SOURCE: USB Device Not Recognized...
Hi,
The main reason for getting this message is that the USB chip or part of the connection to the chip has failed. The best way to test to see if the product is defective is to try it on another computer.
This will tell you if the product or the computer port has failed.
SOURCE: I have a Magellan Maestro 4040 That will no longer pingower on.
this is a very common problem with these magellan 3140 and also the 3100,2000,2200t,2500,4000,4040 and the 4050 most likely the power port is damaged and needs replaced.i have these power ports but often they just need re soldered..i can repair these magellan gps if you need help. if i cant fix it there is no [email protected] ... to open the case on a 4040 you must start on the power button side, otherwise youll break the unit
SOURCE: boot error shutting down
That only means that the USB port is not updated. It can detect USB devices so all you need to do is to update the drivers of the USB port on your computer or you may try different USB port on your computer.
If you want to update the USB port on your computer you may go to device manger, right click my computer and go to properties then hardware and then device manager. From there you look on the USB device right click and hit update, you may use internet to update the drivers on the device.
If problem still the same thing you may try other's computers USB port and check if it will happen again.
Hope this works!
SOURCE: Plantronics Bluetooth Headset P590
This is a "known issue" that I have raised to Plantronics. Whether they do anything about it, remains to be seen. The workaround I have discovered seems to work with both of my P590 headphones that stopped charging:
1. Plug in the USB charging cable to a laptop or computer that is powered on.
2. Connect the USB charging cable to the headphones
3. Connect the 3.5mm headphone cord cable to the headphone output on the laptop of computer (this is the long cable with the normal 3.5mm stereo plug at each end)
4. Plug the other end of the 3.5mm cable into the P590 input.
The headphones should start charging.
Carlos (New Zealand)
SOURCE: GN 9350 Headset won't charge, blue light remains off
Unplug the unit, then take the ear piece and slide the battery off .... When you have the battery detached from the ear piece, wipe off the metal prongs, leave it off for a few minutes, then put back together. Make sure you plug the unit back in. It will take a couple hours for the unit to be charged. That should take care of the issue.
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