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Windows 7: Is it possible ALL 6 USB ports to not work ?

05 Dec 2012   #1

 
Is it possible ALL 6 USB ports to not work ?

I have plugged in a device into all 6 ports and none work, even after a start up...

My System SpecsSystem Spec
.

05 Dec 2012   #2

Dual-boot: Windows 7 HP 32-bit SP1 & Windows XP Pro 32-bit SP2.
 
 

Please update/complete your pc specs, so we can help you.
My System SpecsSystem Spec
05 Dec 2012   #3

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by Lgee3ree View Post
I have plugged in a device into all 6 ports and none work, even after a start up...
plug in another device for example keyboard/mouse/usb stick. Works?
My System SpecsSystem Spec
.


05 Dec 2012   #4

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Quote   Quote: Originally Posted by Lgee3ree View Post
Is it possible ALL 6 USB ports to not work ?
Yes. Very possible.

Your USB ports are all connected to one controller on the motherboard - usually part of the Southbridge chipset.

There is normally a setting in the BIOS that allows you to enable or disable that controller. You might look into that first.

There is also a driver that runs the USB controller. You can try reinstalling that driver to test. This can be done by "Removing" all the devices listed under USB in Device Manager and then restarting the computer.

And then there is the possibility that the controller chip or the Southbridge chip itself has be damaged. This can happen on motherboards with poor ElectroStaticProtection circuits where a static spark from handling the USB plug fries the circuit.
My System SpecsSystem Spec
06 Dec 2012   #5

 

Thanks all... will try the Removing and restart....
My System SpecsSystem Spec
06 Dec 2012   #6

Windows 7 Ultimate x86
 
 

Look for a usb drive that has a light that indicates its power.thats what i used to check my faulty usb port.if it lights up but not detected then it musb be soubridga etc.if no light then port might be broken
My System SpecsSystem Spec
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 Is it possible ALL 6 USB ports to not work ?




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