2017-05-21 22:39:40 +02:00
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---
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2017-05-23 20:02:51 +02:00
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title: "H2testw (Windows)"
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2017-05-21 22:39:40 +02:00
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---
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This is an add-on section for checking your SD card for errors using h2testw.
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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!
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This page is for Windows users only. If you are not on windows, check out the [F3 (linux)](f3-(linux)) or [F3X (mac)](f3x-(mac)) pages.
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#### What you need
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* The latest version of [h2testw](http://www.heise.de/ct/Redaktion/bo/downloads/h2testw_1.4.zip)
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#### Instructions
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1. Copy `h2testw.exe` from the h2testw `.zip` to your desktop
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1. Insert your SD card into your computer
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1. Run `h2tsetw.exe`
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1. Select "English"
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1. Click "Select target"
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1. Select your SD card's drive letter
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1. Ensure "all available space" is selected
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1. Click "Write + Verify"
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1. Wait until the process is completed
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___
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If the test shows the result `Test finished without errors`, your SD card is good and you can delete all `.h2w` files on your SD card
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{: .notice--success}
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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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{: .notice--danger}
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Return to [Get Started](get-started)
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{: .notice--primary}
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