Question about Acer Aspire M3450 Desktop Computer

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Usb\root-hub vender id 0x1002 product id 0x4397

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  • Acer Master
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W 7
First, please disconnect all USB devices and then perform the following steps: Click "Start" button, type "devmgmt.msc" (without quotation marks) in the "Search" bar and press "Enter". Click "Continue" if necessary.

In Device Manager, double click to expand "Universal Serial Bus controllers", right click on the Host Controller, click "Uninstall" and click "OK".

Repeat the step 2 to uninstall all items under "Universal Serial Bus controllers".
Then, restart your computer and Windows 7 will reinstall all USB controllers automatically.

for XP or earlier

Click start right click on computer select properties device manager scroll down universal serial bus controllers you could see a yellow question / exclamation mark? ! or a red X

you will need to update/reinstall drivers right click to reinstall drivers

if you can see your usb drive but its not working
ports (com&lpt) right click update driver if this fails to fix the problem

Check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems to a computer and its parts

Posted on Mar 25, 2014

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Posted on Jan 02, 2017

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1 Answer

Usb mouse not working


Solution is to re-install USB Root HUB > Make sure you disconnect all USB devices before you follow these directions. Use a PCI mouse and/or Keyboard to do the following. You may try using a USB mouse, but often times you'll uninstall your mouse's USB Root HUB before you completely uninstall all the other USB Root HUBs making your mouse useless. Follow the steps in the link over and over until all USB Root Hubs are uninstalled. Restart your PC and then slowly add one USB device at a time.

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Issue:: USB DEVICE DOES NOT recognize

___________________________________


Manual Troubleshooting for this issue::

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