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afterdawn.com > forums > consoles > sony psp - general discussion > cyclic redundancy check
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Cyclic Redundancy Check
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assguard
Newbie
_ 		22. July 2008 @ 10:41 _ Link to this message    Send private message to this user   
hey i've been asking around and i really have no idea how come when i transfer the iso over onto my psp the cyclic redundancy check error pops up this only happens to files which are generally bigger. For some strange reason if the file is below 300mb the file is able to be transferred into my psp. I'm not using a fake MS and it just happened today. Can anybody help please? Thanks..
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LukeWiggy
Suspended permanently
_ 		22. July 2008 @ 11:27 _ Link to this message    Send private message to this user   
i have this all the time mine IS real also but i fix it by Formatting the MEM on the computer First then Format on psp
backup FILES though!
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Dr1ver
Senior Member
_ 		22. July 2008 @ 11:36 _ Link to this message    Send private message to this user   
format the ms see if that helps
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assguard
Newbie
_ 		23. July 2008 @ 10:01 _ Link to this message    Send private message to this user   
thanks guys but i tried rdy the formatting. i formatted on my computer first then on my psp but it still cant work. the stupid error pops up again sigh..
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Dr1ver
Senior Member
_ 		23. July 2008 @ 10:07 _ Link to this message    Send private message to this user   
is it just this game or any file over 300mb
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mrgooey
AfterDawn Addict

4 product reviews
_ 		25. July 2008 @ 01:40 _ Link to this message    Send private message to this user   
reformat to FAT32 with ur PC.
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JadenYuky
Newbie
_ 		26. July 2008 @ 10:04 _ Link to this message    Send private message to this user   
My psp system is Fat and i formated from my pc and then format ms and it works for 1 day...then it gives redundancy at every file i wanna put in psp pls HELP...what do you mean?Should i format my psp it's 4.01 m33-2 system FAT to FAT 32?then format ms and it will work??
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Dr1ver
Senior Member
_ 		26. July 2008 @ 11:47 _ Link to this message    Send private message to this user   
have you formated it on your psp. it may be that on the computer you are formating it to the wrong block size causing it to not read and write large files

if you do it on the psp then it should format to the correct block size

if that doesnt work the memory card has be come faulty and i would send it back to sony (had a simalar problem with a mmc 2gb with files over 5mb but it was faulty to begin with)
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JadenYuky
Newbie
_ 		26. July 2008 @ 11:53 _ Link to this message    Send private message to this user   
Well i formated my psp by formating mem stick from psp then Pc...it works for 1 day then it gives me that error again at every file i wanna put in psp.
I deleted dic from flash 0 but still...when i wanna defrag flash 0 it keep telling me that i must have FAT32 blah blah...if i format psp from PC with FAT32 on system it won't brick?cuz now i have system FAT only...Can i Format from PC with FAT32 a psp System that is FAT without brick it?help pleaseee
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tripplite
Suspended due to non-functional email address
_ 		26. July 2008 @ 14:04 _ Link to this message    Send private message to this user   
Quote:
cyclic redundancy check
cyclic redundancy check is usually a false flag in windows, if the redundancy check is correct then you have a bad sector on your hard drive
or the file itself is corrupt which doesn't seem to be the case


run the windows error-checking tool to see if its actually the hard drive or windows is just giving a false flag:P

start>mycomputer>hard drive C:>right click> properties>tools> error checking

try doing the file transfer from an external drive to see if you still get the error!



best of luck!
-tripplite



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JadenYuky
Newbie
_ 		26. July 2008 @ 14:14 _ Link to this message    Send private message to this user   
Originally posted by JadenYuky:
 Well i formated my psp by formating mem stick from psp then Pc...it works for 1 day then it gives me that error again at every file i wanna put in psp.
I deleted dic from flash 0 but still...when i wanna defrag flash 0 it keep telling me that i must have FAT32 blah blah...if i format psp from PC with FAT32 on system it won't brick?cuz now i have system FAT only...Can i Format from PC with FAT32 a psp System that is FAT without brick it?help pleaseee

You DIDN'T answered my question please answer !
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Dr1ver
Senior Member
_ 		26. July 2008 @ 15:53 _ Link to this message    Send private message to this user   
right for the memory card do the same thing as tripplite said but do it on your memory stick and not on the c drive

as for your flash0 problem dont defrag it there is no need and any ways every time you update it should defrag anyway also you'll find you will only gain a couple of bytes if you do defrag it so theres really no point, defraging was made mainly for reorganising large amounts of random access data (maily on hdd)

just copy the backed up dic folder to where you deleted it
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JadenYuky
Newbie
_ 		26. July 2008 @ 15:57 _ Link to this message    Send private message to this user   
Can i Format from PC my psp who is system FAT can i format on FAT32 without brick my psp?can i format my psp using the FAT32 system option for format?
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Dr1ver
Senior Member
_ 		26. July 2008 @ 16:02 _ Link to this message    Send private message to this user   
omfg

right 1) DONT FORMAT THE MEMORY STICK ON THE PC try it on the psp because if you do it on the psp then it will set it to the correct format and block size

2) DONT FORMAT THE FLASH0 if you format it to the incorrect block size it may not allow data to be run leave it as it is

3) YOU DONT NEED TO DEFRAG THE FLASH0 the flash0 on a fat is 32mb and on a slim its 64mb its so pointless to defrag memory that size it will likely not recover any memory and windows only does it when 11% is free and on a fat that wont be true
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JadenYuky
Newbie
_ 		26. July 2008 @ 16:04 _ Link to this message    Send private message to this user   
I understand what you say,i formated the mem stick but no result,i formated on the pc and it worked for one day,then all solution i tried and no result...what should i do?
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Dr1ver
Senior Member
_ 		26. July 2008 @ 16:24 _ Link to this message    Send private message to this user   
right its likely that the memory stick is broken if it wont work being formated on the psp

have you properly checked that its not fake by clicking triangle on the memory card icon and going to information then seing if it say magic gate supported or unknown

if unkonown then its fake (nothing you can do)

if its supported then make sure its <2 years old if so send it back to the maker (phone them first)
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JadenYuky
Newbie
_ 		26. July 2008 @ 16:31 _ Link to this message    Send private message to this user   
it's supported...i guess that's not fake..what's the secnd thing i should do?i buyed from a magazine i can't tell them i pirated the mem stick and this psp was being bought together with the card 1 year ago latest christmas...so?
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Dr1ver
Senior Member
_ 		26. July 2008 @ 16:47 _ Link to this message    Send private message to this user   
look just format the card phone sony or scandisk or how ever the maker is tell the the problem and when you bought it and then send it to them, you dont need to tell them what you use it for.

apart from that just keep try formating it on the pc at different block sizes and also defrag it and check for errors
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JadenYuky
Newbie
_ 		26. July 2008 @ 16:52 _ Link to this message    Send private message to this user   
on the mem stick is writen Lexar!
should i go back at the shot and tell them to exchange it cuz it doesn't work?and it gives that error?
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tripplite
Suspended due to non-functional email address
_ 		26. July 2008 @ 20:17 _ Link to this message    Send private message to this user   
@ driver lol man you have patience with these guys :D

cyclic redundancy errors are due to the original source, not the source its being moved to:P

Quote:
on the mem stick is writen Lexar!
should i go back at the shot and tell them to exchange it cuz it doesn't work?and it gives that error?

have you tried doing the transfer on a different computer or different drive yet>>???


use swiss knife to format the memory stick
(to FAT32)
if you still get the error on a different computer after the format then yeah try and get a new card
http://www.compuapps.com/Download/swissknife/swissknife.exe

best wishes!
-tripplite
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Dr1ver
Senior Member
_ 		27. July 2008 @ 05:11 _ Link to this message    Send private message to this user   
Quote:
@ driver lol man you have patience with these guys :D
iv got worse at the moment lol i can stand it


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