Toshiba T2100 Series Maintenance Manual page 116

Before You Begin
Look over the procedures in this section before you begin disassembling the T2100/T2105
Series computer. Familiarize yourself with the disassembly and reassembly steps. Begin each
procedure by removing the AC power cord and the battery pack as instructed in Section 4.2,
The Battery Pack.
1. Do not disassemble the T2100/T2105 Series computer unless it is operating
abnormally.
2. Use only the correct and approved tools.
3. Make sure the working environment is free from the following elements whether
you are using or storing the T2100/T2105 Series computer:
Dust and contaminates
Static electricity
Extreme heat, cold and humidity
4. Make sure the FRU you are replacing is causing the abnormal operation by per-
forming the necessary diagnostics tests described in this manual.
5. Do not perform any operations that are not necessary, and use only the described
procedures for disassembling and installing FRUs in the computer.
6. After removing parts from the computer, place them in a safe place away from the
computer so they will not be damaged and will not interfere with your work.
7. You will remove and replace many screws when you disassemble the computer.
When you remove screws, make sure they are placed in a safe place and identified
with the correct parts.
8. When reassembling the computer, make sure you use the correct screws to secure
the various pieces in place. Screw sizes are listed in the corresponding figures.
9. The T2100 Series computers contain many sharp edges and corners, so be careful
not to injure yourself.
10. After you have replaced an FRU, make sure the T2100/T2105 Series computer is
functioning properly by performing the appropriate test on the FRU you have fixed
or replaced.
4-2
T2100 Series