I know that it is not the connection on the unit, nor the usb port. USB port works fine, and the connection on the unit also works fine as the charger too. I bought a new data link cable thinking that it was the cable, not the case. Computer doesn't recognize unit anymore when connected. Was doing so for months, then it stopped. Please help!
When i plug in the given USB cable it registers then disappears, disabling the mp3 player.
Re: Computer doesn't recognize unit when connected
Get the recovery tool from Sandisk Support downloads. Put it in a file you can easily find. plug in the Sansa,
once it turns on, hold the power button until it turns off then switch
the hold switch at the top edge of the player to hold (showing orange) and then hold the "Record" button
on the side until the player turns on with a black screen, saying it is
in recovery mode. Some people have said they had to hold both "Power" and "Record" to make it work. Run the recovery tool software and you should be running again.
Re: Computer doesn't recognize unit when connected
Right Click on "My Computer" (if Windows XP) and click on Properties/Hardware tab/ then click on Device Manager/ Scroll down to see if you see "Windows Portable Device(s)" and expand it to see if you have an MTP device listed you may click on proterties to see if it says"device working properly"; if so, update the Driver by clicking on Driver Tab and the button "update driver' (note: you can always roll back the driver). If no MTP device listed then, right click any of the items listed in the device manager window and click on "scan for hardware changes" to see if it can find it. Let me know if it solved the problem -- as we may just need to do a hard reset.
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1. Confirm the USB port on the computer you are connecting your printer to is being recognized by your computer. The easiest way to do this would be to plug a known good USB Memory stick into the USB port you want to use. If you can read the contents of the USB Memory stick then the port should work. Remove the Memory stick, start the printer installation program (Make sure you don't the printer connected), want until the setup program tells you to connect the printer before you attach the Printer's USB cable.
If the printer isn't recognized try a different USB port, when picking a new USB port to try select a higher priority port, for example in increasing priority from, an external USB hub, a powered external hub, a monitor based hub, USB ports on the front of the computer, up to the USB ports at the computer rear. For USB ports on the same circuit select an USB 2.0 before an USB 3.0 port
I do know that sometimes a usb port will fail, for whatever reason, to recognize a device. It's happened to me before, and you can try a couple things. First, unplug and plug the usb port back in while it's connected to the camera. If the computer fails to recognize it, try you different usb ports, and the computer may respond. Aside from that, if you're running the XP or later versions of windows, you might try restoring your computer to a time before this problem occurred. Also, an update to Windows could have adversely caused this to happen, and restoring to an earlier date would hopefully reset the usb software's ability to recognize the port. Perhaps someone else will have suggestions if none of these things work, but that's the limit of my dealings with this problem. There's always the possibility that a hardware issue is at work here, but I hope not. If you do discover the port is bad, you can always get a hub and deal with it that way, leaving it connected to a known, good usb port. Just make sure you get a hub that is aided by a power source to relieve the computer from the burdon of powering up the hub. Good luck.
Here's what you can do since this is a USB wireless adapter, first connect the USB adapter on a different USB port on the computer better if you connect it on the back USB port of the computer tower and check if the computer will recognize it and if its recognize you can already continue with the software installation , but if not you can restart first the computer and check if the adapter will be recognized if still not the next thing to do here just to know if the adapter is good or bad is to connect it on a different computer and just to check if it will be recognized once its connected to a USB port , because a device should be automatically will be recognized by a computer once you connect it so if its still not recognized by a different computer adapter is bad...
You may have used a different USB port on the computer. Try a different one.
Generally, any USB port would work, except that some devices create a "Virtual USB" connection that is configured with a specific USB port.
I had a problem like this -- tried plugging the camera in to the rear USB slots not the front ones and it worked fine.
I think that it doesn't like going via a USB hub, but wants a direct connection. All of the USB ports on my computer are connected direct to the motherboard (i.e. none are on PCI cards or anything), but looking at the hardware info for the computer, it looks like the motherboard has a few "direct" USB connections, and then an on-board hub which the front ports connect to. If your computers are the same, that would explain things. I'd suggest trying each USB port one at a time (turn the camera off before plugging in, and back on when in) and see if one of them works. Wouldn't hurt to power the camera from the mains at the time too.
I had the same problem and was going crazy trying to figure this out, but I found that I had installed the GPX mw3816 on my bottom USB port and was trying to plug it into the port above it, because I had plugged another unit into the bottom port, but I switched the ports and it immediately installed. This is another reason, I am thinking of dumping windows and moving to a MAC. Peace!