Windows 7 Forums

Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.


Windows 7: All USB port are not working

18 Feb 2010   #11
neo101

WIN7 Ultimate 64bit
 
 

Quote   Quote: Originally Posted by whest View Post
I know this is a bit late, but I've just got some feeback on the unknown device and USB ports - basically to resolve this issue you need to shut down the PC, turn everything off for at least one minute, anyhow, the details are here : Unknown Device
Better late then never though!
To complete what you have said above for others (as this is a common problem)

Take your laptop battery out and the mains lead. Leave it for a minute or so for power to drain out of system.
This resets the usb chip which will then rediscover your ports etc when you plug power back in and switch on.

Has it worked for you?
If so don't forget to report to the Mods as problem solved for your "green tick"


My System SpecsSystem Spec
.

Reply

 All USB port are not working




Thread Tools





Similar help and support threads
Thread Forum
USB port not working
No USB port of my Dekstop PC is working.These ports can give power to USB device but no data is transferred.So USB mouse,pendrive,tv card etc. cannot work.There is also a little bit connection problem in audio port,Realtek audio port indicator continuously changing with the message-you have just...
Hardware & Devices
My mouse Usb port stops working. but starts working again after a day.
Hello! I'm using my laptop in a desktop mode. but some days when i start up the computer the mouse is on (Sees the red optical light.) But the cursor dont move when i move the mouse. when i drag the cable out and in again the ligh wont turn on. i change usb port and it works. 1-3 days later the...
General Discussion
DVD (not working) not found in Device manager, 1 USB port not working
I have a HP dv6910us Pavilion and the DVD is not listed in Device Manager. DVD Tray opens and light comes on but does not play DVD. 1st USB port on left side gets - USB Device Not Recognized.One under it works and one on the right side works. OS Windows7 Ultimate. It is running kind of screwy so...
Hardware & Devices
USB Port Not Working, Help!
My USB port wont work- If I put in a USB device I just get a message saying "USB device not recognised" . I've tried to uninstall it from the device manager and restart my computer but that doesn't do anything. Help !
Hardware & Devices
one of my usb port is not working
one of my front usb is not working......but the other usb in front and the mic and headphone O/P are working plz help.....whenever i put any hardware their it says unrecognized hardware and show problem code 43............ thanks in advance.....
Hardware & Devices
USB PORT not working
Hello everyone! My uncle recently reprogrammed my computer because it was old and he reprogrammed everything and installed Windows 7. Before the change the usb ports worked fine but now when i plug anything in to the usb ports it's not reading. I've tried going to MY COMPUTER and seeing if the...
Hardware & Devices

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 02:38.

Twitter Facebook Google+



Windows 7 Forums

Seven Forums Android App Seven Forums IOS App