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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: Troubleshooting - Connection failure of Notebook and Projector