是说显示器没有接收到信号 显示器进入睡眠状态 估计主要是显卡问题 建议你重新拔插下显卡 或重装系统
首先检查电脑和显示器之间的连接线是否松动（最好先关闭显示器），如果松动，按牢固。 这个提示是表明，显示器接受不到电脑的信号了，如果连接没有问题，那么最可能出问题的是显卡/其次是主板/其次是显示器。
是台式机吧？1，检查主机电源；2，如果电源没有问题，按开机电源后看有什么报警音。可能是内存或CPU的问题。
显示器的传输线没有收到模拟信号，请你检查一下显示器接口和主机的接口，还有显示器线
检查你的主机和显示器的链接线是否链接好了 也有可能是你主机的内存条有问题，你把你主机机箱打开，把内存条拔下来再插上去试试。。
2) At first, the HP monitor's status box (which briefly comes up once the monitor is turned on) reported "No signal." After fooling around with the numerous suggestions from the Internet, whatever I did enabled the DVI status to change to "Active." 3) I have updated the driver of th...
Create an account on the HP Community to personalize your profile and ask a question Your account also allows you to connect with HP support faster, access a personal dashboard to manage all of your devices in one place, view warranty information, case status and more. Sig...
Create an account on the HP Community to personalize your profile and ask a question Your account also allows you to connect with HP support faster, access a personal dashboard to manage all of your devices in one place, view warranty information, case status and more. Sign ...
Since I upgraded to Adrenalin Edition 23.2.1/2, when the monitor turns off automatically (as set in power saving options), even if I move the mouse or press any key, it doesn't turn back ON again ("no signal" message on the screen). The PC stays on, the fans sp...
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