USB device has malfunctioned and exceeded the power limits of its

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After having used my Ipod Nano for a couple of months, suddenly an
error-message pops up whenever I try to connect it using the USB-port on the
front of my computer: "A USB device has malfunctioned and exceeded the power
limits of its HUB port".
As the Ipod and USB-port has been working together fine for a couple of
months, I don't believe the Ipod has suddenly begun to exceed any power
limits. I'm running Windows XP SP 2 and having searched the internet for an
answer it seems several experts claim Windows is to blame. But noone has
offered any useful help.
Can anyone here help me?
 
To add to the 'fair' advice; try a port on the BACK of the computer. These
are always (in newer computers) direct connections to the motherboard, not
"piped" through wires from the motherboard. These would be capable of
carrying the maximum amount of power.
 
David Arnholm said:
After having used my Ipod Nano for a couple of months, suddenly an
error-message pops up whenever I try to connect it using the USB-port on the
front of my computer: "A USB device has malfunctioned and exceeded the power
limits of its HUB port".
As the Ipod and USB-port has been working together fine for a couple of
months, I don't believe the Ipod has suddenly begun to exceed any power
limits. I'm running Windows XP SP 2 and having searched the internet for an
answer it seems several experts claim Windows is to blame. But noone has
offered any useful help.
Can anyone here help me?
Click to expand...

Verify the current surge in the Ipod Nano manual, if so provided. Connect
the Ipod to the USB-port you are used to. Go Start\Run, type devmgmt.msc and
click OK. Then click on the [+] left to Universal serial buscontroller to
display a list of them. Right click the USB in question (or one at a time to
find it) and select Properties. Selecting the Current tab you’ll see current
available for the hub, as well the actual current surge as “detected†by
Windows. See if it conforms with the spec of the Ipod.

Regards,
Ka2H
 
It doesn't matter what port I use - I get the errormessage whether it's the
two at the front or the two at the back.
But thanks for the advice.
David Arnholm
 
This sounds like a really good idea. But when I connected the iPod once again
- suddenly the computer lost all power and was turned of! And I couldn't
restart it. For a moment I thought a fuse was blown but then - five minuttes
later - the computer miraculously came back to life.
I gues it's time to assume that the iPod cable must be short circuited - I'm
definetly not using it again!
Thaks for all the good advice though.
Cheers!
- David

Ka2H said:
David Arnholm said:
After having used my Ipod Nano for a couple of months, suddenly an
error-message pops up whenever I try to connect it using the USB-port on the
front of my computer: "A USB device has malfunctioned and exceeded the power
limits of its HUB port".
As the Ipod and USB-port has been working together fine for a couple of
months, I don't believe the Ipod has suddenly begun to exceed any power
limits. I'm running Windows XP SP 2 and having searched the internet for an
answer it seems several experts claim Windows is to blame. But noone has
offered any useful help.
Can anyone here help me?
Click to expand...

Verify the current surge in the Ipod Nano manual, if so provided. Connect
the Ipod to the USB-port you are used to. Go Start\Run, type devmgmt.msc and
click OK. Then click on the [+] left to Universal serial buscontroller to
display a list of them. Right click the USB in question (or one at a time to
find it) and select Properties. Selecting the Current tab you’ll see current
available for the hub, as well the actual current surge as “detected†by
Windows. See if it conforms with the spec of the Ipod.

Regards,
Ka2H
Click to expand...
 
Sorry to hear that... If you have another system you can try it on, give it
a shot. It just might be that interface cable (or whatever) has given up
the ship... I'm not familiar enough with how they actually connect to the
computer (cable, docking station, etc.) to offer any more detailed advice,
sorry.
 
From what you have posted and responded, my suspicion would be that the
nano is exceeding the port demands... it's "windows" as the nano has a
"registered" max power demand from it's usb connection, so, it's
possible, if not likely, that the battery is failing and the current
charge demands are exceeding the nano's own specifications.

Another possibility is a cable problem... for example, something bent or
something stuck in the connect slot, cut or failed connection.

One interum solution which _might_ work is to use a good "powered" hub,
connect only the nano to that hub and see if that is a temp fix.

Beverly Howard [MS MVP-Mobile Devices]
 
Computer power of durring device plug-in is a serious risk. The next time it
may not power on at all!

I use my old automatic power supply as a power source for various electronic
experiments. If I short circuit two wires, the built-in protection will
power it off immediately. Then I have to unplug the power cable for a few
seconds and it's ready to work again.
It's most probably either cable break-down or device break down. Can You ask
Apple for waranty services?


:
| This sounds like a really good idea. But when I connected the iPod once
again
| - suddenly the computer lost all power and was turned of! And I couldn't
| restart it. For a moment I thought a fuse was blown but then - five
minuttes
| later - the computer miraculously came back to life.
| I gues it's time to assume that the iPod cable must be short circuited -
I'm
| definetly not using it again!
| Thaks for all the good advice though.
| Cheers!
| - David
|
| "Ka2H" wrote:
|
| > "David Arnholm" wrote:
| >
| > > After having used my Ipod Nano for a couple of months, suddenly an
| > > error-message pops up whenever I try to connect it using the USB-port
on the
| > > front of my computer: "A USB device has malfunctioned and exceeded the
power
| > > limits of its HUB port".
| > > As the Ipod and USB-port has been working together fine for a couple
of
| > > months, I don't believe the Ipod has suddenly begun to exceed any
power
| > > limits. I'm running Windows XP SP 2 and having searched the internet
for an
| > > answer it seems several experts claim Windows is to blame. But noone
has
| > > offered any useful help.
| > > Can anyone here help me?
| >
| > Verify the current surge in the Ipod Nano manual, if so provided.
Connect
| > the Ipod to the USB-port you are used to. Go Start\Run, type devmgmt.msc
and
| > click OK. Then click on the [+] left to Universal serial buscontroller
to
| > display a list of them. Right click the USB in question (or one at a
time to
| > find it) and select Properties. Selecting the Current tab you'll see
current
| > available for the hub, as well the actual current surge as "detected" by
| > Windows. See if it conforms with the spec of the Ipod.
| >
| > Regards,
| > Ka2H
 
"The next time it may not power on at all!"

Oh yes. That's what's happened now. The computer wont power on at all now
.... It's time to take it to a service center.
 
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