I think i overvolted mi pi through the usb port - Raspberry Pi Forums

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so started when accidentally got raspberrypi model a+ instead of b

wanted able use more 1 usb port bought powered usb hub had cool feature had switches let turn on individual usb ports came without dc adapter , when went try , online couldn't find exact 1

bought break out board female usb micro b plug removed dc jack , soldered on dc jack was.

connected powered usb hub 5v 1a wall charger , lit seemed fine, didn't smell burning plastic plugged in pi.

flipped on 3 usb ports, 1 memory stick keyboard , last 1 usb wifi adapter

nothing came on screen
power led lit on pi
touched around , felt cpu getting hot disconnected , panicked
plugged in 20-30 seconds

looked around , thought had soldered had 5v line connected d- (data) thin strand of solder , going pi

im not sure if problem seems it

pi wont make past rainbow screen

i've read polyfuses don't know do
christmas present , feel bad breaking :/
there way of getting back?

appreciated
thank in advance

try fresh sdcard (or format , rebuild existing sdcard). getting rainbow screen means ok, you've trashed sdcard how.


raspberrypi



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