4 unknown devices in Windows 7 RTM 64 on dv7 Mochin 03.19 HP tips Mochin 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 ProtectionDownloadthis will solve 3 unknown device and the other one left is:HDD protection feature:Download Author : Mochin Share this Google Facebook Twitter More Digg Linkedin Stumbleupon Delicious Tumblr BufferApp Pocket Evernote Related Posts HP Pavilion dv2-1003ax Windows XP DriverNOTE: Install according to order given.Install netframework 2.0 before other drivers:Net HP Pavilion dv2-1209au Windows XP DriverModel: HP Pavilion dv2-1209AUManufacture : Hewlett PackardSeries: HP Pavilion DV2CompatibHP Pavilion dv4-1257tx Windows XP DriverPlease Install Netframework before others:Net framework 2.0http://www.microsoft.com/en-usHP Pavilion dv2-1005au Windows 7 Driver For chipset (in case you need it) you can download from AMD site (amd base model)AU