Question about ASUS P4GE-MX Motherboard

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Usb ports not work simultaneously,only one at a time, using first port and attach usb at the other port,it will disconnect the first attach port.  i already upgrade my power supply from 350 watts to 500 watts  but still encountering the same problem. i'm using O.S. XP SP2. pls send me solution. thanks

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  • 97 Answers

You need to have a look in the BIOS settings for the USB port settings

Posted on Mar 02, 2008

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My ibm r50e usb ports are not wrkng pls smebdy hlp me?

When you say they are not working...
Is there power to the ports (when you plug something into them does the activity light on the device come on?
Are the defective ports the primary ones attached to the motherboard or expansion ports on the front of the case?
Is it a windows o/s failing to recognise them?

If the primary ports on the back of the PC aren't working try deleting all USB branches in the device manager on your windows PC and reboot - they should all reinstall automatically...if they don't your m/b is probably defective.

If they are expansion ports check the main ports on the back of the PC.

It is possible to kill a m/b by plugging daft stuff like fans/lights and remote control missile launchers into your USB ports :-)

Oct 03, 2011 | Intel CELERON 2.66Ghz CPU AND MOTHER BOARD...

1 Answer

USB port gives new message "unknown device"

hello allan213

my name is ausi.

is it on all usb ports only one of them if it is in only one of them then the message you getting generaly means one of thw follwng.

1- if it is in only one of the ports then try it with a different device as well to see if it is the actual port or not.

2- the device you have plugged in needs to have drivers installed. normally should have been supplied with it.

3- the device you plugging in is faulty and the system can not access it.

4- the system usb ports are overloaded. (too many usb devices connected simultaneously)

good luck

Jan 05, 2011 | Intel Motherboard

1 Answer

Hello i m having a problem with dg 35 ec usb driver

I have experienced similar usb problems if an usb device is attached during the installation of the operating system. If you are using the front panel usb port of the casing, make sure that they are properly connected with the mother board . try the usb ports attached to your motherboard at the backside of your casing.

If the ports at the back are not working, follow these steps:

1. Remove all usb devices
2.Go to the device manager
3.Remove the usb related hardwares usually under universal serial bus controller.
4. Reboot.

Hope this works.


Jan 30, 2009 | Intel DG31PR Motherboard

1 Answer

Startup after a restart or shutdown

Hello hiflyer1:

First thing with the usb items removed, go to control panel/ system/ usb ports. Here you will be able to see if the usb ports are correctly working.

You may need to re-install drivers for these ports or all USB.

If that is all okay, and you can see that the usb ports are working and seem to be set up correctly, then,...

You may need to test each item you connect to the usb.

But, I suspect some problem is with the usb internally. Drivers or not set correctly.
take care,

Sep 02, 2008 | Biostar TP35D2-A7 SE Motherboard - 5.0,...

1 Answer

USB Ports Stopped Working

Check in and see if there is a firmware upgrade for that particular motherboard.

Jul 14, 2008 | MSI RS482M4-ILD Motherboard

1 Answer

Usb host controller


There are no drivers to install if you are not using Windows98 but are using an OS that is more recent. As to adding devices to your USB ports and those devices, such as a printer, needed to be attached to the port in a a proper sequence... usually after the software is installed and the software instructs you to do so. Same goes for the Scanner and the Mouse.

What to do? Uninstall the software for those devices, un-attach them from your system. Reboot and then install the software first and when instructed to do so attach the USB cable to a port. Do that for each device and reboot first if asked to before proceeding to the next device.


May 21, 2008 | Soltek SL-75FRN2-L Motherboard

2 Answers

USB ports suddenly not functioning

hi, see if you have installed any new devices/hardware to see if its conflicting, often grafics cards conflict usb devices, also just check that in the setup(when you boot up)that the usb ports have not been disabled or usb keyboard support hasn't been enabled/disabled. good luck!!

Apr 01, 2008 | EliteGroup nForce3-A Motherboard

1 Answer

Usb ports did not work, but when i attach usb mouse it power on and also flashdrive it only power on but not detected

Are the USB drivers for your motherboard installed correctly? If they are, you may need to enable the USB ports in your BIOS. Hit delete repeatedly while it boots up and enter the BIOS settings. Try to find something that indicates whether the USB ports on your motherboard are enabled. 

Oct 12, 2007 | ASUS P4GE-MX Motherboard

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