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Hello, I'd suggest installing the previous device drivers in the Compatibility Wizard. ![]() ACPI CPL0002 DRIVER WINDOWS 7 COMPAL INSTALLSolution Download and install the driver for Smart Battery from the manufacturer's website: Follow the directions on the manufacturer's website to install the driver for Smart Battery. After after i noticed the unknown device, 1st i've tried tried updating the driver from the manufacturers cd when that dosent work i uninstall the device from the device manager and reboot my computer (hoping that upon reboot windows will find the driver online but still no luck) i even tried the action center and click troubleshooting, then hardware and devices i let windows detect and solve the problem (and apply fix) after that i got this: This problem was caused by Smart Battery, which was created by Compal Electronics, Inc. Haven't tried checking after a reboot yet though.) I'll be back to check later to see if you got it working or not, just now i should have been in bed about 6 hours ago, so thats where i'm going now. (Strangely, Windows 7 seems to recognise compatibility mode being set on CD/DVD's as well, have done this and removed and replaced a cd and the setting was still kept. ACPI CPL0002 DRIVER WINDOWS 7 COMPAL SOFTWAREIf not have you tried installing the battery software off the cd in Compatibility mode? Right click on the installer file, select Properties, Compatibility Tab, select Vista as OS, then put a tick in Run as Administrator at the bottom as well, Apply/OK then try running the installer file again. Thanks for your time and understanding! You said had, does that mean you have sorted the issue? ACPI CPL0002 DRIVER WINDOWS 7 COMPAL UPGRADEI suggest that you should wait for another period of time till the retail version is released and push the vendor company to upgrade their device driver. If the problem still persists, please understand that Windows 7 is a new operating system (only the beta version) and whole driverstore has been reprogrammed some old driver is not compatible with new OS. Remove that hardware device in Device Manager, right-click on the driver executable/installer file and select the Compatibility tab click the checkbox before Run this program in Compatibility mode for option and select Windows Vista in the list-down box then try installing the device driver. Does anyone know how i can identify what device is unknown and driver? I remember during the driver installation I had an error messsage when installing the Realtek HD Audio (I was installing Realtek 5477), however i can hear sound on my laptop and the sound works just fine. I've been using Vista ultimate SP1 and had no trouble w/ all the drivers before I installed Win7. I tried to let windows check for driver online but of no luck windows did not find any. Drivers) I have an Unknown Device at the device manager. I installed Win7 however upon completing the entire installation process (incl. If your driver isn't working, use the driver having the same OEM with the your laptop/desktop brand name. If you are looking for an update, pickup the latest one. ![]() With the different devices, they can have the same driver, it's because they all use the same chip manufacturer. Why do i see many drivers? Below is a list of drivers that may be suitable for your device. You can download the drivers on below table. *CPL0002 is the device of: COMPAL Embedded System Control. Under Property select Hardware IDs from the drop down list. Select Properties, once opened click on Details tab.
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