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2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2-16 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
Procedure 1 Message Check
When the power is turned on, the system performs the Initial Reliability Test (IRT)
installed in the BIOS ROM. The IRT tests each IC on the system board and initializes it.
If an error message is shown on the display, perform Check 1.
If there is no error message, go to Procedure 2.
If MS-DOS or Windows OS is properly loaded, go to Procedure 4.
Check 1 If one of the following error messages is displayed on the screen, press the F1
key as the message instructs. These errors occur when the system configuration
preserved in the RTC memory (CMOS type memory) is not the same as the
actual configuration or when the data is lost.
If you press the F1 key as the message instructs, the SETUP screen appears to
set the system configuration. If error message (b) appears often when the power
is turned on, replace the RTC battery. If any other error message is displayed,
perform Check 2.
(a) *** Bad HDD type ***
Check system. Then press [F1] key ......
(b) *** Bad RTC battery ***
Check system. Then press [F1] key ......
(c) *** Bad configuration ***
Check system. Then press [F1] key ......
(d) *** Bad memory size ***
Check system. Then press [F1] key ......
(e) *** Bad time function ***
Check system. Then press [F1] key ......
(f) *** Bad check sum (CMOS) ***
Check system. Then press [F1] key ......
(g) *** Bad check sum (ROM) ***
Check system. Then press [F1] key ......
Check 2 If the following error message is displayed on the screen, press any key as the
message instructs. If any other error message displays, perform Check 3.
The following error message appears when data stored in RAM under the
resume function is lost because the battery has become discharged or the
system board is damaged. Go to Procedure 3.
WARNING: RESUME FAILURE.
PRESS ANY KEY TO CONTINUE.