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 Garmin nüvi forums
 Is clm.nvm a required file? garmin 780
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richvp

3 Posts

Posted - 15 mai 2008 :  22:53:57  Show Profile  Reply with Quote
I have a corrupt clm.nvm file that is half a gig in size. I understand that it should only be 80kb. Is it okay to delete this file and run webupdate again to recreate it?

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SergZak

USA
1805 Posts

Posted - 15 mai 2008 :  23:01:30  Show Profile  Reply with Quote
I'm pretty sure it gets regenerated by the nuvi if it's not there. Back up your current file somewhere on your PC (just in case) and then delete it from the nuvi. Then safely remove the nuvi from the PC and power it up. If all seems fine, plug it back into the PC and see if the file got regenerated. If not, copy your backup file back to the nuvi...and report back.

nüvi 3490LMT, nüvi 3790LMT, nüvi 765T, nüvi 855, nüvi 760, nüvi 750

Edited by - SergZak on 16 mai 2008 00:31:08
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SergZak

USA
1805 Posts

Posted - 16 mai 2008 :  01:32:28  Show Profile  Reply with Quote
richvp,

I just tested deleting clm.nvm from the nuvi and upon the next power cycle, the nuvi OS -does- regenerate it. You do not need to run Webupdater either.

nüvi 3490LMT, nüvi 3790LMT, nüvi 765T, nüvi 855, nüvi 760, nüvi 750
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gatorguy

USA
648 Posts

Posted - 16 mai 2008 :  02:50:32  Show Profile  Reply with Quote
SergZak, do you know the purpose of that file?

Garmin 1695 / 760 / 255 / Navigon for Android / Navigon 8100T / Garmin Dakota 10 / Geomate
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SergZak

USA
1805 Posts

Posted - 16 mai 2008 :  03:27:15  Show Profile  Reply with Quote
I don't know the purpose of the file. One clue though seems to be the file extension "nvm". For some reason, seeing those three letters in that sequence makes me think non-volatile memory...maybe a backup file of some sort. Of course, I could be WAY off base here.

nüvi 3490LMT, nüvi 3790LMT, nüvi 765T, nüvi 855, nüvi 760, nüvi 750
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richvp

3 Posts

Posted - 16 mai 2008 :  03:44:38  Show Profile  Reply with Quote
SergZak,

thanks so much for solving this. my problem now is that it won't delete. I'll have to find a proggy that can kill it.
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richvp

3 Posts

Posted - 16 mai 2008 :  03:56:50  Show Profile  Reply with Quote
Hey, it worked! I couldn't get the "Safely remove hardware" to remove the Garmin drive so I shut down windows and removed the laptop battery as a precaution and then disconnected the USB cord.

It now shows the file size as only 79.9kb. And I've 700M of space. Have a trip to Europe so maybe I can load European maps on it as well like a 770.

Again thanks so much!
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SergZak

USA
1805 Posts

Posted - 16 mai 2008 :  04:01:04  Show Profile  Reply with Quote
That's great! Glad you got things sorted out.

nüvi 3490LMT, nüvi 3790LMT, nüvi 765T, nüvi 855, nüvi 760, nüvi 750
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