Friend has a Fujitsu/Siemens AMILO Pro.
Every time you plug in a USB device (flash-drive, mouse) you need to use Device Manager to re-install the driver.
Can this be fixed easily or is there something wrong with his setup?
Light bulbs you shouldn't buy
There are plenty of dimmable LED light bulbs, but make sure you don't buy the ones that flicker when you dial them down.