Question about IBM ThinkPad T40 2373 Notebook

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Problem with USB 2.0



I have two USB ports on my coputer.

I recently reinstalled Win XP on the computer and now the computer says I have four USB ports, one of which is a USB 2.0 and the others are older versions.

In reality the two USB ports that I do have should be 2.0 but they only work as 1.1


Any suggestions?

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Re: Problem with USB 2.0 - IBM ThinkPad T40 2373 Notebook PC Laptops

Upgrade to service pack 2.

Posted on Oct 24, 2007

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Installed win 7 but want restore to xp

To reinstall win XP from usb flash drive you need WIndows XP cd, 1 gb flash drive and Novicorp WinToFlash. Download WinToFlash to your computer and follow instructions to transfer Windows XP from cd to flash drive, After that boot your notebook from usb device and select "TXT Mode Setup Windows XP, Never unplug USB-Drive Until After Logon" then install win xp normally, but format C partition. After first start of your notebook boot again from flash drive in "TXT Mode Setup Windows XP, Never unplug USB-Drive Until After Logon". Now windows is starting, go to start/my computer right click on it and go to properties in this windows go to advanced tab and there go to startup and recovery, click on settings, in new window go to edit tab and in new window change the line "multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP" /noexecute=optin /fastdetect" after windows XP write the type of your XP Professional, Home Edition, or Media Center. Now you can remove usb flash drive and boot normally from hdd.

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Usb port on presario F500 quit working, they are seen by device manager but will not reconize a flashdrive when incerted, a mouse or any thing else. Using win 7,64 bit t3500 cpu.


This should be pretty easy to fix. I have seen this many times before. Here's what to do:

Go into device manager and expand 'universal serial bus controllers'.

Start at the very bottom, and start deleting the usb root hubs one by one. You will lose your touchpad control at some point, as the touchpad is actually a usb device. One of thwo things will happen.

1. The usb hubs will automatically be re-detected and re-installed.
2. You will just lose touchpad control after deleting one of the root hubs. If this happens, then shut down using the power button, and restart. Th usb hubs will be reinstalled once you log back into windows. Please let me know if this doesn't fix it.


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Ethernet-controller drivers for Acer Aspire 5520-5908 XP

Find a USB memory-stick, and find a computer with Internet access and an available USB port.
Put the memory-stick into the USB slot.
Browse to ACER's web-site, and select your specific model of the Aspire line, and select Windows XP, and select network-controllers, and download the device-drivers, and copy them onto the memory-stick,.
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Hi Roger,

The Windows command you used to uninstall the USB port is correct. If they all work bar one, then i think its safe to say it's possibly a hardware issue.

The only other fix i can think of is to update the BIOS with the latest version from the Dell support website.

Good luck.

Nov 12, 2009 | Dell Latitude D600 Notebook

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I reinstalled my OS win XP . now no usb

Open Run and launch regedit
Browse to the following location
In the right pane, look for an entry named Start. If you find one delete it. Your USB devices should start working immediately.
If not please report back.

Nov 11, 2009 | Acer TravelMate 240 Notebook

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Cant use my usb

Refresh and reinstall USB Ports Of Your Computer Hello there, the other day i tried refreshing and reinstalling the USB ports on my PC, as some of my connecting devices are not recognized. I present the detailed procedure on refreshing the USB ports.
Let’s go!!

Here are the steps to refresh/reinstall/uninstalling the USB ports on the computer.

The USB port needs to be refreshed to make sure that no other device has captured the USB port of the computer. The Mouse, video camera, your external USB hard disk; what ever it may be.

Follow the steps given below to refresh USB ports.

1. Right-click My Computer icon on the desktop, and then select Properties.
2. Click the Hardware tab.
3. Click the Device Manager Button.
4. Click the plus (+) sign to the left of Universal Serial Bus controllers.
5. Right-click the device listed under Universal Serial Bus controller and select Uninstall.
6. Click OK to confirm the removal of the device.

Please note, repeat Steps 5 and 6 until all the devices under Universal Serial Bus Controller are removed.

7. Shut down the computer.

CAUTION: Ensure that the Shut Down option is selected, instead of the Restart option.

8. Wait for 5 seconds and then restart the computer. When the computer restarts, a "Windows has detected new or added hardware" message window will open.

The above steps will refresh the USB ports.

Now connect the USB devices like mouse, video camera, your external USB hard disk...USB hubs...whatever you like and the drivers should install automatically.

Tip: It is always recommended to connect the main USB devices at the rear end USB port. As they require more power to initiate.

The above steps are for XP operating system. When coming to the matter of Vista, please note the changes below:
1) Right-click Computer icon from the desktop , and then click Properties to open the System Properties window, and then select the Device Manager tab.

2) Click the Plus (+) sign next to Universal Serial Bus Controllers/Root hub.

3) Click the USB Composite Device entry to highlight it, and then click Remove. If a screen appears to confirm the deletion, confirm the deletion.

4) Disconnect the USB cable to the all-in-one, wait a couple seconds, and then reconnect the cable. This should restart Windows device detection (Plug and Play).

5) A New Hardware found screen may appear, click next through all of the screens that appear for the Wizard to install the USB Composite Device. Click Finish once the wizard completes.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

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