black screen cannot reboot

Have tried rebooting IPad, and also backing up on computer screen is black but slightly flashes when trying to reboot.

No Apple Logo or battery light appears.

Cannot back up because passcode cannot be entered, should I try to restore factory settings but do not now how

この質問に回答する 同じ問題があります

この質問は役に立ちましたか?

スコア 0
コメントを追加