Go to your bios jumper setting and remove the jumper and replace it on pins 12 turn on computer go to adavance look for the usb and enable the usb ports turn off unit and put the jumper back on 23 number one (1) pin is closest to battery. This will work have done it for my son's computer and everything is working great.
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It sounds like you have a USB port(s) problem. Did you check them in Device Manager to see if they work ok? Did you try a different usb cable? You surely need Windows Service Packs installed in order to get USB 2.0 compatibility and speed. Without the service packs you will only get USB 1.1 compatibility and speed. But of course, the USB controller must be a USB 2.0 Controller before it can attain USB 2.0 compatibility and speed. There is no software that will make a USB 1.1 controller a USB 2.0 Controller. If your current USB controller is only 1.1 compatible, you will need to obtain a high speed USB 2.0 controller card or bus card. The easy way to tell if the current installed usb controller is 2.0 is to open Device Manager and click the + button next to USB Controllers. If you see the word "enhanced" anywhere beneath, then the controller is a USB 2.0 controller.
Make sure that you have the proper driver installed for your USB interface. Your motherboard should have come with a CD, or you can go to the motherboard manufacturers website and download the latest chipset drivers.
Once they are downloaded, install them and re-start your PC. Windows XP will then recognize a whole set of new components and allow your card to run at higher speeds.
You are looking for the PCI Bridge driver in particular, but I would recommend installing ALL the drivers that are available from the motherboard manufacturer.
On some laptops that are older (an IBM R40 is a bit older) there are no high speed usb ports but if you plug in a usb device that is USB 2.0 into a usb port that is not high speed, the operating system (Sounds like Windows XP) will display that message even though you don't have a high speed usb controller. The USB device will still work but at a slower speed. You can ignore this message without a problem
If you do turn off USB 2.0, you may have two options, "Full Speed" and "HiSpeed". Make sure you use "Full Speed", as it's faster than "HiSpeed".
But the real answer is that you need to install the USB driver for your motherboard. If it came with a CD, insert the CD and read the instructions on installing drivers from it; otherwise, check Asus's website under the Support/Downloads section.