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Yesterday everything worked perfect. Today none fo the USB hubs work. BIOS settings are enabled. Also removed USB controllers and rebooted. Nothing works. Thanks.
The reboot did not locate new hardware?
Do they still make a usb card that will plug intio the PCI slot? If so way to go is just put one in. or new MoBo
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check this things 1.make sure the minimum hardware and operating system requirements of the hardware to be installed are met. 2.just make sure the latest bios code is installed. 3.then make sure the usb is enabled in the BIOS. power on the system, press f1 to access the system configuration utility.click devices and i/o ports and then click usb. 5. make sure the usb controller and hub are listed in the device manager as will as any installed devices for the usb option. 6. then you can try the device in all available usb ports.if it works in other usb ports, the non working ports probably defective.
measure the voltage of the usb ports. if it is higher than 5v, than you have a problem. in this case you have to buy a usb hub and connect it through the pcm cia port.
but for your safety reinstall your os first and see if this happeneds again
Check that the USB and LAN functions are enabled in the board's BIOS setting. If everything is set properly and they still don't work, you could have a bad motherboard. Check into the warranty if the board is new enough, or just use expansion cards to replace the lost functions.
please have it check in your bios if its enable or not, if its not then have it enable and restart your computer, this usually happens when we did not properly remove usb devices . If you dont know how to go to bios, just remove the other devices and restart your pc then put all those devices back., except for the mouse and the keyboard.
Sometimes USB can be enabled in BIOS set-up. Most often it is the chipset that needs updating.
If USB support is enabled in BIOS, Then download eversesthome run the program click on the <+> by motherboard, Click on chipset click on NORTHBRIDGE, google chipset id for updates.
one way would be to download and install latest device drivers from the net. it should help.. if you are using win XP, there is likely a BIOS or Windows configuration problem. On some computers there is a configuration option in the BIOS that asks whether an IRQ should be assigned to USB. Although the option's actual wording varies among BIOS manufacturers, you must enable this option by setting it to either On or Yes (depending on your BIOS manufacturer and BIOS version). Otherwise no USB devices will work on XP. A problem with Windows XP’s USB Controller configuration can also prevent any USB devices from working. To determine whether the USB controllers are working properly, open Device Manager and expand the Universal Serial Bus Controllers node. Beneath this node, you should see a USB Universal Host Controller and a USB Root Hub. Depending on your PC, there will either be a USB Universal Host Controller and a USB Root Hub listed for each of your computer’s USB ports or a USB Universal Host Controller and USB Root Hub for multiple ports
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