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Repair scratched CD


FaceMouth

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  • 2 months later...

  • 5 months later...

I've been gone for quite a while and it's good to be back here. I've just been doing other stuff that takes up a lot of my time. I got another scratch removing tip, but BE WARNED, I'm not sure if it will work with cd's.

You can use furniture polish to fix scratches in glass, I used it on my glasses. Maybe someone less lazy than me can do a bit of research and see if it will work for discs. If I get time I'll look it up, but there just aren't enough hours in a day

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I would not recomend using gel toothpaste! The abbrasive in it is much coarser than in regular toothpaste.

Breathing on a disc deposits halitosis and water (in a small quantity). The amount of water shouldn't do any damage but the halitosis could peel the information layer off. Check first by breathing on wallpaper. If it peels, then use the toothpaste, gel or regular, on your teeth. Then breath on the disk.

DL

Ummm... dude? If your breath can peel wallpaper, you've got WAAAAAY bigger problems than a few scratched CDs :P :P :P

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Plastic polish works good, just use a circular motion when applying let dry to a haze remove excess with a circular motion, Then make a backup copy.

Actually it is better to always apply polish radially, i.e. at 90 degrees to the "grooves", at least in final steps.

Any mark that is radial or however not tangential to the groove tends to be interpreted correctly by the reader while marks and scratches in the same or near to same direction of th grooves tend to cause mis-readings.

http://www.mcgee-flutes.com/scratches.html

a scratch which runs at an angle to the track usually poses no problem for the tracking mechanism. Indeed a well adjusted CD player should be able to track a disk on which a 1mm strip of black tape has been stuck - providing it is stuck on radially. But if a scratch is approximately tangential or circumferential, it can obscure the track below for enough time that the tracking or error correction cannot cope.

A complete guide:

http://en.chinabroadcast.cn/3100/2006/08/11/271@125577.htm

jaclaz

Edited by jaclaz
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  • 2 weeks later...

I have to agree with using any recovery software prior to physically polisihing the disc. This is of course, I hope for all of us, common sense. I'll have to check out digiprime's recommendation, as I constantly seem to save data on a few scratched DVD-RW's I have. Yes, I should thrwo them away, but it's just my nature to consistantly make the same bad errors in judgement. I don't learn the hard way, I learn the very, very, very hard way. :blink: The reason for recommendaing toothpaste was that it is something everyone, hopefully, has around the house. Wile brasso and other products may work better, I personally don't have these things lying around. If I'm going ot spend money on something to repair a disk, it may as well be something designed for hte task. I'm not knowcking the suggestions in any way, just giving my personal view on things. I still laugh at this thread every time I read it, not that it isn't hlepful, just that when I posted it I thought it would be removed for being in the wrong section. It was also one of my first poests, and seeing how people are constatntly being told to search for answers and warned about posts, I was unsure whether to even post this. I understand the warnings, I agree with them, I have rarely had to ask anything myself, as searching will eventually find 90% of whatever someone asks. It just amazes me how much input and how long this thread has added to. Guess you just never know what type of information really interests people.

enough of my bablbling, hopefully I'll get more involved with this site again. I think I wore myself out on tearing apart and rebuilding windows software.

Take care everyone

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If I'm going ot spend money on something to repair a disk, it may as well be something designed for hte task.

Well, it is your money, but a rapid google search would show you that a small (8 oz - 236 ml) can of Brasso can be bought for US$4.29 or a 150 ml one goes for GB£2.09

http://www.shop.com/op/~76523_8_OZ_BRASSO_...814?xit_recom=1

http://www.britsuperstore.com/acatalog/Brasso.html

(and it can usually be fond at the grocery around the corner)

A CD polishing paste, (first one I found):

http://www.gadgetsuk.com/Disc-repair-paste-p-17150.html

costs

Price: £6.95 (€ 9.73)

for a really tiny tube.

...and with Brasso you can also polish all your other metal or plastic hardware, or repair CD's for all your lifetime, that of your sons, of your nephews, and all other future descendants ....

jaclaz

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I'll second this one......

Or a comercial product that comes in 3 grades of coarseness.

http://www.modernplastics.com/novisplasticpolish.html

I bought this product, all three grades, at a Computer Show,

after I'd seen it demonstrated.

It not only polishes scratches out of CD's, but it did a nice job

of removing the road haze from my plastic headlight lenses on

my car. It works pretty well on scratched sunglasses B) too.

Good Luck,

Andromeda43 B)

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  • 4 weeks later...

The only way your saliva would break down the cd is if the cd was made from bread. The enzymes in your saliva turn starch into sugar and that's about it.

I'm taking an anatomy class and we're at the digestive system atm :P

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  • 1 month later...

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