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How to overwrite a rewritable cd&dvd

Launch the software application. HP recommends that you do a full erase as it deletes all the files and creates a new empty registry. Clears the disc registry and allows new files to overwrite the existing files.

A mini window pops out, on which you can edit the partition label and choose a file system. HP recommends that you fully erase the disc. All CDs and DVDs work by virtue of marks on the disc that appear darker than the background and can thus be detected by shining a laser on them and measuring the reflected light.

Pulsing at high power, the laser in the drive can ablate or "burn" marks in the dye. Insert the disc in the optical disc drive. For example, a music disc created on the computer may not play in a car radio.

Select Continuebutton to begin the erase operation. Disc with this format may not be usable in a device with a different type of drive. A common example of such a material is ordinary window glass, an amorphous form of silica. Choose a disc format. The blank grooves can keep the drive on track before the data is written.

Choose a disc erase option. See the help file in your software for specific instructions. In the left panel, select Computer. Here we show you how to erase and format CD or DVD in Windows 10 with disk management tool and third-party format tool. In the case of molded CDs, these marks consist of "pits" molded into the surface of the disc.

But soon the consumer, accustomed to recording LPs onto magnetic tapes, demanded the same ability in the new compact disc format. Read back with the laser at the normal, lower read power, those marks look like pits to the detectors in the drive. This is accomplished by heating the material to a lower temperature, which transforms it back to its crystalline state. The recordable layer on a CD-RW disc is made up of a rare-earth metal alloy "sandwich," which includes silver, indium antimony and tellurium elements. Phase change technology enables this rewriteability.

Sandstrom of Imation Corporation provides the following explanation: So I may burn a disc. Initially, the organic dye has high reflectivity. But some materials can have an amorphous state in which the atoms are organized not into arrays but randomly, as in a liquid.

Once an area of the disc has been written to, it cannot be erased.Aug 07,  · Yes. If you use some CD/DVD burner software like Nero (and many others), you could erase the old data intentionally. It has a function to erase mint-body.com: Resolved.

Insert the rewritable disc, such as a CD-RW, DVD-RW, DVD+RW, or DVD-RAM disc, into your computer's CD, DVD, or Blu-ray Disc burner. 2. Open Computer by clicking the Start button, and then clicking Computer.

Erasing a CD is a simple process, but it can only be done with a CD-RW disk. The data on a CD-R is permanently written on the disc. You are being eco-friendly when you use a CD-RW, because you are reusing a disc rather then burning a disc that will later be thrown out when you are done with it.

Jul 05,  · Best Answer: Put the DVD RW in your dvd drive. Open My Computer. Selece the cd drive. You will see some menus relating to the dvd at the top or at the left side of My mint-body.com: Resolved. Compact Disc Recordable (CD-R) is a write-once technology.

Once an area of the disc has been written to, it cannot be erased. The recordable layer is an organic cyanine or pthalocyanine dye. Technically yes, assuming you meant a burned CD/DVD and not a pressed one.

For the longer answer see What prevents a CD-R from being rewritten?.

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