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When Plugged in your4 port powered hub gets hot and no leds light when a usb plug is inserted

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Check the device on other usb port, or in some different pc, if the problem remains the same, the device is faulty

Posted on Oct 21, 2008

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I PLUGGED MY MP3 PLAYER INTO MY LAPTOP USB PORT AND IT USED TO WORK NOW IT SAID THE USB DEVICE HAS EXCEEDED ITS POWER LIMITS OF ITS HUB PORT AND WONT WORK NOW


If you get an error message"Insufficient power to operate USB device" when you plug a USB deviceinto the computer's USB port, then this device is drawing excessive currentthat the USB port cannot supply. The maximum output from an USB port is 500mA. In case such as this, youneed to purchased a powered USB hub and connect this hub into the computer'sUSB port and then connect the USB device into this powered USB hub.

Sep 05, 2011 | Computers & Internet

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I have a model m01517 5 port usb hub. It has 2 usb cables to the computer, do I use the blue or black connector? I can only get one port to recognize a device plugged in the other four seem to be dead,...


Not sure I understand this hub either. Looks like only one port is a USB 2.0 port, but here is a snippet from the manual......

This iConcepts USB Hub provides the electronic interface between USB devices and the host, It allows up to five USB devices or Hubs to connect an upstream USB Hub or Host port.

Features
• One USB 2.0 port
• 4 Port USB 1.1 and support high speed (480 mbps) and 4 port full speed (12 mbps) operations.
• The USB 2.0 port can operate both USB 2.0 & 1.1 Devices
• USB 2.0 port supports self powered mode and bus - powered mode, indicated by a powered LED .
• Over current detection and protection


Manual is provided here: http://www.sakar.com/p-1124.aspx?categoryid=182

Sep 09, 2010 | Sakar (M01517) 5-Port USB Hub

1 Answer

USB hub problem.i have a 4-way USB powered hub that has taken it upon itself not to rustle up every now and again on boot-up. Power LED is on but the four green LED's are out and everything connected to it...


Perhaps the problem is not with the powered USB hub but rather the USB port it is plugged into, or the cable connecting them.
Plug the USB hub in using a different USB port on your system or connecting it using a different cable to see if that makes any difference.

Aug 15, 2010 | Mini Computers & Internet

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My imation USB Hard Drive once i connect to USB port power LED is working but its not working


Sounds like it's not getting enough power from the USB port on the laptop. Drives like this usually have a 2nd USB connector for more power from a 2nd port. If you don't have a free port, you can buy a powered hub and use that for the drive. It has its own power adaptor so will provide enough power for the drive when both drive connectors are plugged in.


May 29, 2010 | Imation Apollo (27223) 250 GB USB Hard...

1 Answer

The Media reader is not reading any cards but the indicator light comes on when I insert the cards


Try plugging your media reader into another USB port. If it is plugged into a USB hub, then that is your problem, plug it directly into your computer. Although you should be able to daisy chain USB devices, in actuallity that does not seem to be the case. I have found a lot of devices do not like USB hubs. Also you may want to try another USB cable. These things get corrosion on the contacts and sometimes make poor connections when plugged into the computer and/or devices.

Jun 08, 2009 | HP Compaq Presario Media Center SR1750NX...

1 Answer

Windows XP does not recognize the Handheld scanner.


My guess is that the USB hub needs to be plugged in ... if for some reason the usb hub doesn't allow you to plug it in then you need to get one that you can plug in... because I believe the scanner is using more power that the usb port can power. Scanner usually need to be plugged directly into the computer or they need to be plugged into a powered hub.

I hope this helps!!!

cdixon18
The Man Inside the Machine

May 11, 2009 | PSC QS6000 Plus Handheld

1 Answer

I added a 512mb stick to my ibm t30 think pad and one port is bad


You can plug a USB hub into the working USB port on the computer. The USB hub can have several ports so you can plug in several USB devices.
I suggest you get a powered USB hub because if all the devices that you plug into this hub exceeds 500mA then your computer's USB port will stop working because it could not supply enough current.
You will not need to plug in the power adapter into the hub if the device/s do not overload the computer's USB port.

Jan 08, 2009 | IBM ThinkPad T30 2366 Notebook

1 Answer

When I plug a device into the hub, I can't locate it.


for usb hubs some of the port could fail any time so test all the ports to identify which one is working

Mar 02, 2008 | GE JASCO (HO97878) 4-Port USB Hub

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