Hmm, that's odd - I've definitely had it working without a computer connected for http://www.espruino.com/Espruino+Home+Computer.
Which pins are you using for VGA? The same ones described here? http://www.espruino.com/Television
Have you used setDeepSleep(1)? If you had, that could easily cause you problems.
setDeepSleep(1)
Otherwise, how are you powering the Pico?
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Hmm, that's odd - I've definitely had it working without a computer connected for http://www.espruino.com/Espruino+Home+Computer.
Which pins are you using for VGA? The same ones described here? http://www.espruino.com/Television
Have you used
setDeepSleep(1)
? If you had, that could easily cause you problems.Otherwise, how are you powering the Pico?