The projector will usually detect this automatically. Press on the projector and select the connection port that you're using. If the new one works, you know the previous cable was faulty. Or, try changing the cable connecting the external monitor. For models that include a battery, please turn the device on with the power cable connected.Ĭheck the connecting cable from the projector to Notebook is secured. Connected docks, dongles, adapters and other hardware can cause conflicts.īe sure the projector normally turns on. If the problem persists after BIOS and Windows Update both have been updated to date, please continue the next troubleshooting step.ĭisconnect all accessories from your PC. How to use EZ Flash to update the Notebook BIOS versionįor executing Windows update and drivers update, here you can learn more about How to execute Windows Update. How to use Winflash to update the BIOS version in Windows system Updating software usually helps the system stability and optimization, so we recommend you check and often update to the latest version in your laptop. Update and confirm BIOS / Windows packages / drivers with the latest version in your laptop.Please follow the below steps for troubleshooting:
Perhaps one of those settings also disables screen sharing over HDMI? I've looked through them and tried changing back quite a few, but nothing is helping so far.Troubleshooting - Connection failure of Notebook and Projector Thus, I wonder, are there any settings in the operating system that would disable the HDMI output? A few weeks ago, I changed a number of settings in Settings -> Privacy to disable unnecessary reporting to Microsoft and to disable unnecessary sharing of system resources with apps. Those options disappear when the cable is unplugged.
Also, only when the HDMI cable is plugged in, I have additional options on the Display settings page, about what to do with the second display, such as mirror the primary display. When the cable is unplugged, that disappears. When I enter Settings on my laptop (Start -> Settings -> System -> Display) while the HDMI cable is connected, I get a blue rectangle on the Display settings page that has a "1/2" displayed on it. We tried uninstalling and reinstalling my video driver. We tried rebooting both laptop and projector in various orders.
I tried my laptop again, and it still didn't work. I tried a colleague's laptop, and the projector worked fine with that other laptop. Now, almost two years later, when I tried to do that again, the projector showed only an empty blue screen. When I taught at school before coronavirus, I used to plug an HDMI cable into my laptop, and the machine in the classroom would share my laptop's screen image through the projector.
0 kommentar(er)
