Instructions for accessing a "hidden" Flash Drive or one not working

Right Click the My Computer Icon on the Desktop and choose Manage.
Click on Disk Management and Look for your flash drive it will be listed as a "Removable Drive".
Right click the disk and choose "Change Drive Letter and Paths...".
A box will pull up similar to the one on the right. Click Change in the box.
A box like the one on the right will now pull up, choose a drive space in the listing to assign to your Flash Drive. Once done click OK.
A box might pull up asking what you want to do with the drive. Choose what you would like to do. Otherwise if no box pulls up go to My Computer and look for the Flash drive with assigned drive letter there.