OLED Only Works Sometimes

[dLIONb]

When powering up the goggles (3 cell battery) normally, the OLED screen usually will not turn on. I have tested this using both the 5V and 3.3V pins. The only reliable way I have found to make the OLED turn on either by connecting the programing cable with the battery unplugged (not really useful) or by quickly pulsing the power to the goggles before fully powering (i.e. providing power for a fraction of a second and the re-applying normal power.