2 Troubleshooting Procedures
Satellite L550 / Satellite L555 / Satellite L557 / Satellite Pro L550
23
To determine if the computer’s built-in TouchPad is functioning properly, perform the
following procedures. Figure 2-9 outlines the process. Start with Procedure 1 and continue as
instructed.
Procedure 1: TouchPad connection check
Procedure 2: TouchPad replacement check
Procedure 1
TouchPad connection check
The TouchPad is connected via the TouchPad FPC to the system board. Make sure the
TouchPad FPC cable is firmly connected to the TouchPad and system board. Refer to Chapter
4,
Replacement Procedures,
for instructions on how to disassemble the computer and then
perform the following checks.
If any of the connections are loose, reconnect firmly. If any of the connections is damaged, or
there is still an error, go to Procedure 2.
Procedure 2
TouchPad replacement check
The TouchPad unit or FPC may be defective or damaged. Replace each with a new one
following the steps in Chapter 4. If the FDD is still not functioning properly, replace the
system board with a new one following the steps in Chapter 4.
Summary of Contents for Satellite L550 series
Page 1: ...Toshiba Personal Computer Satellite Maintenance Manual TOSHIBA CORPORATION ...
Page 13: ...Chapter 1 Hardware Overview ...
Page 16: ......
Page 32: ...Chapter 2 Troubleshooting Procedures 2 ...
Page 33: ......
Page 100: ...3 Tests and Diagnostics Satellite L550 ProL550 Series Maintenance Manual Series T D 13 ...
Page 122: ...Chapter 4 Replacement Procedures ...
Page 223: ...SatelliteL550 ProL550 Series Maintenance Manual E 2 3 Thai TI Keyboard 4 Korean KO Keyboard ...
Page 225: ...SatelliteL550 ProL550 Series Maintenance Manual E 4 7 Hebrew HB Keyboard ...
Page 226: ...SatelliteL550 ProL550 Series Maintenance Manual E 5 8 Danish DM Keyboard 9 Swiss SW Keyboard ...
Page 237: ...SatelliteL550 ProL550 Series Maintenance Manual E 16 30 Japanese JP Keyboard ...