Scalp sensitivity has several origins. It could be caused by an imbalance in the sebum secretion process, which leads to irritation. Pollution and stress can also irritate the scalp. In fact, pollution coats the hair in harmful elements that create a dull film over the hair and, like stress, generate free radicals.
Hard drive sizes. Hard drives come in two basic physical sizes: 2.5-inch and 3.5-inch. These sizes refer to the size of the data platters, not the size of the hard drive mechanism. Traditionally, 2.5-inch drives are used for laptops while 3.5-inch drives are used for desktop computers. Some compact desktops also use the smaller drives to enable a smaller form factor for the computer.
EDIT: To clarify, the USB drive was a regular hard drive in a PC that got infected. I cannot boot into the OS to run a scan. I removed it to attach it to a working PC so I can scan its file system. But, I cannot scan the registry of that hard drive because that drive is not booted up.The hard drive was a regular XP hard drive install that I removed to scan as an attached drive (with an adapter to make it a USB drive.). windows usb windows-registry anti-virus. share | improve this question.ut, I cannot scan the registry of that hard drive because that drive is not booted up. The hard drive was a regular XP hard drive install that I removed to scan as an attached drive (with an adapter to make it a USB drive.). windows usb windows-registry anti-virus.