E851: Column up or Column down pressed at power on
|
|||||
Updated: 06/16/2017
Article #: 101
|
|||||
This message is signalling that only one of the two buttons is pressed.
Release the pressed button and power off the system and power on it again. If the message is displayed again, replace first the keyboard membrane and after the control board. |
|||||
|
|||||
|
|||||
|