4 unknown devices in Windows 7 RTM 64 on dv7

before proceed with the steps to solve your problems make sure you check the ID, the ID for dv7 i have is ACPI/HPQ0004 so it is the:

ProtectSmart Hard Drive Protection
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this will solve 3 unknown device and the other one left is:

HDD protection feature:
Download

Labels: HP, tips

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