2 sentences

1. 系统已经还原到了初始设置。

   xì​tǒng yǐ​jīng huán​yuán dào le chū​shǐ shè​zhì.

   The system has been restored to its initial settings.

   Source: Dong Chinese Dictionary

2. 系统已经恢复到了初始状态。

   xì​tǒng yǐ​jīng huī​fù dào le chū​shǐ zhuàng​tài.

   The system has been restored to its initial state.

   Source: Dong Chinese Dictionary