Troubleshooting Procedures
With no error surveillance
Error code | Meaning |
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E0h | voltage is over 5.00V. |
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E1h | voltage is under 0.00V when the computer is powered on. |
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E2h | voltage is under 0.00V when the computer is booting up. |
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Miscellaneous
Error code | Meaning |
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F0h | The sub clock does not oscillate. |
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Check 2 In the case of error code 10h or 12h:
Make sure the AC adapter and AC power cord are firmly plugged into the DC IN 15 V socket and wall outlet. If the cables are connected firmly, go to the following step.
Connect a new AC adapter and AC power cord. If the problem still occurs, go to Procedure 5.
Check 3 In the case of error code 21h:
Go to Procedure 3.
Check 4 For any other errors, go to Procedure 5.
[CONFIDENTIAL] | PORTEGE M780 Maintenance Manual |
