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Pi SD card from Mac problems

Former Member

Hi

 

I am new to Raspberry Pi and am having problems producing boot SD cards from my MacBook Pro (Mac OS X Lion 10.7.5).

 

I have tried following the instructions for both the new NOOBS and the old 'dd' type install for raspian images with no success. On boot there is no output to the screen or even valid video signal.

 

The Pi is working with the card from the factory and I have even bought a second pi and used the SD card from that as the target for the dd and the format/copy with no result.

 

Has anyone any thoughts/suggestions??

 

Bob

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  • 0 in reply to Former Member

    Hi. I had this problem also. The issue is that there are TWO device id's that you can find for your sd card. One is the partition, one is the device itself. Usually there's some kind of extra number at the end. You'll want to use the device and not the partition to write this image to the SD card, due to the requirement that it be bootable.

     

    Hope that sorts you out!

     

    ====

     

    Just tried my sd card in my mac laptop, and used your interesting method of diskutil list (which I wish i'd known about when i flashed my sd card!) And it is the same as yours. It is already flashed, so it says disk1 is the sd card, a 58mb partition in fat32 is disk1s1 and the linux partition is disk1s2

     

    So I guess you're doing it correctly. Checksum the disk image and then start eliminating hardware problems, such as trying a different SD, other things like power supply issues, and bad pin contact with the pi.