How to reanimate dir-615?

Question

network hardware

There is a dir-615 E4 (If I'm not mistaken) with dd-wrt firmware, it cut off during power surges and disappeared from the networks. Now he stands like a vegetable and flashes either with all green indicators or orange. What to do with it - I have no idea. Tell me how to bring it back to life? You can not send links to Google.
Not a single port is active, respectively, and it does not distribute waffles.
For the "pros" he was a repeater.
I will not tell the firmware version, I DO NOT REMEMBER.

Answer 1

Try:
wiki.openwrt.org/toh/d-link/dir-615

Firmware recovery
Revisions D1 to D4, H1 as well as I1 are pretty much unbrickable as they have a built-in firmware recovery mode. Revision D5 does not have built in recovery.
To access, simply hold down the reset button while powering on the router. The power LED should blink orange. Set your computer with a static IP in the 192.168.0.x range, and open 192.168.0.1 in a web browser. Recovery mode loads up within a few seconds, but doesn't respond to pings. If the power LED is blinking orange the above page should be accessible.
You will need to flash either a stock firmware image or Openwrt-factory image, *not* a sysupgrade image.

The next option is to solder to the console.