Anything i put in my usb port won't work like my printer,webcam,digital cam. i have see this error that said "ACPI IRQ STEERING FOR PCI IRQ" it said that driver on this hardware doesn't match or wrong driver. I had reformat my hard drive and installed windows 98 but the original OS is windows xp professional,and after that this error occurs,my usb port won't work anymore. I already tried to install the driver but then the same error appeared. I think it's on configuration but i don't know where to configure my my usb port...may know some ideas on here?
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Re: possible usb malfunction?
Hi, well xp is a better OS than 98 ( i think) ... few things you should know that xp is pre-installed with lotsa drivers..but on the other hand 98 isn't .. so each time you put in a USB device you need to install the driver for that device( eg your camera, pen drive etc...) . this drivers would be there accompanied with your device. hope it helps regards bzoy
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There isn't really anything about a webcam that you can 'fix' - either it works, or it doesn't. However, before throwing it out, I would definitely try it in a different computer first.
Basic webcams work with Windows XP and up with no need for special software; if you plug one in, it should be detected and appear in "My Computer".
Trying the webcam in another computer will cover the possibility that your USB port has failed, or that the power has been turned off.
Oh... one last faint possibility: did you just add some new USB device? If there's a power limitation, your computer may have refused to spare some milliamps for the camera. Try unplugging any USB device you don't need, for a test run, just to be sure.
Is it connected via USB port? Do you have other devices connected printer etc. May be an IRQ problem. Depending on what platform you are running XP, Vista, etc Normally resolved in Device Manager. Is the Cam powered externally? can be due to non or low power output on USB hence not discovered. M
Check to see if something else will work on the side port. It may not necessarily be a dead port. Just something you should know too; I used to work for Wal-Mart in the electronics department and they had to recall all their firefly flash drives because they had a tendancy to malfunction. Try using it on a different computer, it might just be a dead flash drive. I hope this helps your problem and I hope your flash drive didn't have anything too important on it :x
Is the webcam USB? Try rebooting the computer with no other USB devices connected. If you're still having the problem try it through a separate mains powered hub. Webcams can often overload the USB ports on laptops.
Open device manager. (Settings, Control Panel, System) Expand system devices. Open PCI Bus, then IRQ steering. This should generally be enabled, but disable it if it isn't working for you.
When you restart the computer check the system bios (Usually "Press <del> to enter settings" to see whether you are allowing the operating system to control devices through Plug and Play. Either setting may work, but setting to Plug and Play Operating system is generally better with IRQ steering enabled. Try all combinations.
Although MS no longer supports Win98 you may find that Windows Updates still works. You should take whatever updates are available.
Oh God i have the same exact problem. I run XP Pro and USB ports all malfunctioned, after tyring EVERYTHING I reloaded windows and it worked.......for about 8 months, now I'm back to I can't use my printer, storage devices ANYTHING that plugs into the USB ports. I'm at my wits end. I'm thinking of throwing the compter out the window
your webcam might be having any irq conflict with any other device.
Right click on my computer (in winxp) then properties, click on hardware tab and see the list of hardware installed on your pc. right click on the camera software you've installed. in properties you'll notice a resource tab...see if you have any conflict message here.
If yes try reinstalling the cam.
hope it will work.
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