Checking SD card integrity/Linux: Difference between revisions

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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.

<big>{{warning|text=Copy all of your SD's contents to your PC and then [[Formatting_an_SD_card|format the SD card]] before starting this guide. If you do not, F3 will be unable to test the parts of the SD that still have data in them.}}</big>

== What You Need ==

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== Instructions ==

# 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

~~# Insert your SD card into your computer~~

~~# Mount your SD card~~

# 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]]