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No driver problem

When I plug my Mp4 to charge it, the screen is still black, and then my computer says that it is an unknown device. I trouble shoot, and it said no driver installed. Can somone sxplain, and help me?

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  • 8 Answers

If its a sony there might be a reset button on the back of it. if there is push it and try to turn it on.let me know if it doesn't

Posted on Apr 23, 2009

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Posted on Jan 02, 2017

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Kodak cd83 easyshare


First check the batteries (are they fully charged, are they inserted correctly). Next connect the camera to an AC adapter (if available). Try to turn the camera back on. If it works, then try different batteries. If the camera is still not working, after checking the trouble shooting section in your camera manual, call the camera manufacturers support desk.

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Hello and Welcome to FixYa!
Please explain your query in a bit detail, the device model, What exactly is the trouble you are facing, and how old is the unit! And other details, that you think, is necessary, for proper trouble shooting.
Hope to hear from you soon.


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I have a Craig mp4 .. but I'm trying to use it but i do not how .. because when i connect it to the computer it is not recognized by the computer please help me


Hi, Are you getting a "USB device not recognized" error whenever you plug in a USB mouse, keyboard, or other USB device? I love USB and have 5 ports on my computer so that I can connect my mouse, keyboard, camera, phone, and printer to it all at once!

However, last weekend, my computer stopped recognizing my USB devices! The strange thing about it was that the USB ports were not bad because all of my devices were still getting power to them. I could still charge my cell phone without a problem!

usb device not recognized

So I started with the normal fixing methods, including uninstalling the drivers for my devices and reinstalling them. That didn't work! Next I tried System Restore thinking that maybe I had installed something and it caused a conflict with the USB system drivers. That didn't work!

I read online that in order to fix this problem I should go to Device Manager and uninstall all of the devices under USB Controllers. Restarted the computer, reinstalled the USB drivers, but the problem STILL did not go away!

You may also see in Device Manager that the device shows up as an "Unknown Device".

unknown usb device

So how did I finally fix the problem? Well, apparently it's a super simple solution! No need to edit the registry, uninstall drivers, or anything of that sort.

Simply UNPLUG YOUR COMPUTER FROM THE POWER SUPPLY. Yes that's it! Note that this does not mean just turning off your computer because modern computers don't really turn off when you press the power button as the motherboard still gets power.

First to explain, the motherboard is where all of hardware of the computer is connected to, including the USB ports. Sometimes the motherboard needs to be "rebooted" also because something can go wrong, i.e. all your USB ports suddenly stop working. The small microprocessor on the motherboard will reload the drivers and your USB ports should be back to recognizing all devices!

So first turn off your computer using Shut Down or pressing the power button and then UNPLUG it from the wall outlet. Let it sit for about a minute and then plug it back in.

Hope this helps someone fix that pesky "USB device not recognized" Windows error!


Have a nice day...

Mar 02, 2011 | Audio Players & Recorders

1 Answer

How do I download music onto my MP4 player please?


You should have received a data/charging cable with it.
Plug it in to a USB port on your computer.
The computer should recognize it as an external data device like a thumb drive, and you can copy music to it.

The computer may need a driver to tell it what it's looking at, and if one is required it is usually provided on a CD that came with the player.

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It could be a fake song. If you downloaded the song if the interweb. If not then you might have to talk with your mum about it. Sorry...

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First of all, if you are attempting to plug this device in to the frontusb port or to a usb hub, try plugging it directly in to one of theback usb plugs of your computer as this is going to be a true "usb 2.0"port. That is, of course, if your motherboard suports USB 2.0. As withmost new devices, they are all usb 2.0 and only some will be usb 1.1(the older version) compatible. As well, some usb players will havesoftware that is not necessarily required to "see the unit" on theother hand, some do have device drivers that are required (as in thecase of the toshiba and creative units), in order to utilize the builtin software functions.

One other thing you can check for is the device manager (right click onMY COMPUTER and select PROPERTIES then click on HARDWARE tab andfinally DEVICE MANAGER) Here you should see no "yellow" exclammationpoints which would be telling you of a device conflict. If youcurrently have your unit plugged in, you may notice the "unknowndevice" which would be your unit. By clicking on any item that has theexclamation and REMOVING it. Removing all devices with conflicts andthen clicking on REFRESH (search for new devices) it should once againattempt to install the device. If you are still having troubles, Iwould be visiting the manufacturers website and reading any FREQUENTYASKED QUESTIONS (faq's) regarding the device as well there are quiteoften updated device drivers available from the site in which you mayor may not require.


http://tpsconsulting.com <-- visit my website for many more TIPS and SOFTWARE/SUPPORT whereyou can learn how to OPTIMIZE your computer and the install many usefulprograms which will help keep the spyware/malware out of your system.

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Updating, or uninstalling then reinstalling your USB drivers might work. This is more of a computer problem than a Tom Tom problem.

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Try and plug it in your computer once again and see if the hour glass budges. Then safely remove it by clicking the "Safely Remove Device" Icon on your PC tray (where the clock is on a PC)...

If not, theres probably a software reset hole at the back or sides of your mp4 player, try pushing it with a toothpick or similar pointed thing.

If all else fails, have it replaced...

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