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title: "H2testw (Windows)"
---

{% include toc title="Table of Contents" %}

### Required Reading

This is an add-on section for checking your SD card for errors using h2testw.

根据你的SD卡大小和电脑的速度,该操作可能会花费数小时!

本节教程仅限Windows用户。 如果你的操作系统不是Windows,请参见[F3X(mac)](f3x-(mac))或[F3(Linux)](f3-(linux))页面。

### What You Need

* 最新版本的[h2testw](http://www.heise.de/ct/Redaktion/bo/downloads/h2testw_1.4.zip)

### 操作步骤

1. 解压缩`h2testw`压缩包,复制`h2testw.exe`文件到桌面
1. 将SD卡插入电脑
1. Run `h2testw.exe`
1. 选择“English”
1. 点击“Select target”(选择目标)
1. 选择SD卡对应的盘符
1. 确保“all available space”(所有可用空间)已勾选
1. 点击“Write + Verify”(写入并验证)
1. 等待测试完成

___

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
{: .notice--success}

如果不是,那么你的SD卡可能已损坏,请考虑换一个SD卡!
{: .notice--danger}

### Return to [Get Started](get-started)
{: .notice--primary}