求助！戴尔chromebook 7410怎么去除写保护啊？是

断开电池 用外置电源开机 直到刷完bios再接上电池

大佬们，我遇到需要输入密码的，你们遇到过了吗？怎么解决啊
We trust you have received the usual lecture from the local SystemAdministrator. It usually boils down to these three things: #1) Respect the privacy of others. #2) Think before you type. #3) With great power comes great responsibility

解决了吗？

老哥 你的本子多少买的啊？