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.
Replacing or upgrading your PS4âs hard drive. It is surprisingly easy to replace or upgrade your PS4âs hard drive. The drive itself is a normal 2.5-inch hard drive, and you can replace it with any other 2.5-inch drive (HDD or SSD) as long as itâs no taller than 9.5 millimeters and has a capacity of at least 160GB.or this step, you will need a USB drive with 1GB of free space, and the PS4UPDATE.PUP file from the official Sony website. Connect the flash drive to your PC and create a folder called PS4, and inside that create a folder called UPDATE. Copy the PS4UPDATE.PUP file to the UPDATE folder.Turn off your PS4.