Я использовал второй монитор некоторое время теперь, и пока я не подключил его к нашему ТВ через порт VGA, все подходило.
Затем вчера утром, после того, как я отключил кабель VGA от ТВ и сцепил его назад на втором мониторе, я был удивлен видеть, что разрешение было установлено на просто 1024x768, а не 1680X1050 это должно быть.
Следование инструкциям, которые я нашел в Разрешении экрана упорно продолженный 1024x768, мне удалось добавить новое разрешение 1366x768 однако, главные значки являются половиной от экрана, и другие значки на втором мониторе все еще огромны. другая проблема в том разрешении состоит в том, что существует приблизительно четверть экрана, не видимого между двумя мониторами.
Я пытался добавить 1680X1050 с xrandx
но это сказало мне xrandr: cannot find mode "1680x1050"
Если у кого-либо есть совет или предложения о том, как уладить это, я был бы самым благодарным.
Заранее спасибо.
ОБНОВЛЕНИЕ
После перезагрузки разрешения были сброшены к Зеркальному Дисплею с набором монитора ViewSonic к 1024x768 (4:3) или 800x600 (4:3)
could not assign CRTCs to outputs: Trying modes for CRTC 63 CRTC 63: trying mode 1366x768@60Hz with output at 1366x768@60Hz (pass 0) none of the selected modes were compatible with the possible modes: Trying modes for CRTC 63 CRTC 63: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1) Trying modes for CRTC 64 CRTC 64: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 1360x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 1360x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 1366x768@60Hz with output at 1366x768@60Hz (pass 1) none of the selected modes were compatible with the possible modes: Trying modes for CRTC 63 CRTC 63: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1) Trying modes for CRTC 64 CRTC 64: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 1360x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 1360x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1) Trying modes for CRTC 64 CRTC 64: trying mode 1366x768@60Hz with output at 1366x768@60Hz (pass 0) none of the selected modes were compatible with the possible modes: Trying modes for CRTC 63 CRTC 63: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1) Trying modes for CRTC 64 CRTC 64: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 1360x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 1360x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 1366x768@60Hz with output at 1366x768@60Hz (pass 1) none of the selected modes were compatible with the possible modes: Trying modes for CRTC 63 CRTC 63: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 63: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 1) CRTC 63: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1) Trying modes for CRTC 64 CRTC 64: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0) CRTC 64: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 848x480@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 1360x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 1360x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 1024x768@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 800x600@60Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 800x600@56Hz with output at 1366x768@60Hz (pass 1) CRTC 64: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1)
Как раз к черту.
Кабель VGA передает аналоговый сигнал, и максимальная длина уменьшается с увеличением разрешения. Таким образом, 1024x768 может эффективно работать по 9-метровому кабелю, но 1600x1200 при 60 Гц не будет хорошо работать после 1 метра.
Вы можете использовать ретрансляторы (что невозможно) или использовать вместо них DVI. Поскольку он цифровой, он может передавать сигнал дольше, даже при высоком разрешении, до 9 метров.
Это был кабель монитора.
Новый 5-метровый кабель монитора вышел из строя!
Когда я вернулся к 2-метровому кабелю, он работал хорошо.
В том же духе, что и решение, предоставленное @simplysimon и объясненное @mitch, я столкнулся с похожей проблемой с похожим причудливым решением.
В течение некоторого времени я использовал Viewsonic VA1918wm в качестве дополнительного монитора, подключенного через порт VGA, наряду с основным монитором, использующим порт HDMI, и который имеет оптимальное разрешение 1440x900. Установленная ОС - Ubuntu 14.04.1. Пару дней назад при перезагрузке разрешение монитора упало, а опция All Settings > Displays
для дополнительного монитора показала только два более низких разрешения в качестве опции - 1024x768 (4: 3) и 800x600 (4: 3) - в раскрывающемся списке Resolution
, Чтобы решить эту проблему, я попробовал решение , предложенное для аналогичной проблемы, используя флажок Mirror displays
в настройках Displays
, но безрезультатно.
Прочитав пост @mitch выше, я попробовал аппаратный прием
и вуаля! Монитор Viewsonic вернулся к своему оптимальному разрешению, и Resolution
в настройках Displays
показал больший список опций, включая 1440x900 (16:10)