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RBR750 Boot Loop - White Light Flashes Then Goes Dark, TFTP Recovery Failing
RBR750 Boot Loop - White Light Flashes Then Goes Dark, TFTP Recovery Failing
Device: Orbi RBR750 (Serial: 6661037RA0169, Firmware was V7.x, Purchased April 2020)
Problem: Router powers on, white light flashes for about 1 minute then all lights go off completely. Unit is in a permanent boot loop and cannot complete startup.
What I've tried:
- Factory reset (holding reset button during white flash window)
- TFTP firmware recovery via ethernet from Mac Studio — file RBR750-V7.2.8.5.chk — unit responds to ping at 192.168.1.3 but TFTP times out with "didn't receive answer from remote"
- Accessed 192.168.1.1 but it routes to upstream Netgear router not Orbi
- Tried orbilogin.com, orbilogin.local, 10.168.168.1, 192.168.1.3 — none load admin page
- Mac internet sharing enabled (WiFi to Ethernet) to provide internet source to Orbi during recovery attempt
Current setup during recovery attempt:
- Mac Studio ethernet → Orbi yellow WAN port
- Mac on WiFi via backup Netgear R7000
- Mac ethernet set to static IP 192.168.1.2
- Orbi responds to ping consistently but web interface unreachable
Question: Is there a specific TFTP timing window or alternate recovery method for RBR750 that could help? Any known firmware corruption fix for this boot loop pattern?
2 Replies
The router LED going "off" is normal. (from page 9 of the user manual):
The Power LED going OFF is not normal. If it is not GREEN, then something is definitely wrong.
Yes, there is definitely a "window" when the router waits for a TFTP connection. I was very frustrated once to have five attempts FAIL and was ready to take a hammer to the router, but thought "why not try ONE more time?" and...... it worked!
Try a 30-30-30 reset on the RBR. IF this fails, unit maybe bad.
