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2 Troubleshooting Procedures
2-20 [CONFIDENTIAL] Satellite M500/M505/M507 Maintenance Manual
Check 2 The POST checks the main board. When the POST detects an error, the system
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). Refresh timer test failed
(2). KBC BAT Test failed
(3). RAM R/W test failed
(4). KBC BAT Test failed
(5). CMOS Battery Low
(6). CMOS Settings Wrong
(7). CMOS Date/Time Not Set
(8). DMA Controller Error
(9). DMA-1 Error
(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