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Re: USB HUB 2.0
It sounds like a power supply issue. Your USB ports are designed to supply power to the devices connected to them. In the case of your battery powered Ipod, the Ipod is supplying it's own power which is why it is working.
More information would give me a better chance of helping you. Is this on a laptop or desktop?
If a desktop, is the USB port on an expansion card or part of the motherboard? What brand of computer are we talking about?
Has your USB ever worked? When did it stop working? Is there anything at all happening around the computer that may have caused this (hardware added, thunderstorm, new software, etc.)?
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If you're using USB for power then you either need a powered USB hub or the device must connect directly to the computer's USB port bypassing the hub.
If the USB hub doesn't plug in to the wall socket then it is not a powered hub. Basic USB hubs do not supply power to devices or charge an external device like a cell phone. The hub must be of the powered variety and plug into the wall before you can use it for things like this.
TIP: Get two USB hubs, one powered and one not. If you're using a USB hub for anything other than connecting a flash drive or your wireless keyboard and mouse receiver, get a powered one. Doing so allows you to charge multiple devices through USB and it will provide power to other peripherals like a laptop cooling pad, external hard drives, etc.
Several things could keep your iPod's battery from charging. The major causes are listed below in logical order. Check each one to see if it's what's keeping your battery from charging. Low-powered USB port iPods that connect to USB ports require a high-power USB port.
Keyboards and some USB hubs will not charge iPod. Connect iPod directly to the computer or to a USB AC power adapter. Click here for more information. Connect directly to computer If you connect iPod to something that connects to the computer (like a USB hub or FireWire drive), connect iPod directly to the USB or
FireWire port on the computer. FireWire port on a Windows PC The FireWire (IEEE 1394) ports on some Windows-compatible computers may not be powered, and consequently won't charge iPod when you plug it in. Check here to see if the FireWire port on your PC can charge iPod. Your computer goes to sleep Your computer can only charge iPod when it's turned on and not asleep. Make sure your computer is on and not set to go to sleep when you want to charge iPod. Tip:
Some Macintosh computers can charge iPod even though they're asleep. If your sleeping computer doesn't charge iPod, don't worry, just wake it and let iPod charge. hope this helps
Solutionto determinethe cause ofdamage: 1.Ifyouhave a USB mouse, use themouse tocheck thedamage tothe USBport.Example:connect themouseto theUSB 1,USB 2,USB3 orUSB4.IfeveryUSB port,mouseis detected, the conclusionnormal USBport 2.To check yourcomputer's drivers, right-clickMy Computer-Properties- Hardware-DeviceManager
3.Ifpoints1 and 2 arenormal,the possibility offlashdrivedamaged. Because thenewflashdrive,flashdriveis most likelynormal.Based on experience,causedamage tothe flashdrive is aUSBport isdirty.The USB portis dirty,cancauseshort-circuitflash drive.The characteristics ofshort-circuitflashdrive.Wheninsertedintoa USBflash drive(about 5seconds),the temperature ofthe flash drivebecomeextremelyhot.Ifthere are problemslikethis,immediatelyunplug theflashdrive,topreventpermanent damage.
this problem seems mostly with the usb mouse, the best solution is to plug the flash drive in one port and usb in other and restart the computer generally this always works but if it wont work then the best thing is i also did that, buy a 4-port usb hub and connect it with laptop and connect your usb mouse with this port not directly to your laptop and when you like to use your flash drive plug it in the laptop. this is working with be perfectly and i hope it will do the same at your side.
You can use a powered USB hub to charge your iPod, MP3 player etc. without connecting to a laptop's computer USB port.
Just connect the mains adapter to the USB hub and then plug your iPod into the hub for as long as you need.
You can also use this hub for your computer/laptop when you need extra USB ports..
Often this is an electrostatic charge problem on usb hub. To solve it: On PC disconnect power cable for 30 mins or so from power outlet. On laptop, disconnect from power and remove latop battery for 15 mins or so. If it still does not work, then it may be faulty root hub on motherboard.
Ipods and the Kodak printer are both high power devices. There are known issues on common intel motherboards with multiple high power usb devices. You may just have this bad luck, and your motherboad printer ipod combo just wont work at the same time. The best advice I can offer you is to get a High Speed Powerd USB hub. Connect either the IPOD or the printer to the hub and connect the other directly to a USB port on the PC.