deth502
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pi killed my sd card?? (solved)

Thu Feb 26, 2015 11:59 pm

back story: as per my other post, i finally got raspbian written to my 8gb sd card.

i got my hdmi cable and hooked it to the tv. it booted up, everything worked.

life is good, right?? well......

so today i also got in my tft touchscreen i bought off ebay. plugs into the gpio pins. plugged it in and turned t on, nothing. it IS NOT plug and play.

so i put the small disc that came with it in the computer. there is a read me file on it that says it contains a special version of raspbian that is set up to work the 3.2" lcd touchscreen, or some such story.

now the problem starts:

i put the sd card into the computer, and tried to write the new os for the screen over it (did not try to format first) i got an error message saying the disc was not big enough.

i went into my computer and looked at the properties. it says my 8gb sd card is 56mb. i tried formatting it in windows, still 56mb. i tried formatting it with panasonic sd formatter, still 56mb.

why is my 8gb sd card now only recognized as 56mb? did i destroy something? if so, what did i do wrong? can i fix this?

asandford
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Re: pi killed my sd card??

Fri Feb 27, 2015 12:21 am

Use this to format the SD card.

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DougieLawson
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Re: pi killed my sd card??

Fri Feb 27, 2015 12:35 am

This is the second most frequently asked question on here.

Use your Linux system (your Raspberry Pi) to look at your card using the df -h command and you'll see all 8GB.

Windows doesn't recognise the Linux formatted partitions so it reports what it can see (one primary FAT partition with the boot code) which is 56MB in size.
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deth502
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Re: pi killed my sd card??

Fri Feb 27, 2015 1:06 am

i did check the sticky titles, and if there was one for this subject, the thread title was not self explanatory enough for me ( a complete beginner to pi) to recognize it. im trying not to be that annoying noob that asks the same shit over and over.

so, this sd card is ONLY this one os from now on, and if i want to change it i need another dedicated sd card? or can the linux formatting be undone? im guessing i cannot rewrite the card while the pi is using it to run its own os, and if windows cant do it.... (and no, i dont have a linux machine to do it with)

and as an aside, before i post it and look like more of an idiot, what is the first most asked question??

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DougieLawson
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Re: pi killed my sd card??

Fri Feb 27, 2015 1:08 am

The Linux formatting can be undone with the SD Association formatting tool, with your camera or with a tablet. If you have an SDCard image you'll need Win32DiskImager to write it to your card.

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asandford
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Re: pi killed my sd card??

Fri Feb 27, 2015 1:18 am

If the supplied CD has a custom OS to run it, then there is a very high probability that any update will break it (been there, done that).

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DougieLawson
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Re: pi killed my sd card??

Fri Feb 27, 2015 1:30 am

asandford wrote:If the supplied CD has a custom OS to run it, then there is a very high probability that any update will break it (been there, done that).
With the next RPF update all of Notro's stuff for TFT displays will be included in the stock kernel. That should reduce the risk of updates breaking it.
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Criticising any questions is banned on this forum.

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deth502
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Re: pi killed my sd card??

Fri Feb 27, 2015 11:00 pm

i swear i replied to this post last night saying that the camera trick worked. maybe i forgot to hit submit? anyway, YES!!! the camera trick worked. thanks for the tip!!

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