If upgrading your monitor is out of your budget, you can learn how to build your own monitor if that path interests you. If you find yourself in the situation of needing to upgrade your monitor, check out some quality models with new advanced features, like the best monitors for eye strain. A faulty or out-of-date graphics card driver can cause a no-signal message to appear on a connected external monitor. Update Your Graphics Card DriversĪlternatively, you may need to update your graphics card driver. Never remove the cover of a PC while the device is powered on. A bad video card or incompatible video card driver may cause a display device to show an error message, even if you have the best ultra wide gaming monitor on the market. Connect the video source directly to the projector. Make sure you disconnect all cables and confirm that the device is powered off before removing an internal graphics card. If you are projecting from an HDMI source, replace the HDMI cable with a shorter one. Select External Inputs HDMI signal format, select the appropriate. The following steps vary, depending on your TV menu options: Select Watching TV External Inputs HDMI signal format, select the appropriate connection HDMI 1 - 4, and then select a different format. If you’re using an interchangeable graphics card, make sure the graphics card is firmly inserted in its slot. On the remote control, press the HOME button.
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