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What do LowerFilters and UpperFilters CD/DVD driver registry settings do?

Fresh5 days ago
Mar 15, 202616702 views
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Problem

I am having trouble with a NEC ND-6650A DVD/CD drive not being recognized on Windows XP. The Device Manager gives me: Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39) Trying to install the driver gives the following message: Target NEC ND-66ā€¦

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Fix for: What do LowerFilters and UpperFilters CD/DVD driver registry settings do?

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See this page for a brief explanation of filter drivers. In short: Upper filter drivers go between the operating system and the main driver, and lower filter drivers go between the main driver and the hardware. Each of the filter drivers should be pā€¦

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