How to Test Your SD Card?如何测试你的SD卡？

本文信息整理自互联网。多数情况下，摄像机的录像稳定性受 SD 卡质量影响。本文旨在帮助用户检查 SD 卡状态，所涉及的软件工具及教程均来源于网络。如需进一步了解 SD 卡详情，建议咨询 SD 卡厂商。---

推荐工具1：H2testw该工具免费提供全盘读写校验。操作步骤- 将 SD 卡插入电脑。如有需要，请先备份 SD 卡数据，然后格式化 SD 卡。---

• 下载并运行 H2testw。 下载链接：https://h2testw.org/---

• 点击软件的 Select target 按钮，浏览并选择该 SD 卡 < 点击 Refresh，再次确认已选中 SD 卡。 ---

• 点击 Write + Verify，等待测试完成。注意： 此过程耗时较长，卡容量越大，耗时越久。原理为逐段写入数据后读取校验。
  注意： 校验过程中请勿移除 SD 卡或关闭软件。

• 如果出现报错：说明 SD 卡存在异常，请更换或联系 SD 卡厂商。

• 如果正常运行直至结束：说明 SD 卡正常，软件窗口会显示测试数据。

• 测试完毕后，请再次格式化 SD 卡以便正常使用。 ---

How to Test Your SD Card?The information here is compiled from online sources. Recording stability is often affected by SD card quality. This guide helps you check your SD card’s status. All tools and tutorials mentioned come from the internet. For further assistance, please contact the SD card manufacturer.---

Recommended Tool: H2testwThis free tool performs a full read/write verification to check your SD card’s health.How to Use- Prepare your SD card: Insert it into your computer. Back up any important data first, then format the card.---

• Download & run: Get H2testw from the link below and launch it. https://h2testw.org/---

• Select your card: Click Select target, browse to find your SD card, and select it < Click Refresh to double-check the correct drive is chosen. ---

• Start the test: Click Write + Verify. The tool will write data to the card segment by segment and then read it back for verification.Important: This test can take a long time, especially for large-capacity cards. Please do not remove the SD card or close the software during the process. ---

• Review the results:- If errors appear: The SD card may be faulty. Please replace it or contact the card’s manufacturer for support.

• If the test without errors: Your SD card is in good working order. The software window will show the test data.

• Final step: After the test is complete, format the SD card again before using it normally. ---