HP Pavilion dv7-4278nr Entertainment Notebook PC - Manual (Page 60)

CD-R discs
CD-R (write-once) discs are widely used for creating a permanent copy of data that can be shared as
needed. Typical uses include the following:
● Distributing large presentations
● Sharing scanned and digital photos, video clips, and written data
● Making your own music CDs
● Keeping permanent archives of computer files and scanned home records
● Offloading files from your hard drive to free up disk space
CD-RW discs
Use CD-RW discs (a rewritable version of a CD) to store large projects that must be updated frequently.
Typical uses include:
● Developing and maintaining large documents and project files
● Transporting work files
● Making weekly backups of hard drive files
● Updating photos, video, audio, and data continuously
DVD±R discs
Use DVD±R discs to permanently store large amounts of information. After data is recorded, it cannot
be erased or written over.
DVD±RW discs
Use DVD±RW discs to erase or write over data that you saved earlier. This type of disc is ideal for testing
audio or video recordings before burning them to a CD or DVD that cannot be changed.
LightScribe DVD+R discs
Use LightScribe DVD+R discs for sharing and storing data, home videos, and photos. These discs are
read-compatible with most DVD-ROM drives and DVD video players. With a LightScribe-enabled drive
and LightScribe software, write data to the disc, and then add a designer label to the outside of the disc.
Blu-ray discs (BD)
NOTE: Blu-ray is a new format containing new technologies. Certain disc, digital connection,
compatibility, and/or performance issues might arise, and do not constitute defects in the product.
Flawless playback on all systems is not guaranteed.
BD is a high-density optical disc format for the storage of digital information, including high-definition
video. A single-layer Blu-ray disc stores 25 GB, over five times the storage capacity of a single-layer
4.7 GB DVD . A dual-layer Blu-ray Disc stores 50 GB, almost six times the storage capacity of an 8.5
GB dual-layer DVD.
Typical uses include:
● Storage of large amounts of data
● High-definition video playback and storage
● Video games
50 Chapter 6 Drives