Cisco 6930 no image in web

[Enptyboss]

There is image in odm, but web is just black screen. Also odm signal is unstable, after 1-2 hours usually it says no signal, but after refreshing it works back

 

[TonyR]

There is image in odm, but web is just black screen.

Try IE (Internet Explorer), or either Edge or Chrome and IE tab, let it install plug-in.
IE is hiding in Windows 10 and 11, let us know if you want to know how to un-hide and use IE.
Or try Pale Moon Browser, 32 bit and let it install plug-in.