Symptoms: Will not load system menu. Maintenance mode fails.

症状：无法加载系统菜单。维护模式失败。

youdao

Select "Logout" under "File" in the system menu to exit your account.

选择系统功能表“档案”下的“登出”，用户便可登出自己登出“的户口。”

youdao

Complete your work and when you are finished, close your session (find the logout choice under the System menu).

完成工作之后，关闭会话(使用System菜单中的logout菜单项)。

youdao

The remaining top 20 percent of the screen is reserved for access to the system menu.

CNN: Review: Kindle Paperwhite is king of the e-readers

Wii U owners can find a tweaked version of the system menu hidden away in the system's backwards compatibility mode, featuring just enough updated code to block existing exploits.

ENGADGET: Wii Homebrew channel sneaks onto Wii U, sticks with what it knows

The menu system is in the form of toolbars which whizz across the screen once you have selected one.

BBC: NEWS | Programmes | Click | Webscape