TAL15
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Trouble with SD cards...

Sun Aug 06, 2017 5:12 am

So, I am new to raspberry Pi and do not have wireless internet. I am still using dial-up. I'm trying to open the SD card which Raspbian is burned on with my Windows 8 Laptop but the computer does not recognize it. I'm using etcher to burn the image onto it. But after the image is burned I cannot see the SD card under devices and drives and it is not recognized by my computer. It doesn't even have a letter assigned to it. Please help me.

NotRequired
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Re: Trouble with SD cards...

Sun Aug 06, 2017 10:47 am

The SD card with raspbian uses a file system which cannot be accessed under Windows. You need to access the SD card from a Linux based system instead.
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rpdom
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Re: Trouble with SD cards...

Sun Aug 06, 2017 11:29 am

NotRequired wrote:
Sun Aug 06, 2017 10:47 am
The SD card with raspbian uses a file system which cannot be accessed under Windows. You need to access the SD card from a Linux based system instead.
You should still be able to see the first FAT partition, even under Windows.

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davidcoton
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Re: Trouble with SD cards...

Sun Aug 06, 2017 11:42 am

I'm guessing a bit ... you may need to eject the card (safely) and re-insert it so that Windows recognises the new file system -- it will only recogmnise /boot, not/root unless you install extra Windows software to read the ext4 partition.
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TAL15
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Re: Trouble with SD cards...

Sun Aug 06, 2017 6:43 pm

I cannot access the SD card on Debian. No Linux. Windows, or BSD recognizes my SD card

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rpiMike
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Re: Trouble with SD cards...

Sun Aug 06, 2017 6:56 pm

What brand and model of SD card are you using ? Did you buy it from a reputable supplier ? Are you using a USB card adapter when flashing your SD card ?

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DougieLawson
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Re: Trouble with SD cards...

Sun Aug 06, 2017 8:18 pm

TAL15 wrote:
Sun Aug 06, 2017 6:43 pm
I cannot access the SD card on Debian. No Linux. Windows, or BSD recognizes my SD card
Run h2testw (on Windows) or f3 (on Linux/BSD) on your SDcard. Test it's not a fake.
http://www.heise.de/download/h2testw.html
http://oss.digirati.com.br/f3/
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gkaiseril
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Re: Trouble with SD cards...

Sun Aug 06, 2017 8:24 pm

If the card has Raspberian and not Noobs then Windows will not see a valid card because there is not FAT32 partition only Extent Unix partitions. There are Windows programs that can read the card but you will have to install one on your system. Macs can read the card.
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davidcoton
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Re: Trouble with SD cards...

Sun Aug 06, 2017 8:36 pm

gkaiseril wrote:
Sun Aug 06, 2017 8:24 pm
If the card has Raspberian and not Noobs then Windows will not see a valid card because there is not FAT32 partition only Extent Unix partition
Not true. Raspbian (I assume you mean that, there is no Raspberian AFAIK) uses a FAT32 partition for /boot, which is visible on Windows.
It is true that standard Windows does not recognise ext4 partitions.
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hommar
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Re: Trouble with SD cards...

Sun Aug 06, 2017 8:50 pm

First need unzip image
Second need write image, not burn. For Windows better use Win32DiskImager

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rpdom
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Re: Trouble with SD cards...

Sun Aug 06, 2017 8:55 pm

hommar wrote:
Sun Aug 06, 2017 8:50 pm
First need unzip image
Second need write image, not burn. For Windows better use Win32DiskImager
Etcher is better than Win32DiskImager. It will unzip and write the image file.

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Imperf3kt
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Re: Trouble with SD cards...

Sun Aug 06, 2017 10:05 pm

rpdom wrote:
Sun Aug 06, 2017 8:55 pm
hommar wrote:
Sun Aug 06, 2017 8:50 pm
First need unzip image
Second need write image, not burn. For Windows better use Win32DiskImager
Etcher is better than Win32DiskImager. It will unzip and write the image file.
At the expense of using more resources and being a FAR larger program.

Its just preference IMO. Both work fine, but on my cheap netbook with only 28GB of space, I'll take the few hundred kilobyte app over an app several thousand times its size
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Heater
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Re: Trouble with SD cards...

Sun Aug 06, 2017 11:20 pm

You can read and write the roof files system on an SD card from Windows if you install Paragon ExtFS https://www.paragon-software.com/home/extfs-windows/

It has free trial period after which it is still usable but speed limited. It's cheap enough anyway, might as well buy it.

Disclaimer: I'm not related to Paragon in anyway. Just happened to find this software a while ago and it's been working fine for me on my Win10 Surface Pro.

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rpdom
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Re: Trouble with SD cards...

Mon Aug 07, 2017 5:44 am

Imperf3kt wrote:
Sun Aug 06, 2017 10:05 pm
rpdom wrote:
Sun Aug 06, 2017 8:55 pm
Etcher is better than Win32DiskImager. It will unzip and write the image file.
At the expense of using more resources and being a FAR larger program.

Its just preference IMO. Both work fine, but on my cheap netbook with only 28GB of space, I'll take the few hundred kilobyte app over an app several thousand times its size
I have no idea about the bloatedness of any particular Windows programs. I'm just aware that Win32DiskImagerWhyDoesTheNameNeedToBeSoLong? might have problems with the current Raspbian image file.

I stick to Linux, preferably command line and use unzip and dd, neither of which are particularly large.

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RaTTuS
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Re: Trouble with SD cards...

Mon Aug 07, 2017 8:12 am

you may only have a SD card adaptor in your machine which is limited to 2GB - make sure it is SDHC - you can get a usb to sdhc card adapter for <£1
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BlackKnight_UK
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Re: Trouble with SD cards...

Mon Aug 07, 2017 10:37 am

I'd definitely try a different SD card adapter, especially if its one that converts microSD to SD. I have several that stopped working after a few uses.

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