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+、- 和左控制键不起作用

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+、- 和左控制键不起作用

+ - 和左控制键已停止工作。我使用 Ubuntu 22.04.4 LTS，64 位。键盘布局为美国。Stiky 键未激活。

xev 给出 - 键

FocusOut event, serial 37, synthetic NO, window 0x2e00001,
    mode NotifyGrab, detail NotifyAncestor

FocusOut event, serial 37, synthetic NO, window 0x2e00001,
    mode NotifyUngrab, detail NotifyPointer

FocusIn event, serial 37, synthetic NO, window 0x2e00001,
    mode NotifyUngrab, detail NotifyAncestor

KeymapNotify event, serial 37, synthetic NO, window 0x0,
    keys:  4294967248 0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   
           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0

和 + 键

FocusOut event, serial 37, synthetic NO, window 0x2e00001,
    mode NotifyGrab, detail NotifyAncestor

FocusOut event, serial 37, synthetic NO, window 0x2e00001,
    mode NotifyUngrab, detail NotifyPointer

FocusIn event, serial 37, synthetic NO, window 0x2e00001,
    mode NotifyUngrab, detail NotifyAncestor

KeymapNotify event, serial 37, synthetic NO, window 0x0,
    keys:  4294967248 0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   
           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0

有人知道我该如何解决这个尴尬的情况吗？两天前就完美了。

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