The signs and symptoms of BPPV can come and go, with symptoms commonly lasting less than one minute. Episodes of benign paroxysmal positional vertigo can disappear for some time and then recur. Activities that bring about the signs and symptoms of BPPV can vary from person to person, but are almost always brought on by a change in the position of your head.
In Windows, search for and open Device Manager. Select Device Manager in the menu. Figure : Device Manager. Double-click a device type (for example, double-click Display Adapters) to view the devices in that category. Right-click the desired device and click Properties. Figure : Display adapters.
To identify and remove the ghost devices from the Windows Device Manager, do the following: 1. From the command prompt on the problem media server, run: C:\>set devmgr_show_nonpresent_devices=1. C:\>start devmgmt.msc. 2. Then, select View from the drop down and select to Show Hidden Devices.