Freerunner won't boot: dies in uboot

[Joachim Ott]

2009/6/27 Chris Wright <dhasenan at gmail.com>:
> My Freerunner was acting fine until yesterday. Now, it refuses to boot
> while not connected to a USB charger -- the power button does nothing.
> When connected, it starts booting, but stops and turns off about five
> seconds after showing the splash screen or uboot menu.
>
> This happens when I boot into the NAND or the NOR bootloader. It
> happens if I wait at the menu. If I go to the menu, I can start
> booting the kernel, and I get as far as "Starting kernel..." and the
> screen turning white (depending on how fast I am with the menu) before
> the phone turns itself off.
>
> I can do this many times, so I don't think it's a battery issue (also
> since the bootloader usually detects whether it's connected to power
> and starts charging, so I can just chill at the boot menu for an hour
> and then boot like normal -- that's not happening now). I don't have
> the wall plug, though, so I can't try that.
>
> I've browsed the mailing list archives for something like this and
> haven't found anything. Any suggestions on how to determine what is
> wrong?

Can you check the voltage of the battery? When it's full, it should
have over 4 V. Look at this page for more hinst:
http://wiki.openmoko.org/wiki/Neo_FreeRunner_Battery#More_tricks