USB driver on my pc not shown when connected

I've always been able to connect my MP3 with my USB to my system to download my music files, but lately when I tried this, it does not work. No mp3 symbol or it does not load the internal software. Help, please

Hello

Set the MP3 MTP Mode for WMP11 sync - mode MSC to treat the MP3 as a reader.

----------------------------------------------------------------------------

If necessary:

Tips for solving problems of USB devices - and a Mr Fixit
http://windowshelp.Microsoft.com/Windows/en-us/help/c39bd203-f729-47a4-8351-83291e13c8a81033.mspx#EGB

Hardware devices not detected or not working - Mr. Fixit
http://support.Microsoft.com/GP/hardware_device_problems

Make sure that Windows is updated appropriately that there have been several USB updates.

1 check that the driver letters for them, for a player, if the drive of the default drive letter is changed, what is happening.
Mine was h: I added a device that took H: and the player stopped. So I put it back to H: and the other
device to J: and everything worked again. If necessary start - type in the area of research-> disk management find top
-Right-click on it - RUN AS ADMIN

Don't forget to remember the MP3 must be set to the PSG to sync with WMP, and meteorological service of Canada to copy and delete files
and update the firmware.

If no joy follow these steps:

You may need a powered hub. (all the USB ports on your computer are not powered, often only 2)

Try these:

Make a Restore Point

Control Panel - Device Manager - click in the empty area - VIEW - show hidden devices

Here, your devices are the MP3 player.

Now look everywhere EXCEPT the USB controllers for your devices (cannot be found) and if you find
It RIGHT CLICK and UNINSTALL all.

now go to the USB and UNINSTALL ALL controllers in the category, but the category itself.

APPLY/OK

RESET

This refresh battery USB and hopefully it will allow the unit to install. (You may need a powered hub)

Here is the similar procedure under XP, Vista is the same, except that we need clear specific devices, as appropriate.
http://support.Microsoft.com/kb/310575

This is a utility to help you, but do 1 above.

USBDeview is a small utility that lists all USB devices currently connected to your computer, as well as all USB devices that you previously used. Run Options and check the 1st three choices to see if one is there.

http://www.NirSoft.NET/utils/usb_devices_view.html

You must remove all instances of the devices and restart.

-------------------------------------------------------------------

If the above does not work (and it should be considered the preparatory work).

This works for any MP3 player when the USB stack is not corrupted:

1 player to delete and restart computer - switch to MTP mode on your MP3 player

Regardless of what brand of MP3 you have

1. check this Just In Case

http://KB.SanDisk.com/app/answers/detail/A_ID/42/kW/E200 * / page/2/r_id/101834

2. does not present (web page as reference)

http://KB.SanDisk.com/app/answers/detail/A_ID/192/related/1/kW/E200 * / page/2/r_id/101834

In XP: Start - RUN - CMD

In Vista: (Do this way!)

Start - type in the search box - find CMD top - RIGHT CLICK – RUN AS ADMIN

Copy and paste this command into windows XP or Vista CMD - press enter

NET local service localgroup administrators / add

3. then follow:

http://KB.SanDisk.com/app/answers/detail/A_ID/139/related/1/kW/E200 * / page/2/r_id/101834

I hope that your MP3 now works.

-------------------------------------------------------------------

Only if necessary:

Try a system restore before what happened:

How to make a Vista system restore
http://www.Vistax64.com/tutorials/76905-System-Restore-how.html
I hope this helps.
Rob - bicycle - Mark Twain said it is good.

Tags: Windows

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