H2testw (Windows)


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This page will walk you through the process of checking your SD card for errors using h2testw.

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 Windows users only. If you are not on windows, check out the F3 (linux) or F3X (mac) pages.

What you need

Instructions

  1. Copy h2tsetw.exe from the h2testw .zip to your desktop
  2. Insert your SD card into your computer
  3. Run h2tsetw.exe
  4. Select “English”
  5. Click “Select target”
  6. Select your SD card’s drive letter
  7. Ensure “all available space” is selected
  8. Click “Write + Verify”
  9. Wait until the process is completed

If the test shows the result Test finished without errors, your SD card is good and you can delete all .h2w files on the SD card

If the test shows any other results, your SD card may be corrupted or damaged and you may have to replace it!

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