Troubleshooting Procedures
E3V output
Error code | Meaning |
|
|
60h | E3V voltage is over 3.96V. |
|
|
61h | E3V voltage is under 2.81V when the computer is powered on. |
|
|
62h | E3V voltage is under 2.81V when the computer is booting up. |
|
|
64h | E3V voltage is under 2.81V when EV power is maintained. |
|
|
IGD-PGV output
Error code | Meaning |
|
|
70h | |
|
|
71h | |
|
|
72h | |
|
|
PTV output
Error code | Meaning |
|
|
80h | PTV voltage is over 1.26V. |
|
|
81h | PTV voltage is under 0.89V when the computer is powered on. |
|
|
82h | PTV voltage is under 0.89V when the computer is booting up. |
|
|
PPV output
Error code | Meaning |
|
|
90h | PPV voltage is over 1.68V. |
|
|
91h | PPV voltage is under 0.00V when the computer is powered on. |
|
|
92h | PPV voltage is under 0.55V when the computer is booting up. |
|
|
[CONFIDENTIAL] | PORTEGE M780 Maintenance Manual |
