Checking SD card integrity/Linux: Difference between revisions

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Depending on the size of your SD card and the speed of your computer, this process can take up to several hours!

This page is for Linux users only. If you are not on ~~Windows~~, check out the [[Checking SD card integrity/Windows|Windows]] or [[Checking SD card integrity/Mac|Mac]] pages.

This page is for Linux users only. If you are not on Linux, check out the [[Checking SD card integrity/Windows|Windows]] or [[Checking SD card integrity/Mac|Mac]] pages.

== What You Need ==

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== Instructions ==

~~# Unzip the f3 <code>.zip</code>~~

~~# <code>cd</code> into the f3 directory~~

~~# Run <code>make</code> to compile F3~~

# Insert your SD card into your computer

# Mount your SD card

# Create a new folder on your desktop, which will be referred to as the backup folder from now on

# Copy everything from your SD card to the backup folder

# [[Formatting_an_SD_card/Linux|Format the SD card]]

# Extract the F3 <code>.zip</code> file

# Open a terminal window and <code>cd</code> into the F3 directory

# Run <code>make</code> to compile F3

# Run <code>./f3write <your SD card mount point></code>

# Wait until the process is complete. See below for an example output.

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Average Reading speed: 9.42 MB/s

{{success|text=If the test shows the result <code>Data LOST: 0.00 Byte (0 sectors)</code>, your SD card is likely good. You can delete all <code>.h2w</code> files on your SD card.}}

{{success|text=If the test shows the result <code>Data LOST: 0.00 Byte (0 sectors)</code>, your SD card is likely good. You can delete all <code>.h2w</code> files on your SD card and then copy the contents of the backup folder back to it.}}

{{critical|text=If the test shows any other results, your SD card is failing. You will have to replace it!}}

[[Category:General guides]]