03-30-2014, 08:35 AM | #1 |
Junior Member
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Join Date: Sep 2011
Location: Qatar
Device: kobo touch
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'CONNECT' disappears on connection to PC
Can anyone help? I've never had any problems with my Touch, but now when I plug it in to my PC, 'CONNECT' flashes up for a split second then is replaced by the standard front page. This means that I cannot recharge or add books. Any suggestions welcome!
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03-30-2014, 09:49 AM | #2 |
Grand Sorcerer
Posts: 12,544
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Join Date: Nov 2007
Location: Toronto
Device: Libra H2O, Libra Colour
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Try a different USB cable and/or pott on your PC
Other option is a damaged USB port on the Touch itself. |
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03-30-2014, 09:58 AM | #3 |
Junior Member
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Join Date: Sep 2011
Location: Qatar
Device: kobo touch
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Thanks Peter T. Changed USB cable and problem solved!
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04-27-2014, 11:13 AM | #4 |
Enthusiast
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Hello,
I got a comparable problem. Setup: Kobo Touch (N905, the "first" version). Mac (old PPC) and PC (Windows 7). Around the time I updated to 3.2.0, the USB connection started to act odd, but only when connecting the Kobo to an USB-Hub (I use two different Hubs from different manufactures on the two computers). Either the Kobo doesn't show the "connect" dialog upon plug-in, or it flashes only for fractions of a second. Charging works nevertheless (green LED). When I let it sit for a while it sometimes miraculously pops up the dialog and I can mount it. But if I copy some books over the connection drops randomly (the more I copy, the bigger the chances are. More than approx. 10 MB and an eject is a near certainty). Again, this only happens when using an USB-Hub. When using an USB port, this doesn't happen. Very annoying. |
04-27-2014, 11:17 AM | #5 |
Zealot
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Device: Kobo Aura HD
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Are they powered or unpowered hubs?
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04-27-2014, 11:33 AM | #6 |
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04-27-2014, 10:01 PM | #7 |
GranPohbah-Fezzes r cool!
Posts: 1,056
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Join Date: Jul 2010
Device: Nook STRs, Kobo Touch, Kobo Glo
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Hubs historically have not been very often recommended for use with storage devices over USB. I wouldn't be at all surprised if there is a warning against connecting through hubs in the Kobo product literature... Further, even with a powered hub, depending on what you're operating through it you could be near or even slightly exceeding the current it's intended to supply thereby causing problems in terms of current supply and voltage drop.
You could, temporarily, unplug the other devices from the hub and see if that makes a difference... |
05-08-2014, 02:02 PM | #8 |
Enthusiast
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Hi,
sorry for the delay in my response, but I was on the road. Anyway, what I didn't properly convey in my first post: Connecting the Kobo using the hubs did work fine for years. It just started acting up recently. I didn't change anything on that setup (no added USB devices, updated software on the Mac/PC, etc.). Only thing I can think of was the update to firmware 3.2. The errors started around that time. But I'm not sure it's related to this update. In the meantime I upgraded to 3.3, but the error is still present. |
05-08-2014, 11:47 PM | #9 |
GranPohbah-Fezzes r cool!
Posts: 1,056
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Join Date: Jul 2010
Device: Nook STRs, Kobo Touch, Kobo Glo
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It could be a bug, but it's probably a matter of interpretation and more likely you were marginally getting by doing something you shouldn't. Perhaps they changed something throughput related or response time based(tightened up specs), or drivers got updated on your PC, and now a marginal connection fails...
If you know it works fine without the hub, there is your solution. AFAIK, there is no guarantee that any device will be compatible with anything but a direct connection to a USB port, not a hub, not an internal hub, Nada. The fact that it still works on a direct connection pretty much indicates they are within spec for a direct USB connection, so not really a bug. The only other thing that comes to mind is that I had a similar issue transferring books once upon a time and it was related to a corrupted database on the reader. You might try logging out and back into the reader to let it rebuild the database, but if that's the problem you shouldn't be having any better luck transferring books without the hubs... Are you sure you don't have a bad, stressed, or too long cable somewhere in the mix? Last edited by TechniSol; 05-09-2014 at 12:00 AM. |
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