Toshiba Satellite M500 Maintenance Manual page 56

2 Troubleshooting Procedures
The POST checks the main board. When the POST detects an error, the system
Check 2
stops or an error message appears.
If one of the following error messages (1) through (3), (5) or (11) appears, go to
Procedure 3.
If the error message (12), (13) appears, go to the Keyboard Troubleshooting
Procedures in Section 2.7.
If the error message (15) appears, go to the HDD Troubleshooting Procedures in
Section 2.6.
(1).
(2).
(3).
(4).
(5).
(6).
(7).
(8).
(9).
(10). DMA-2 Error
(11). Timer Error
(12). Keyboard/Interface Error
(13). PS2 Keyboard not found
(14). PS2 Mouse not found
(15). Primary Master Hard Disk Error
2-20
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Refresh timer test failed
KBC BAT Test failed
RAM R/W test failed
KBC BAT Test failed
CMOS Battery Low
CMOS Settings Wrong
CMOS Date/Time Not Set
DMA Controller Error
DMA-1 Error
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