including computer
covers, bezels, filler brackets, front-panel inserts, and so on) removed.
NOTICE: Ensure that sufficient space exists to support the system with the cover
removed—at least 1 ft (30 cm) of desktop space.
NOTICE: The procedure for removing and replacing the computer cover is
identical for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustration
provided is for example only and may not represent your particular computer
precisely.
Removing the Computer Cover
1
Follow the procedures in "Before Working on Your Computer" on page 35.
2
Lay the computer on its side, with the cover facing up.
3
Remove the two thumbscrews securing the cover.