The screen is frozen
屏幕锁定
A: Can you help me? The program is not responding and I don't know what to do.
A:你可以帮我一下吗？这个程序没有反应，我不知道怎么做。
B: Look at the icon in the bottom corner of your screen. Is it flashing?
B:看看你屏幕下角的图标。闪吗？
A: No. It isn't.
A:不闪了。
B: OK. Try closing down all the files you're not using at the moment.
B:哦。把你现在不用的文件全部关掉。
A: But I can't move the cursor at all. My screen is frozen. What should I do?
A:但是我根本不能移动鼠标。屏幕冻结了。我该怎么做？
B: Have you tried pressing the Escape key?
B:你按退出键了吗？
A: Yes, but nothing's happened.
A:是,但是没有一点反应。
B: OK, you’ll need to reboot your machine. Press Control, Alt and Delete at the same time.
B:哦，你需要重启一下你的机器同时按Control,Alt和Delete键。
A: I've never done that before. Will I lose all my files?
A:我以前从来没有这样做过。我所有的文件会丢失吗？
B:You might lose the file you were working on, but don't worry, the help desk can restore it. When did you last take a backup?
B:你正在编辑的文件可能会丢失，但是别担心，帮助桌面可以帮你修复。你最后一次备份是什么时候？