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harryb
Occasional Visitor
Joined: Apr 13, 2007
Posts: 7
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 Posted: Wed Apr 25, 2007 1:56 pm Post subject: TT one - Memory card corruption |
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I have a TT one europe. The other day the memory card became corrupted.
Any ideas why this happened? My theory is that somehow when I unplugged from the car power somehow this caused an upset (voltage spike?)
What is the best way of powering on/off the unit to avoid this in future?
Has this happened to anyone else.
Luckily I have a backup, so I don't think it's a major deal to restore the card if neccessary. It's just this happened at the worst possible time (heading back to the airport when on holiday :-( )
-- Harry |
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thebinman
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Joined: Mar 04, 2006
Posts: 770
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| Posted: Wed Apr 25, 2007 2:06 pm Post subject: Re: TT one - Memory card corruption |
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| harryb wrote: | I have a TT one europe. The other day the memory card became corrupted.
Any ideas why this happened? My theory is that somehow when I unplugged from the car power somehow this caused an upset (voltage spike?)
What is the best way of powering on/off the unit to avoid this in future?
Has this happened to anyone else.
Luckily I have a backup, so I don't think it's a major deal to restore the card if neccessary. It's just this happened at the worst possible time (heading back to the airport when on holiday :-( )
-- Harry |
Voltage spike would normally blow an IC internally rather than  the SD card.
It WILL corrupt if the SD is removed while it's working a route etc |
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harryb
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Joined: Apr 13, 2007
Posts: 7
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| Posted: Wed Apr 25, 2007 3:22 pm Post subject: |
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Thanks. I don't think it was working out a route at the time. Also... wouldn't the internal battery keep things going.
Anyway.. I'll be more careful about power off and then remove from car power in future.
-- harry |
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thebinman
Banned
Joined: Mar 04, 2006
Posts: 770
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| Posted: Wed Apr 25, 2007 4:33 pm Post subject: |
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| harryb wrote: | Thanks. I don't think it was working out a route at the time. Also... wouldn't the internal battery keep things going.
Anyway.. I'll be more careful about power off and then remove from car power in future.
-- harry |
even if you're not following a route, if it's on & showing your road position etc & the SD is removed even that will corrupt things. |
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Eldar
Pocket GPS Moderator
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Joined: Sep 24, 2004
Posts: 1294
Location: London
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| Posted: Thu Apr 26, 2007 8:48 am Post subject: Re: TT one - Memory card corruption |
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| harryb wrote: | I have a TT one europe. The other day the memory card became corrupted.
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it's a known problem with ONEs, unless you took the card out without switching the unit off. |
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gray52
Regular Visitor
Joined: Jun 14, 2005
Posts: 77
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| Posted: Sun Apr 29, 2007 8:57 pm Post subject: |
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| i always carry a spare sd map card and a reseting pin. had this happen to me once, so im now prepared!!! |
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