I'm down to one usb port, the computer is less than five months old! (First and last toshiba for me)
Really need usb ports as i'm using the computer for music (lots of midi ins).
Feel free to ignore this next question, I just want a quick gripe.
Why does everyone keep telling us how wonderful toshiba computers are?
This is without question the worst computer we have owned. It is so glitchy that I really can't believe we bought it less than five months ago, and looking on the internet a lot of people seem to be having similar problems.
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Re: Usb problems on u400 (a40)
Make sure that dust has not fill the port use compressed air ,buy a can from walmart or any biglot store ,next check to see if you have device conflick ,the easy way to fix this is buy a usb hub $6 biglot powerd one are even faster you can connect up to a100+ in a daisy chain .problem solved
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The usb ports don't need drivers to work in basic mode. Sounds like the supply to them has failed. Try and get your laptop replaced and remember the last usb device that you plugged in. don't use it again. It was probably faulty.
First determine that the USB port isn't dead. Do other things work in that USB port? If the answer is yes we know it's not the port. Have you tried another USP port? If it doesn't work in another port (or on another computer's USB port) then it's the adapter itself.
Adapters can go bad. USB ports usually work and don't go out. The exception is that many laptops that come with several USB ports sometimes have one (or more) that never did work.
Try it on another computer. This is one last step to determine if the adapter itself is dead and that it isn't something on/with your computer.
It also could be that the computer has the old USB 1 port and the adapter needs USB 2. (USB 1 was slower).
go to Frys, and get a PS2/USB adapter module, and plug your keyboard and mouse into a USB port. Or get a new one...all the new ones are USB now anyway...no one uses PS2 anymore unless they have a really old computer...and if you do, it's not going to last forever, so be prepared. This sounds like a motherboard issue.
I have the same issue. I have 4 Simpletech Signature 250GB drives. They all worked fine at first. After about six months two of them started connecting at USB 1 speeds. It occurs on 4 different computers!!! The post about it being the computer assumes is wrong. How can it work fine for six months and then suddenly change. Also it occurs on different computers. I have submitted a tech support request with simpletech and will post the results.
I had the same problem on a toshiba satellite u400. Usb over current on port ... blabla.. Please press F1 to resume or F12 to install. F1 just ended up in a screen asking to press F2 or F12 which did nothing. F12 did nothing.
Rebooting the pc ended in a black screen with a flickering HD symbol.
To be able to boot again on the BIOS I had to remove the battery and disconnect the plug. Once It restarted booting on the error USB over current.
Si I took a USB mouse and tried to boot with the mouse plugged in on port , then another ... at the third port the PC booted normally with no error :)
Don't have any idea why it became faulty but it's now solved for me.
I would not start with new drivers. Try uninstalling the USB ports in the hard ware settings, then have the computer scan for new hardware, which should make it automatically find and reinstall the drivers for the device. Usually it will fix the problem if that is the extent of it. If that doesn't work, then get the drivers.