Question about IBM ThinkPad T42 Notebook

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USB Ports not recognizing installed devices

I have a T42P laptop with windows xp pro 2002 with service pack 2. When I put in a USB device it does not recognize it. In Device Manager, it says all the USB controllers are working properly, and that the USB Root HUB are all ok. I am so frustrated. HELP

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  • Anonymous Apr 01, 2014

    I have installed Windows XP service pack 02 on my Samsung sens x05. Then I plugged in my USB dongle in order to install it's drivers. The dongle is working (Huawei E320) and it's bulb is blinking. But the laptop does not recognize the dongle and there were no any message saying found new hardware. Also the VGA and sound drivers has not been installed. I have tried to install them with a driver pack. But I was failed. Please help me to solve this problem.

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Did it come with xp pro or home? pro does'nt have the drivers that home doe's. use a home disk to update the drivers with

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Posted on Dec 30, 2007

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1 Answer

LaCie is not visible in My Computer Windows XP Service Pack 3 Vaio laptop


click start control panel administration tools computer management device manager look through all of your devices if you see a yellow question mark?or exclamation mark ! or red x
right click to reinstall drivers or


if you can see your usb but its not working
ports(com&lpt)right click update driver


sometimes the wires inside the cable will be damaged due to bending or stretching or placing heavy equipment upon the cable


just replace the cable of the hard disk, when you plugged the external disk drive you got that windows could recognize the USB device change the cable everything should work fine again,

check the USB leads that attach to the motherboard usually red-white-green-black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems

if this fails to fix the problem
type in run "regedit" then press ok then you can see registry editor then locate below key. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11 CE-BFC1-08002BE10318} And remove upper filter and lower filter.

Then restart computer then check.


Also locate the below key and make sure it's value is 3 not 4. HKLM\system\currentcontrolset\services\usbstor make sure start value is 3 not 4


if still no luck
you might have to install a usb 2 or 3 card they are cheap and easy to install you can buy these on Ebay very cheap
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Hello,
Method 1: Initiate recognition of the USB device by using Device Manager loadTOCNode(2, 'workaround'); To initiate recognition of the USB device by using Device Manager, follow these steps:

1. Click Start, click Run, type Devmgmt.msc, and then click OK. The Device Manager window opens.
2. Click to select your computer as the location for the scan.
3. On the Action menu, click Scan for hardware changes.

Windows XP recognizes the new device.
4. Close the Device Manager window.

If this method resolves the issue, you are finished.

If this method does not resolve the issue, go to method 2.
Method 2: Disable power management of the USB hub loadTOCNode(2, 'workaround'); Note If you perform the following procedure, you may also reduce the battery life on a portable computer.

Use this method if method 1 does not work. To disable power management of the USB hub, follow these steps:

1. Click Start, click Run, type Devmgmt.msc, and then click OK. The Device Manager window opens.
2. Expand Universal Serial Bus controllers.
3. Right-click a USB Root Hub in the list, and then click Properties. The USB Root Hub Properties dialog box is displayed.
4. Click the Power Management tab.
5. Click to clear the Allow the computer to turn off this device to save power check box, and then click OK.
6. Repeat steps 3 through 6 for each USB Root Hub in the list.
7. On the Action menu, click Scan for hardware changes.

Windows XP recognizes the new device.
8. Close the Device Manager window.

If this method does not resolve the issue, go to method 3.

Click Start, click Run, type Devmgmt.msc, and then click OK. The Device Manager window opens.
Uninstall all the usb controller from USB controller
and now restart the computer.

If this method does not resolve the issue, go to method 4 .
Method 3: Restart the computer loadTOCNode(2, 'workaround'); To initiate recognition of the USB device, first unplug the USB device and restart the computer. Then, wait five to ten seconds before you plug the USB device into the computer or hub. Windows XP recognizes the new device.

Hope this helps.

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Sometimes windows XP doesn't install the driver to recognize your USB ports. For example, a fresh install of XP does not contain any driver for sound or graphics. The best way is to update your windows XP up to Service Pack 3 by installing SP1 and SP2... etc, it will take a looooooooong time, but your PC would be better.
To check whether or not you have any USB drivers install just go to control panel and then device manager. Look for Universal Serial Bus (USB)

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  • Click on the Start button and Select Settings. Then click on Control Panel.
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1 Answer

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This problem mainly occurs because Sony does not support connection though Hubs or for that matter Front Panel USB ports. Try connecting the camera throught the back panel ports (There are usually four to six of these depending on your motherboard.) .

If it still remains unresolved:
1. Update windows XP to atleast service pack two (If you havent already). Uninstall Picture Motion Browser.

2. Uninstall the camera from the device manager.
This is how to do it. Connect the camera, wait for it to show as an unrecognised device. Hit "Windows + Pause/Break" to bring up system properties. (Windows is the key next to alt, that brings up the start menu.). Navigate to the hardware tab and choose device manager. Expand the last tree from the list (One for USB devices) and delete the entry "Unrecognised Device" (Select it and hit delete). Shut the device manager. Disconect the camera.

3. Now, connect the camera the one of the USB ports on the back of your PC and power it on. It should show up as a PTP/Mass storage (depending on your camera settings) device.

4. If it still doesn't work, disconnect all other USB devices from your PC and then repeat from step 2.

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Hope this solves your problem.

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Hi,
this is a common error with operating systems and devices.
If you go into my Computer/system/device manager. And remove the installed USB devices. shutdown the computer, and reboot it. then try putting your USB device in.
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Hope this helps Mike @ Compurepair.

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1 Answer

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Hello Silvertop01,

This is Romeet, id like to help you with the problem. Unfortunately it seems a lot of things that you love :) wont work right? well, Let me know if you are running windows xp with what service pack? service pack 1 or service pack 2? to do this, right click the icon " My Computer " and select properties,a system properties dialog will open, on the top right you should be able to see:

System:
Microsoft Windows XP
Professional / Home ( Depends what you have )
Version ( 2002 )
Service Pack X ( X could be 1 or 2 )check this and let me know

B.Regds
Romeet

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