New Dell Latitude owners may notice an unknown device in their device manager. Here’s how to find out what it is and the solution to what mine was. In Device Manager, right-click the device and click Properties. Under the details tab, choose Hardware ID from the drop box. You’ll see something like ACPI SMO8800 (that’s what the unknown device was on mine).

• Smo8800 Driver

Latitude e6220 'Unknown Device'. After installing drivers, there was one 'Unknown Device' in device manager. In Properties -> Details, the Hardware Id is listed as: ACPI SMO8800 SMO8800 Turns out this is a driver for the hard drive's free fall sensor. Go to dell support, select computer type and your operating system. #91, 0x8004010F 'Outlook data file cannot be accessed', [Software]. #96, Dell Latitude unknown device ACPI SMO8800, [Laptop - Hardware]. Download driver for ACPI SMO8800 device for Windows 7 x86, or install DriverPack Solution software for automatic driver download and update.

Smo8800 Driver

Google that hardware ID and you’ll find that it’s an accelerometer, a device that detects when your laptop may be falling and instantly stops the hard disk so it isn’t damaged on impact. For those with the specific ACPI SMO8800 device, here’s a link to Dell’s driver for the. Additionally, you may find this utility useful. Compliments of beecherbowers.com.