Once you have a few USB devices (say, an external drive, a flash drive, and an iPod), it’s difficult to tell at a glance which one you’re using when you go to the Safely Remove Hardware applet because they all say USB Mass Storage Device.
You can give a more descriptive name by changing it with the registry editor. Here’s how:
Look in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\USB. You’ll see entries for items like Vid_0781&Pid_5406. Start with the first one and expand it; you’ll see a key under it like 0000060328042087. Click on the key and look at the LocationInformation value under it. You’ll see a friendlier name there:
You may have to expand several to find the device that you want. Once you’ve done so, you’ll need to right-click on the key, choose Permissions, and allow Full Control for Everyone to be able to edit it. Double-click Device Description and enter a new description in the dialog box:
Now your Safely Remove Hardware screen looks sensible: