Chapter 4
109
K
External keyboard
If any of these devices do not work, reconnect the cable connector and repeat the failing operation.
Memory check
Memory errors might stop system operations, show error messages on the screen, or hang the system.
1.
Boot from the diagnostics diskette and start the diagnostic program (please refer to main board.
2.
Go to the diagnostic memory in the test items.
3.
Press F2 in the test items.
4.
Follow the instructions in the message window.
NOTE: Make sure that the DIMM is fully installed into the connector. A loose connection can cause an error.
Power System Check
To verify the symptom of the problem, power on the computer using each of the following power sources:
1.
Remove the battery pack.
2.
Connect the power adapter and check that power is supplied.
3.
Disconnect the power adapter and install the charged battery pack; then check that power is supplied by
the battery pack.
If you suspect a power problem, see the appropriate power supply check in the following list:
K
“Check the Power Adapter” on page 110
K
“Check the Battery Pack” on page 111
Summary of Contents for TravelMate 6593 Series
Page 6: ...VI ...
Page 9: ...IX Table of Contents Online Support Information 167 Index 169 ...
Page 10: ...X Table of Contents ...
Page 46: ...36 Chapter 1 ...
Page 62: ...52 Chapter 2 ...
Page 93: ...Chapter 3 83 22 Disconnect the LED cable from the LED_CN1 connector on the main board ...
Page 116: ...106 Chapter 3 ...
Page 130: ...120 Chapter 4 F5h Boot to Mini DOS F6h Clear Huge Segment F7h Boot to Full DOS Code Beeps ...
Page 137: ...Chapter 5 127 Top and Bottom View Jumper and Connector Locations Chapter 5 ...
Page 140: ...130 Chapter 5 ...
Page 172: ...Appendix A 162 ...
Page 176: ...166 Appendix B ...
Page 178: ...168 Appendix C ...