raspberry pi reboots

[thamaeng]

When I try to switch on the raspberry pi it reboots couple of time and then start. this happens few times. some times it goes until recovery page or sometimes only the colour page and re boots. what seems to be the problem? any ideas please?

thama

[DougieLawson]

http://www.raspberrypi.org/forums/viewt ... 28&t=58151

[RaTTuS]

A, A+ , B, B+
what power supply , monitor, usb leads
what have you plugged in
how long as it been happening
has it ever worked
are the e-ponys telepathic

post links for all
what is the power as measured ?

[thamaeng]

I have B+ model. i'm using 5v power supply, cable and dock. im using standerd computer monitor, hdmi to male to male vga cable. im using 2 usb devices, mouse and keyboard. i have connect ultrasonic sensor and camera with the pi. its been happening for almost 2 weeks. it is still working but after 3 or 4 reboots. some times it comes up at the first time. hope this helps to figure out the problem. thank you

[mikronauts]

Odds are you need a better power supply... make sure you are using a good 2A+ 5V power supply.