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None of the USB ports work after the motherboard was replaced on my LG laptop model LGR51

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You need to go to the LG Support Website and find your model Downloads/Updates Page. Download/Install any/all Updates for your system there and that should solve your issue.

Posted on Jul 30, 2010

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Lg xnote lm50a usb not working


Are all the USB ports dead? Remove the battery and let it refresh, if the ports still don't work you have a problem in the motherboard most likely. You can email LG product support and ask them (it is free), then can give you some testing procedures to confirm the problem with the USB ports is the motherboard.

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My laptop is an HP Pavilion dv 8309us and when none of the 4 USB ports recognizes any device. A message appears "USB DEVICE NOT RECOGNIZE, ONE OF THE USB DEVICES ATTACHED TO THIS COMPUTER HAS...


I think the problem lies in a damaged USB controller on the laptop. The fact that none of the ports work, indicates that either the power to the ports has failed, or more likely the circuitry controlling the USB hub has failed. Sadly You will most likely need to replace the motherboard

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Hi, my Lap top usb port is not working when i checked with one of hardware guy hes telling that usb problem and need to be change motherboard for laptop. Please let me know we can get only usb port in...


As an alternative to replacing the motherboard. Purchase a PCMCIA USB card and insert it into the PCMCIA slot in your ThinkPad. Use this USB card for your USB devices, cheaper than replacing the motherboard if you can get one. This model ThinkPad is old.

Jan 24, 2011 | IBM ThinkPad T43 Notebook

1 Answer

We have recently purchased an Intel I7 processor and installed it into the ASUS P6T motherboard. We have also installed Windows 7 OEM builders operating system (not an upgrade version over windows XT). The...


Run "Windows Update", to see if it will find updated device-drivers for the specific USB hardware on the motherboard.

Access the ASUS web-site, and search for 'P6T', and search for USB device-drivers for Windows 7 -- if none are found, try the device-drivers for Windows Vista.

Jan 22, 2010 | ASUS P6T7 WS Supercomputer Core i7 / Intel...

1 Answer

My magic jack is not being read by my acer notebook


when you plug it in does anything come up? If not then go ahead and try different usb ports and see if its read by any of them. If none of your USB ports read the magic jack and you know the USB ports work cause you can hook other devices to them then that means the magic jack is bad and would need to be replaced.

If none of your usb ports are reading any devices then that means the motherboard is bad at that point.

Aug 06, 2009 | Acer Aspire 3680 Laptop

2 Answers

My usb ports on the back of my motherboard dont work


Check that the USB and LAN functions are enabled in the board's BIOS setting. If everything is set properly and they still don't work, you could have a bad motherboard. Check into the warranty if the board is new enough, or just use expansion cards to replace the lost functions.

Jan 27, 2009 | EliteGroup PM800M2 Motherboard

1 Answer

I cant get any mouse to work on my dell laptop.


see the very first thing is that what u can try is that try and connect the same mouse that u had and that had worked and if works then the prob is with the mouse that u have right now and if that also doesnt work then the usb port on the laptop has gone bad and u need to replace the motherboard of the computer but before replacing the motherboard try and connect some other usb device on the same usb port.........

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2 Answers

USB Ports Not Working


Check your settings in your BIOS for the USB ports.

Apr 28, 2008 | Toshiba Satellite A105 Notebook

1 Answer

My D820 USB ports are not functioning properly


Try reinstalling the drivers for the USB by going to device manager.Just uninstall the usb hub drivers and restart the system.Once you restart it, it will reinstall the drivers on its own.Inacse this does not work you would have to get the ports replaced by getting the motherboard replaced

Nov 19, 2007 | Dell Latitude D820 Notebook

1 Answer

USB Ports Not working


you need to go to device manager and look in the list at the bottom for the usb root hub and see if there are any red crosses or exclamation marks, red crosses mean device dissabled, exclamation means not recognised and no suitable driver. click on the link below and select motherboard downloads for the usb drivers http://support.gateway.com/support/drivers/search.asp?param=usb&st=kw If you do find that the motherboard is faulty, then you can purchase a PCMCIA USB 2.0 card, as long as your notebook has the PCMCIA slot, as i am sure it has.

Jul 03, 2007 | Gateway 4540GZ Notebook

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