device works on some usb ports

My iPad has stopped working on the USB port in the front on my PC. It keeps connecting and disconnecting.

It works fine when connected to a USB port on the back of the PC.

In windows, each USB port has its own driver.  This is why you see the message "installing device drivers" in the notification area when the device is plugges on a unused usb port...

How can I remove the driver for the iPad that is associated with tha front port so that the iPad is recognized properly by Windows?

Thank you.

Frédéric

The problem could be that the bus from the front port has other pulling just enough power for
make a difference or other hardware issues.

If it is not material, these steps can help.

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


References to Vista also apply to Windows 7.

Follow these steps to remove corruption and missing/damaged file system repair or replacement.

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

sfc/scannow

How to fix the system files of Windows 7 with the System File Checker
http://www.SevenForums.com/tutorials/1538-SFC-SCANNOW-Command-System-File-Checker.html

Then run checkdisk (chkdsk).

How to run check disk in Windows 7
http://www.SevenForums.com/tutorials/433-disk-check.html

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

Then lets refresh the USB stack

Control the click Control Panel - Device Manager - no matter where in the box of white/white - then the VIEW - see the
Devices disabled - look around (with the exception of USB controllers) for your devices (can have
zero or more than one) and top - right click UNINSTALL.

Control Panel right CLICK on EVERYTHING - Serial USB controllers - device configuration-manager and
UNINSTALL all but the category itself - REBOOT - it refreshes the driver and battery USB

This KB shows XP how to and methods of Vista and Windows 7 are the same
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 tick three 1
are there choices to see if any.

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

You must remove all instances of the devices and restart.

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

If necessary try these two:

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

I hope this helps.

Rob Brown - Microsoft MVP<- profile="" -="" windows="" expert="" -="" consumer="" :="" bicycle="" -="" mark="" twain="" said="" it="">

Tags: Windows

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