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Chapter 14. Hardware > Driver Signing

14.5. Driver Signing

Every now and then, when you try to install the software for one new gadget or another, you'll see the warning box shown in Figure 14-5. It's telling you that Microsoft has not tested this driver for Windows XP compatibility and programming solidity. (Technically speaking, Microsoft has not put its digital signature on that driver; it's an unsigned driver.)

Figure 14-5. The most stable and smoothly operating PC is one whose components use nothing but digitally signed drivers. On the other hand, just because a driver isn't signed doesn't mean it's no good; it may be that the manufacturer simply didn't pony up the testing fee required by Microsoft's Windows Hardware Quality Labs.



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