Troubleshooting
FPV drone won’t arm
If your FPV drone does not arm, this usually does not mean the drone is defective. Betaflight includes safety checks that intentionally prevent arming when something is not configured correctly or when the drone is not in a safe state. Always remove
Cannot connect to Betaflight
If your flight controller does not connect to Betaflight, the issue is usually related to:. This is one of the most common FPV setup problems. Always remove all propellers before troubleshooting. The most common cause is a charge-only USB cable. Many
Bad signal range with my DJI Video System
If your DJI video system experiences weak signal, low range, video lag, bitrate drops, or complete signal loss, the issue is usually related to:. This guide applies to:. Signal range and penetration can vary heavily depending on environment, antenna
iFlight Commando 8 ELRS Module Reset
Have you flashed the Commando8 ELRS module incorrectly, incompletely, or even installed the wrong firmware? In this case, an endless 'Loading...' will be displayed when opening the ELRS Lua script file. Please follow the instructions to restore the E
iFlight Commando8 SD-Card Files
Restoring Factory SD-Card Files for iFlight Commando8 V2. If you own a Commando8 V2 ELRS radio controller and need to restore the SD-Card files due to corruption, loss, or simply to reset to factory settings, you can easily do so. Use the following l
VTX Configuration on the BORG Stacks (Nazgul F5 V3 / F7)
The BORG F7 Mini FC has an integrated 12V BEC which provides stable power for your VTX system. It also allows remote control to switch it on and off. When this settings is configured incorrectly, the VTX will not receive power. By default, all our BN
Drone flips on takeoff
If your FPV drone immediately flips, rolls over, or crashes when trying to take off, this is usually caused by an incorrect configuration or hardware setup. Do not continue attempting takeoff until the issue has been identified, as repeated crashes m
No receiver input in Betaflight
If your drone is powered on and connected to your radio, but no stick movement appears in the Betaflight Receiver tab, the issue is usually related to receiver protocol, UART configuration, firmware compatibility, frequency mismatch, or wiring. This
ELRS receiver won’t bind
If your ExpressLRS receiver does not bind to your radio, the issue is usually caused by a mismatch between frequency, region, firmware version, binding phrase, firmware target, or receiver type. ExpressLRS is also called ELRS. Both terms refer to the
DJI video works but no control
If your DJI video feed works but the drone does not react to your radio, the video link is working, but the receiver control link is not correctly configured or not active. This can happen with DJI O3, DJI O4, DJI O4 Pro, DJI Goggles 2, Goggles 3, Go
Flight Controller not detected / no COM port
If your flight controller does not appear in Betaflight, no COM port is shown, or Betaflight cannot connect to your drone, the issue is usually related to the USB cable, drivers, DFU mode, firmware, or USB connection. This is one of the most common F
Motors keep spinning fast after lowering throttle
If your FPV drone motors continue spinning quickly after lowering the throttle, especially while testing without propellers installed, this is often normal Betaflight behavior and does not automatically mean the drone is defective. This is very commo
DJI O4 / O4 Pro Air Unit Vibration Problem Fix
In this article, we explain why vibrations, shaking, or so-called “jello” can appear in the video feed of the DJI O4 / O4 Pro Air Unit and how you can fix this issue. On some setups, slight vibrations, shaking, or jello can be visible in the image of