So this unlisted for my laptop driver fixed my issue. Thank you, this was bothering me for some time. My friend had a similar issue with his Dell M After downloading the device driver for Free Fall Sensor, you must run the driver executable file, reboot your Dell PC, and make sure that there are no more problematic device or Unknown Device listed in the Device Manager. Thank you very much. Awesome J-P, you are certainly right about Dell!

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FYI, the link to Dell no longer works, here is the link that is working: Have a great weekend! However, there are also cases where there are more than one Unknown Device or problematic devicemarked by a warning yellow symbol! Scpi you have a great week.

Unknown Device – on PCI Bus – ACPI\SMO / ~SMO – – Microsoft Community

I like it… There is one bug in it, I still cannot solve it. I am very glad that this helped!


Log in or Sign up. I have a friend with a XPS 15z and he really likes it! What driver can I download to fix it? Hi fdl, Thank you for your comment.

J.D. Hodges

Best regards and have a great week, -JD. This device is not working properly because Windows cannot load the drivers required for this device.

I am on a Dell Latitude E I have the Dell-Cam software installed already and working fine. You may be interested in: Discussion in ‘ Alienware M15x ‘ started by shizdanJan 16, I share your enthusiasm, scpi discover that this kind of technology is being implemented!

Yep, it is the Freefall Sensor of your hdd. I am very *sko8800 that the driver works well in your Vostro V Hi Dan, Thank you for your comment. That might help with the tiny quirks you are still experiencing?

I have the same above mentioned problem with dell inspiron 14Z Model thanks from your info. *amo8800 sensor — Wikipedia, the free encyclopedia http: See Terms of use….

Share This Page Tweet. A kernel software driver interfaces with the accelerometer and exposes its acceleration…. Thanks JD, I have previously spent ages looking for a fix for smo88800, only to find this today….


If it is an accelerometer, I’d suggest installing the Free Fall Sensor driver for your hard drive.

Alienware M15x SMO8800 Unkown Device

Dell Latitude E Windows 7 64 bit. After hybernation it never connect to the external monitor HDMI untill the cold restart.

Do you already have an account? Accelerometer — Wikipedia, the free encyclopedia http: Hi Nurtin, Thank you for your helpful comment! Thank you so much! Have a great week and thanks again for commenting, -JD. Hi Than, Thank you for your so8800 comment! Serves no purpose for those using SSD’s exclusively.