What if dvd movie

Leaving the disc in its packaging will allow gradual acclimation to a changed environment. Discs used frequently should be stored at a temperature similar to that of the environment in which they are to be used. This minimizes stress from frequent temperature changes. Given the absence to date of relevant testing, the precise effects of storing CDs and DVDs in freezing temperatures are not yet known. Freezing and thawing may create harmful stresses in the disc because of differing expansion rates of the layers, but it is unclear how much this stress might affect the disc.

There may even be a benefit to uninterrupted freezing of a disc for an extended period. Until testing is done to measure the effects of freeze-thaw cycles or long-term freezing, the benefits or harmful effects will remain uncertain.

Any effect of light on the disc would involve degradation of the polycarbonate substrate plastic and would become noticeable only after several decades of exposure to daily storage facility lighting or sunlight through windows. To our knowledge, there is no report on the potential impact of this kind of material change on the playability of the disc. Light effects on ROM discs, therefore, are considered negligible. Effect of Light on R Discs Prolonged exposure to sunlight or other sources of UV light can significantly increase the degradation rate of the dye recordable layer in R discs.

Deterioration of the dye makes it less transparent. As a result, some, or all, of the unmarked areas in the dye could be read as marks, depending on the severity of degradation. These areas will then result in errors when read by the laser. The most likely cause of damage to R discs from direct sunlight is by heat buildup in the disc affecting the dye. Much of the ultraviolet range of sunlight can be filtered or absorbed by glass-e. However, the lower light frequency infrared range will pass through a window and generate heat in the disc.

A disc in a case, or one with a dark label, printing, or color that allows it to absorb more sunlight, also makes a disc more prone to heat buildup from direct sunlight exposure. The effects of heat buildup can be minimized if the disc is kept cool, such as in an air-conditioned room. Exposure to direct sunlight without protection glass or plastic window will cause the disc dye to degrade more rapidly. These observations on the effects of light are based on preliminary tests conducted at NIST.

This film, however, is affected by heat; in fact, it is heat generated from the intense laser beam that writes data in the phase-changing film. Heat buildup in RW or RAM discs caused by direct sunlight will accelerate the degradation rate of the phase-changing film just as it does that of the dye in R discs.

The phase-changing film in RW and RAM discs degrades naturally, and from heat buildup by direct sunlight, at a faster rate than the dye in R discs. The polycarbonate substrate, or the plastic composition, that makes up most of the disc is a polymer material that is vulnerable to moisture.

Any prolonged exposure to moisture resulting from a spill, humid air, or immersion allows water to become absorbed into the disc, where it may react with any of the layers. Returning the disc to a dry environment will allow the absorbed moisture or water to dissipate out of the disc over time; however, water or a water-based liquid may leave behind, within the disc, contaminants such as dyes or other dissolved minerals.

If the disc has experienced no permanent damage from absorption of the liquid, it should play normally. In NIST tests, a CD totally submerged in clean water for 24 hours was found to be unreadable initially after removal and surface drying. Contact of the disc with strong organic solvents must be avoided. Harsher solvents such as acetone or benzene will dissolve the polycarbonate and thereby damage the disc beyond repair.

Limited contact cleaning with mild solvents such as isopropyl alcohol or methanol is permitted, as these solvents evaporate quickly and will not dissolve the polycarbonate.

They may, however, dissolve or damage labels or optional coatings on the label side of the disc. The effects on optical discs of magnetism, X-rays, microwaves, and radiation can be summarized as follows:. Optical discs should be kept in individual storage containers until used and returned to those containers immediately thereafter.

Typical storage containers, as listed below, isolate and help protect discs from airborne contaminants and other foreign material. They also help buffer rapid environmental changes that can cause stresses to the disc. Cases are designed to keep surfaces of the disc from contact with the inside of the case. Only one disc should be placed on the hub or each hub in the case.

To remove the disc, one should press down on the hub tab while holding the outer edge of the disc with the fingers and then lift up. Bending the disc while lifting it off the hub tab should be avoided.

For long-term disc storage, it may sometimes be prudent to remove the label insert or booklet from inside the case and attach it to the outside, perhaps in a sleeve.

In theory, the paper can attract moisture and produce higher moisture content in the case. The paper may also spread moisture by contact with the disc. This recommendation is based on no specific tests of the effects of paper inside a case; it is merely a consideration—one that takes on added significance with large amounts of paper inside a disc case and higher-than-recommended humidity conditions. Anything on an optical disc surface that impedes the ability of the laser to focus on the data layer can result in missing data as the disc is being read.

Fingerprints, smudges, scratches, dirt, dust, solvents, moisture, and any other foreign material can interfere with the ability of the laser to read the data. They can also interfere with the ability of the laser to follow the data track in the disc. Light scratches and fingerprints are very common, and while they both can impede laser reading, their effects on the disc are somewhat different.

Scratches affect discs differently depending on the side of the disc affected, the severity and direction of the scratch, and the type of disc. Scratches generally cross data lines or tracks on the disc, and how bad deep and wide they are will determine the extent of interference with laser focus on the data. Small or occasional scratches will likely have little or no effect on the ability of the laser to read the disc, because the data are far enough below the surface of the disc that the laser is focused beyond the scratch.

Even assuming a scratch is deep or wide enough to influence laser focus, error detection and correction coding in the disc drive can in many cases recover the misread data.

However, scratches that are deep, wide, or bunched together can adversely affect the readability of the disc. These scratches can cause the laser to misread enough data to make error correction coding ineffectual. Common problems include only sound but no picture , not supported mode , no signal , auto play the trailer while stop at main feature and so on. How could this happen? Read following checklist to isolate the problem and solutions to fix DVD not working on your television.

The culprit could be the DVD bad compatibility. For instance, some old home player might only support playing back DVD content at the standard 25fps or Therefore, it will be out of function if your DVD is burned at 50fps or 60fps. In such case, you're required to re-burn the copy at a slower speed to suit its play ability. It might be accumulated some dust or fingerprints on the lens.

Worse still, DVD may be scratched and damaged , which will also affect the playback experience. Check more details on how to fix a scratched DVD and recover data. Sometimes DVD works fine on a computer but doesn't play on TV properly or the movie is discolored or distorted, there can be something wrong with the DVD player, e.

Make sure video cables are securely connected at both ends. Make sure you turn your DVD player on before doing so. In this comedy of second chances, Ben awakens to find Wendy and their kids getting ready for church, while ahead of him lies a day of reckoning and reconsideration. Director Dallas Jenkins. Moods Romantic. Format DVD. Screen Widescreen 1. CC Yes. Audio English: Dolby Digital 2.