You can change the logical view background (logical/physical bar > mountain with sun icon or SHIFT + I) but it will affect the ability to see the links. Maybe try a grey scale background for the logical view. Honestly, most of your time should be spe...
Options > preferences > font > colors > change the "Router IOS Text" and "Router IOS Background" colors. For logical, you will have to set a background.
Info for factory reset.If you have a copy of the config try below steps: ESS 2020 Factory Reset and Password RecoveryUnplug and plug the power cord from the switch.Wait for the flash initializing message to appear as shown:...done Initializing Flash....