
erneut
again
Once more, repeatedly. Expresses that something happens one more time.
Nach dem Stromausfall musste der Computer erneut gestartet werden.
After the power outage, the computer had to be started again.
again
Loading your saved state.

again
Once more, repeatedly. Expresses that something happens one more time.
Nach dem Stromausfall musste der Computer erneut gestartet werden.
After the power outage, the computer had to be started again.
'Erneut' (again) is made up of the prefix 'er-' and the adjective 'neu' (new). The prefix 'er-' often initiates a process; here, then, the process of making something 'neu' (new) or repeating it.
Die Firma hat ihr Logo erneuert.
The company renewed its logo.
As an adverb, 'erneut' (again) is flexible. It can stand at the beginning of the sentence in position 1 (then the verb follows), or in the middle field of the sentence, usually after the conjugated verb.
Erneut ist der Zug zu spät gekommen.
Again, the train arrived late.
'Erneut' (again) is often used in written language, in the news, or in formal contexts. It often sounds somewhat more elevated than other words for 'wieder' (again).
Der Politiker betonte erneut die Wichtigkeit des Projekts.
The politician again emphasized the importance of the project.
again / back
Wieder and erneut can both express that something happens one more time. Wieder is the neutral choice in everyday language, while erneut sounds noticeably more formal. Both words are possible in the same situation; choose wieder for ordinary conversations and erneut mainly for formal texts or statements.

Die Maschine ist nach der Reparatur erneut ausgefallen.
The machine broke down again after the repair.
Die Maschine ist nach der Reparatur wieder ausgefallen.
The machine broke down again after the repair.