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这期间转接器一直插电脑 TypeC 口,无论外接屏幕开关,无论主机 Sleep 与否,一直用 MagSafe 口充电 没用到他的充电口。
无法唤醒表现为:主机已经正确识别外接显示器型号、分辨率,Mirror 模式下内屏分辨率已经同步调整了。但是显示器端还提示"No Signal from DP",即使点了 detect 重新刷新也识别不到信号。
无法唤醒同样发生于通过 TypeC 口连接 iPad ,每次 iPad 熄屏重连时,都需要重新开关显示器才能正常显示。
搜了下现有产品,似乎只找到了绿联做 USB 转 DP 还带 USB3 的 A+C 接口比较友好,看了一些 Thunderbolt 的扩展坞 要外接电源 待机功耗也不低,有什么好产品大家也推荐推荐。。。
接 Apple TypeC 转 HDMI 转接器正常,问了 AI 也没结论,以下为截取日志结尾部分。
Mac 接绿联 CM818 连接 DELL 显示器
% log show --last 1m | grep -i display
...<skip repetition>...
2026-04-16 13:28:55.842059+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:DisplayState] IOMFBDisplay::update_power_state display_id=1 current_power_state=0 target_power_state=1 new_target_power_state=1 sync=0 raw_power_state=1 power_assertions=0
2026-04-16 13:28:55.842060+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:DisplayState] IOMFBDisplay::set_enabled_ display_id=1, current_state=on
2026-04-16 13:28:55.842772+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:Brightness] Display 1 swap brightness: nan, limit: 337.678, indicator brightness: nan, ambient lux: nan, low ambient strength: nan, high ambient strength: nan, contrast enhancer: nan
2026-04-16 13:28:55.854205+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:Brightness] Display 1 commitBrightness sdr: 2.05082, headroom: 1, potential headroom: 2, ambient lux: 24.0882, filtered ambient: 24.0882, brightness limit: 337.328, indicator brightness: -1 low ambient strength: -1, high ambient strength: -1, contrast enhancer: -1 brightness ctl disabled -1, unlogged brightness transactions:0
2026-04-16 13:28:55.858156+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:DisplayState] IOMFBDisplay::update_power_state display_id=1 current_power_state=0 target_power_state=1 new_target_power_state=1 sync=0 raw_power_state=1 power_assertions=0
2026-04-16 13:28:55.858157+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:DisplayState] IOMFBDisplay::set_enabled_ display_id=1, current_state=on
2026-04-16 13:28:55.858763+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:Brightness] Display 1 swap brightness: nan, limit: 337.328, indicator brightness: nan, ambient lux: nan, low ambient strength: nan, high ambient strength: nan, contrast enhancer: nan
2026-04-16 13:28:55.870854+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:Brightness] Display 1 commitBrightness sdr: 2.05082, headroom: 1, potential headroom: 2, ambient lux: 24.0882, filtered ambient: 24.0882, brightness limit: 336.979, indicator brightness: -1 low ambient strength: -1, high ambient strength: -1, contrast enhancer: -1 brightness ctl disabled -1, unlogged brightness transactions:0
2026-04-16 13:28:55.879622+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:DisplayState] IOMFBDisplay::update_power_state display_id=1 current_power_state=0 target_power_state=1 new_target_power_state=1 sync=0 raw_power_state=1 power_assertions=0
2026-04-16 13:28:55.879624+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:DisplayState] IOMFBDisplay::set_enabled_ display_id=1, current_state=on
2026-04-16 13:28:55.880341+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:Brightness] Display 1 swap brightness: nan, limit: 336.979, indicator brightness: nan, ambient lux: nan, low ambient strength: nan, high ambient strength: nan, contrast enhancer: nan
2026-04-16 13:28:55.887535+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:Brightness] Display 1 commitBrightness sdr: 2.05082, headroom: 1, potential headroom: 2, ambient lux: 24.0882, filtered ambient: 24.0882, brightness limit: 336.629, indicator brightness: -1 low ambient strength: -1, high ambient strength: -1, contrast enhancer: -1 brightness ctl disabled -1, unlogged brightness transactions:0
2026-04-16 13:28:55.895837+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:DisplayState] IOMFBDisplay::update_power_state display_id=1 current_power_state=0 target_power_state=1 new_target_power_state=1 sync=0 raw_power_state=1 power_assertions=0
2026-04-16 13:28:55.895839+0800 0xdb9 Default 0x0 379 0 WindowServer: (QuartzCore) [com.apple.coreanimation:DisplayState] IOMFBDisplay::set_enabled_ display_id=1, current_state=on
( log 有些密集 不知道是否正常)
Mac 接 apple TypeC-to-HDMI 连接某 LG 显示器
% log show --last 1m | grep -i display
...<skip repetition>...
2026-04-16 12:54:45.056043+0800 0xde020 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:45.723089+0800 0xde020 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:45.942056+0800 0xde020 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:46.133062+0800 0xde020 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:46.233027+0800 0xde020 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:46.337951+0800 0xde020 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:46.443936+0800 0xde020 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:46.563796+0800 0xde020 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:46.788039+0800 0xde020 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:46.927973+0800 0xde020 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:47.181995+0800 0xde1f2 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:47.269834+0800 0xde1f2 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:47.365845+0800 0xde1f2 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:47.498018+0800 0xde1f2 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:47.877299+0800 0xde1f2 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
2026-04-16 12:54:47.977957+0800 0xde1f2 Default 0x0 322 8 powerd: [com.apple.powerd:displayState] DesktopMode check on Battery 0
第 1 条附言 · 5 月 29 日
更新,距离转换器换新已经 1 个半月了,始终在电脑上插着,没弯没压,又开始出现无法点亮外接显示屏问题了。。。
目前,显示器要频繁开关,频繁插拔电缆,才能偶尔点亮。
同样是系统已经识别出正确分辨率了,但是显示器一片漆黑 提示无信号。。
转接盒发热尚稳定 不烫手 偶尔摸起来是凉的,目前外观很新 感觉再申请售后有些浪费,也找不到更合适的备品型号,用着也闹心,每次点亮都要好几分钟,好不容易点亮一次,都不敢轻易熄屏。。
在黑屏时,我尝试调整分辨率:
调到 2048x1080 时 外接屏幕意外的亮了起来,再往上 2048x1152 2560x1440 都是黑的,会不会是线坏了,带宽不足。
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