Finger mayhem

I have a HP Pavilion DV7-2126oe and have recently upgraded to Windows 7 Home premium Bit.
Now I have several problems that i have been unable to fix. One is the finger Print reader not being recognised. Also any wireless mice i use whether it be a microsoft or logitec one doesnt work. The computer doesnt even recognise when i have put their respective dongles in the usb ports.
On the device manager list i have two unknown devices on my USB controllers branch. both have a device status with a code 43 error.
I have tried the trouble shooting route to no avail, and have tried reinstalling all drivers for my laptop from the hp site. The Hp udates didnt do anything either. The only thing that fixed it was a clean windows 7 install, then a week later the problem pops up again. From what i can see no windows update is responsible.
I can't even use the touchpad and type without the cursor jumping all over the screen, so i haven't being using my laptop much.
If anyone can help i will be eternally grateful.

Hi shabin919,
Your ProBook 4540s is a commercial product and to get your issue more exposure I would suggest posting in the commercial forums. Here is a link to the Commercial Notebook forum.
Thank you,
Please click “Accept as Solution ” if you feel my post solved your issue.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Thank you,
BHK6
I work on behalf of HP

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Finger mayhem

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