应用程序、库、编译器、固件和操作系统的任何部分都可能是问题的根源，而硬件诊断探测不出这些问题。

Applications, libraries, compilers, firmware, and any part of the operating system can be the source many problems undetected by hardware diagnostics.

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该 Toolkit 在一个数据存储库中存储这些固件的所有版本镜像。

The Toolkit stores all these firmware version images in a single data repository.

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Fix Central是基于Web的中央存储库，面向所有TL、服务包和补丁，包括硬件固件。

Fix central is the Web-based central repository for all TLs, services packs, and fixes, including hardware firmware.

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