Can't Debrick

I have a new GL-MT300N-V2 and am trying to tether to an ATT Mobley.Initially the moden transmitted a WIFI signal but now it does not. I tryed to Debrick using Uboot and got as far as telling it to upgrade. Now my computer can not find anything at

I’ve tried several times to reset. The red wifi led blinks 4 times then the center led comes on. But still nothing at What now?

What happened to my text? Why all the html stuff?

I fixed your text.

So you are using uboot web failsafe as to this guide? Overview - GL.iNet Docs

One key attention: be sure only connect one cable to the Ethernet port.