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No Fragments Archive 10: Diskmags
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BOS_CORRUPT
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1987-04-21
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C O R R U P T D I S K S
D O N ' T P U T T H E M T O W A S T E !
B Y P A U L O N G L A Y
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Corrupt disks is a problem that has affected us all and if you're lucky
enough never to have had a corrupt disk, then you're bound to get one soon!
A corrupt disk is a disk which has been internally damaged somehow. What
could be a brand new, gleaming disk with a nice pattern on, a nice colour
and a brand name could well be corrupt. A corrupt disk has nothing to do
with the external appearance.
A corrupt disk usually has a damaged magnetic coating and therefore, certain
sectors and tracks (sometimes even ALL of them) are damaged and can't be
read properly or saved to. This is usually the cause of the infamous, "DISK
IN DRIVE A IS NOT RESPONDING" message on the desktop or the 'ERROR, CANNOT
READ TRACK' message in FASTCOPY and other copiers.
A disk can be made corrupt in many ways. The most common is through the
post. If the postie decides to X-Ray your package, the magnetic coating on
your disk is bound to get very, very damaged. Also, though, leaving your
disks near magnetic sources such as on top of your T.V. an also damage your
sectors. Another way of corrupting your disk is bad handling. Pushing to
hard on the disk, dropping it or not storing it properly. Infact, did you
know that just the pressure of writing on the label on the disk is enough to
damage the disk? Well, it is and that's why you should always write out
your labels before sticking them on if possible. This is a very common
problem because people don't realise just how easy it is to break a floppy
disk or damage the insides or magnetic coating. The other cause for corrupt
disks is simply wear and tear. Eventually, a disk gets worn out and badly
made disks or very old disks that have been used a lot are bound to get a
bit risky after a while, especially with extended formats.
Many think that when you have a corrupt disk, it should be thrown into the
bin but that's just being wasteful, a lot more can be done with your corrupt
disks. Firstly, when you have a corrupt disk, the first thing you should do
is format it. It's best to format it to a normal format (i.e. 9 sectors and
79 tracks). In many cases, this will fix the disk and the disk will now
work fine. In some cases though, it may still me corrupt. Don't give up,
format it at least two more times and then if it is still corrupt, you can
try some other methods which I'll go into in a minute.
When checking to see if your disk is damaged or not, you should SCAN the
disk. FASTCOPY has the option to do this and will report any damaged
sectors.
If formatting doesn't fix your disk then a disk fixer might. There are only
a few of these about but they can be obtained in the P.D. sector and usually
do the job quite well.
There's also the option of constant 'RETRYING'. This is when you are
copying the disk and the error is mentioned and you then have a number of
options including 'RETRY'. This can sometimes sort out the error.
Alternatively, you can go for the 'BEST MATCH' with FASTCOPY which will
sometimes fix your disks.
If after all that, you still have a corrupt disk on your hands, not all is
over. SCAN the disk for damaged sectors and note what sectors\tracks they
are. Now, with this information, you can just use certain parts of your
disk. For example, usually, when a disk is damaged by X-Raying at the post
office, the sectors on side 1 aren't damaged much, if at all and can easily
be fixed with a simple format. Then, at least you have one spare side so
you can use it as a single sided disk or send a contact a single sided
product on that disk. It may be a reduction in disk space but at least
you've still got a working disk.
If your disk is STILL corrupt, don't give up. You can still use it. There
will always be at least ONE disk which will copy over to the corrupt disk
with ease and work so take a few random disks from your collection and copy
them over. Check that the new copy works and if it does, blank the other
and you will have a nice, fully working blank and also, your corrupt disk
will have been saved and will be doing a much better job that it would have
been doing in the bin.
If even that doesn't work, still keep away from that bin because you can
send them to your worst contacts as swaps.
If you feel a bit guilty about doing that, you could do things alternative
to computer use with your disk such as use them as frisbies or dangerous
weapons but there is still a better use for your corrupt disk(s) which will
save them from the bin...I know a little computer shop near me that recycles
disks and for every two corrupt disks I give in, I get one new, working one
in return so, if you have any corrupt disks (even if it's just one) which
you would like to see put to good use rather than in the bin, then send them
down to James at the normal address, he will then forward them to me and I
shall get some new ones in return and those new ones will then be sent to
James to help him get new software for POWER P.D. etc. because we all know
that he is always desperate for disks. This is the perfect way to help
POWER and also, cut down on waste and help the enviroment so check your
blanks for any corrupt disks and get sending them down.
If you don't want to do that with your corrupt disks, there's one more
alternative and that's to save them up and build a house out of them!
Remember...
CORRUPT DOESN'T MEAN USELESS!