When the DC voltage is lower than 11.5V, an E21 error will occur. Consumers are advised to power off for 3-5 minutes and try again. If the same error still occurs, it may be a problem with the adapter.
An E21 error occurs when the DC voltage is below 11.5V. Consumers are advised to lose power for 3-5 minutes before trying. If the same error occurs, it may be an adapter problem.
When the DC voltage is lower than 11.5V, E21 error will appear. Consumers are advised to cut off power for 3-5 minutes and try again. If the same error occurs, it may be a problem with the adapter.<br>