I have an ASUS A8Jc notebook which is using XP pro os... when ever i plug a printer or my mp3 player into a USB port it shuts power off to my machine. the only way to repower it is to unplug all leads and remove and re install the battery. the mouse will work fine. is this a software problem or worse?
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Hi, I haven't got a Dell but try this site for the USB driver that is missing. With XP there is no support for USB2, an updated driver is required. Did you download the drivers from Dell? If not, that could be why as they may be old drivers.
I upgraded my usb drivers -- I have windows xp pro -- i think they use all the same -- I used Realtek USB 2.0 card reader drivers. ( http://bit.ly/qeofyZ ) plugged it in (NOT in the front, but the back)_ & it recognized it after going to start, computer as "walkman" -- did a right click explore & all the data/music was still on the hard drive. then it showed on the walkman that it was charging & the battery was dead. i was previously using an AC usb adapter (plug in the wall) & it didn't seem to be charging it correctly -- so the computer works out for me & will only use that from now on -- fully operational.
It look that your player is drawing too much current from your Macbook Pro: it is rather unusual nowadays but does happen even with some USB external 2.5in drives! Solutions: 1) Buy a USB Power Adapter Y cable that plugs into 2 usb ports on your Computer an thus allows double the current (shop around as they are expensive on Amazon but pretty cheap on Ebay) 2) Plug your player via a 'Powered' USB Hub that can provide higher current (from its 'own AC/DC power pack') to each USB port on the Hub
Resetting your USB Controllers
I'm going to assume that you're running XP (home or pro). Recently I had to refresh my USB ports. This is the sequence I used.
1. Right-click My Computer and select Properties
2. Click Hardware
3. Click Device Manager
4. Expand the Universal Serial Bus Controller
5. Right-click each USB device listed and select Uninstall
6. Click OK to confirm removal of each device
Note: Repeat steps 5 and 6 until all devices under UBS Controller are removed
7. Shut down computer.
CAUTION: Ensure that the Shut Down option is selected instead of Restart.
8. Wait a few seconds and turn computer on. When it reboots you will see "Windows has detected new or added hardware"
Note: You will have to insert your Windows CD, if prompted.
These steps will refresh the USB ports.
Added Notes: 1) If your mouse is a USB you will have to use the
keyboard to shut down your computer. 2) It would be wise to unplug
everything from your USB ports EXCEPT your mouse and/or keyboard before
you restart the computer to avoid Windows replicating any printers,
scanners, digi-cams, etc. Once Windows has refreshed your USB
controllers and ports, shut down again. reconnect, and restart.
I have the same problem with the USB's not working. Suppliers say Motherboard problem. solved it by purchasing a PCMCIA to USB port. at least i now have 2 USB ports. you could probably get one with 3 ports.
The front side port may be a "low power" USB port, it may be possible to "power" this if there is the capacity to connect a power cable to the front panel USB adapter, or there may be an aux power socket to plug into on the motherboard.
The Mp3 player may need a powered USB2 supply and not a peripheral powered supply.
The only reason your other usb ports may not work is that the controllers need re-installing or they are not enabled; see this post:-