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Thread: C0640 Heads up

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    Service Manager 1,000+ Posts tmaged's Avatar
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    C0640 Heads up

    Thought I would pass along something that we found. Had a 6551ci the went to C0640. It had the two drives, so we went in to switch it to one. Put a new drive in it & C0640 came back up. Tried all kinds of stuff including putting two drives back in & changing the sim back to two, but the C0640 remained. It does say, but doesn't emphasize that the single HDD has to be at least 320gb. Anything less & it will not run.

    Hope that helps !
    -Tony


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    Re: C0640 Heads up

    good to know, thanks, do you use HDDs from your local stores, bestbuys, or pc shops? I've used Memory Experts HDDs that has a pretty good price point and it worked very well on other brands, but haven't tried them in the KYOs.

    i just had a 6500i with dual HDDs that threw a C0640 that couldnt clear. Was about to replace both but instead ran a U024 Format HDD and it cleared the code. We'll see how long this will last.


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    scrub 500+ Posts jmaister's Avatar
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    Re: C0640 Heads up

    Quote Originally Posted by buzz View Post
    good to know, thanks, do you use HDDs from your local stores, bestbuys, or pc shops? I've used Memory Experts HDDs that has a pretty good price point and it worked very well on other brands, but haven't tried them in the KYOs.

    i just had a 6500i with dual HDDs that threw a C0640 that couldnt clear. Was about to replace both but instead ran a U024 Format HDD and it cleared the code. We'll see how long this will last.
    3 days to 6 months. once it gives, it will fail. backup address book while you have it

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  4. #4
    Service Manager 1,000+ Posts tmaged's Avatar
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    Re: C0640 Heads up

    Quote Originally Posted by buzz View Post
    good to know, thanks, do you use HDDs from your local stores, bestbuys, or pc shops? I've used Memory Experts HDDs that has a pretty good price point and it worked very well on other brands, but haven't tried them in the KYOs.

    i just had a 6500i with dual HDDs that threw a C0640 that couldnt clear. Was about to replace both but instead ran a U024 Format HDD and it cleared the code. We'll see how long this will last.
    We get them from Tiger Direct, New egg or any of the equivalent. You can get them for around $50.

    Hope that helps !
    -Tony


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