EX90 display not working

My Ex90 screen is just black.

I can see the backlight is turned on and there is no error.

31 Mai 13:11: 09 (none) principal: 63.86 VIDEOLC_doReadyPowerManagementCnf i: VIDEOLC-0 power save 'off' for LCD 2

31 Mai 13:11: 09 (none) principal: 63.86 VIDEOLC-0 i: VLC_DisplayBacklightControl: backlight on

31 Mai 13:11: 09 (none) principal: 63.86 VIDEOLC-0 i: VIDEOLC_doReadyPowerManagementCnf does, no error

How can I test the exact location of the display.

Newspapers are attached.

Hello

It could be that the inverter Board is broken. We have a DDT opened for this.

CSCuc95415 - material: EX-Series LCD screen remains black all the time

If the inverter Board has went wrong, you still should see a small image if/when you turn on the screen with a slight flare or flash to your smartphone. See the clip of the sample included below.

If you can confirm that this is what 'see you' then an RMA number must be done.

Tags: Cisco Support

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