Question Problem when use Asus Monitor PA246 as second display with laptop

Nov 28, 2021
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I use Thinkpad P1 Gen 3 with T2000 video card and an old Asus PA246 monitor as second monitor. The connection is from USB-C to Diplayport.

Everything works fine until I press Power Off button on the PA246 (while the laptop is still running). P246 will turn off, but when I turn it on ( press the power on button) again, it has no display at all and the power indicator light is off.

To get PA246 back to work again, I have to cut off PA246's power (toggle the power button won't work) and disconnect the USBC to diplayport cable. Power on PA246 and reconnect the cable. It will work again.

I tried to use hdmi cable to connecet the two, no problem at all. The connection is stable and I can turn on and off the P246 without any issue.

Any solution will be appreciated.
 

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