Packard Bell oneTwo M3350 / oneTwo M3351 / oneTwo L5350 / oneTwo L5351 Service Guide 25
This chapter provides step-by-step instructions on how to disassemble the computer for maintenance and
troubleshooting purposes.

Disassembly Tools

In performing the disassembly process, you will need the following tools:
Wrist-grounding strap and conductive mat for preventing electrostatic discharge
Philips screwdriver
Hex screwdriver
Flat screwdriver

Pre-disassembly Procedure

Before proceeding with the disassembly procedure, perform the steps listed below:
1. Make sure that the optical disc drive and the card reader slot are empty.
2. Turn off the power to the computer and all peripherals.
3. Unplug the power cord from the computer.
4. Unplug the network cable and all connected peripheral devices from the computer.
5. Place the computer on a flat, steady surface with the rear cover facing upward.
NOTES To reinstall the system components and assemble the unit, perform the disassembly procedures in
reverse.
The screws for the different components vary in size. During the disassembly process, group the
screws with their corresponding components to avoid mismatches when putting back the
components.
System Disassembly

Chapter 3