I have looked around for the info but have been unable to locate it again. If you look on the Dell website you will see that dell has not provided support for either Windows 7 nor Windows 8. By continuing to browse this site, you agree to this use. I got a message “Windows was unable to install your Unknown device. Sign In Sign Up.

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If you know the manufacturer of your device, you can visit its website and check the support section for driver software”.

Windows 7 IT Pro. Firmware is a combination of on microsoft acpi-compliant system and hardware. Join Date Jun Location Sydney Posts 2, Hi Reverend, I meant to have a proper look at your other post, however more pressing duties prevailed daughter V’s boyfriend.

This is ‘traditionally’ where the sound card likes to be and the sound card isn’t working. Last edited by Nate; at I did find somewhat of a work around, but I on microsoft acpi-compliant system did find a true solution.

Microsoft ACPI compliant system? too many?

Unknown Device showing in on microsoft acpi-compliant system manager after upgrading to Windows Quite often, Hardware IDs and such under device info can lend perspective into what device driver it is you are missing. I have never updated MB firmware so hang on somebody may have a bettter suggestion.


Welcome to the PC Pitstop Driver Library, the internet’s most complete and comprehensive source for driver information. Thursday, February 08, 4: Kindly find the solution and fix this situation Solved!

View solution in context. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Click update driver and it won’t find anything.

Microsoft ACPI-Compliant System – Driver Download

This is probably the driver you need for the unknown device you have Not an IT pro? Message 5 of 7 77, Views.

Sign In Sign Up. Popularity OS Popularity Windows 8. Only at PC Pitstop.

Microsoft ACPI-Compliant System Driver Download – PC Pitstop Driver Library

If you can’t figure it out, post up pics. Rapmaster I don’t like rap music. Also, with many wireless adapters it is important to stay on microsoft acpi-compliant system as updates often contain security fixes. Go to the device manager and click on the ASD device needing the driver.


If this is your first visit, be on microsoft acpi-compliant system to check out the FAQ by clicking the micrpsoft above. Wow crazy that’s what it was i could have sworn i installed everything of the asus driver update page thanks Nate Last edited by Reverend; May 7th, at I have upgraded to windows Message 2 of 7 78, Views.

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What is Microsoft ACPI compliant system?

You must do some research on microsoft acpi-compliant system find out the compatibility of your system motherboard with Windows 7. Actually the computer is not fully compatible with Windows 7 and that is why you are receiving the ACPI error. There are some motherboards with hardware components that are not compatible with Windows 7 because of the lack of device drivers micrsooft them.

Code 28 There are no compatible drivers for this device.