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I believe the power to one of my USB ports is not working. I have an HP PAVILLION DV5000. If I purchased an external USB hub would that work?

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Hi!

Yes, you can use an external USB hub plug it to a working USB port. You can also use a PCMCIA USB card like this:

I believe the power to - a8c2236.jpg
Good luck and have nice day!

Posted on Oct 01, 2008

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When i put the USB cable and connect to the LAP, its not getting charged. How can i solve the problem? do i need to install any software?


Hi - when you say "LAP" I assume you mean laptop or notebook computer. Some computer USB ports do not have sufficient power to charge (or operate) devices like cellphones, GPS, large external hard drives, etc. You may be able to charge if you disconnect all other USB devices that aren't needed to run the computer. In order to get around the problem without having to do all that, either purchase an external charger for the GPS (which may be fairly expensive) or purchase a powered USB hub.

An external powered USB hub looks like a traditional USB hub, except for the fact that it has a power cord to connect to your home power outlets. The power cord will often look like AC adapter. The powered USB hub is ideal because they provide additional USB ports, are fairly inexpensive, they provide all the power for the USB devices that are connect to them (the computer's internal power supply is not used) and it can power or charge devices connected to them without needed the computer to be powered on. Simply plug the USB hub into a USB port, and AC power source - then connect the devices that need a large amount of power to the hub's USB ports instead of the computer's USB ports.

steve_con_70.jpg
The parts included with powered USB hub (clockwise from left): USB hub, USB connecting cable and AC power adapter.

Many powered hubs will work without the power adapter - however they will supply power to the devices connected from the computer's internal power supply.

I hope this helps and good luck! Please rate my reply. Thank you.

Jun 08, 2011 | GPS

1 Answer

Some of my peripherals, trackball inc. want to be connected to the netbook instead of settling for my hub. What do I HAVE to connect to the computer among CD drive, hard drive, printer, keyboard,...


Most likely your USB hub is not capable of supplying enough power to support all your peripheral devices. USB devices are powered by 5 volts from the USB port. If you connect a hub to a USB port and connect a lot of devices to the hub, there is not enough 5 volt power to let all devices work. To fix this, most USB hubs have an external power option that when plugged in will supply extra power for any connected devices.
If your hub does not have an external power option I would suggest you purchase a new hub that does have an external power supply.

Good luck :)

Jan 25, 2011 | ASUS Eee 4G Notebook

2 Answers

All usb ports on my HP Pavilion dv5000 do not recognise any device attached to them. Hoevevr when thr same devices in pugged into another computer they work perfectly.


Unistalled the USB Generic Root Hub Drivers from the Device Manager by right clicking on the generic root hubs and then restart the notebook and This will fix this issue for you....:)

May 02, 2010 | HP Pavilion dv5000z Notebook

2 Answers

Battery with HP Pavillion DV5000 won't work. Do I need to replace the battery or is there a battery charger I could use to recharge the battery? Dianne


You can order a power cable online or pick one up at your local computer store. They should run between $80-150. The battery itself is very expensive to purchase but is rechargeable.

Oct 22, 2009 | HP Pavilion DV4015cl Notebook

1 Answer

Usb ports not working


Check your hardware from CONTROL PANEL / SYSTEM / HARDWARE.

Also check HP's support section on the web for any updated drivers especially for your laptops motherboard / bios

Any exclamation marks by hardware need fixing before you investigate any further
Once you have done that try some of the common fixes below.

I devised these simple steps that tend to remedy quite a few issues with most USB portable / external hard drives and devices (though not always)

A few things to check but assumes USB and Windows for other interfaces / operating systems similar steps may be adapted to suit.

1. Ensure it is connected directly to the computer to a USB 2.0 port not a USB 1.0 port as this can have effects on performance and reliability

2. Use only the cables that came with it NOT one that fits that may have been lying around or is longer. Not all USB cables are equal even though they should be)

3. Do not connect through an external USB HUB unless that hub is USB 2.0 AND has its own power supply.

4. Use ONLY the power supply that came with it if it has an external power supply Don’t use any other unless you know it has both the same voltage and current rating e.g. 12V 500mA anything rated below that would not work properly.

5. Always use the same port for connecting your devices. Some devices do not like being switched about. If switched they may want to install software / drivers again. This can be especialy true if you move a HUB to another port

Aug 30, 2009 | HP GbE2c Layer2/3 Ethernet Blade Switch...

1 Answer

Ports usb rendered useless!


I believe that the equipment you are attaching is attempting to draw more power than the internal USB hub in the PC can deliver. If any of the equipment has an optional external power supply then try to use it to reduce the power consumption. If not, you'll probably need to get a PCI USB adapter with a higher power rating or a USB hub with an external power brick.

Jul 22, 2009 | HP Pavilion dv4000 Notebook

1 Answer

Hp pavilion dv4000 usb port can't use


This error occures when a USB device draws more power than the USB port can supply.
To fix this problem, purchase a powered USB hub. Power up the hub and connect it to the laptop's USB port and then plug the USB device into the powered USB hub.

May 05, 2009 | HP Pavilion dv4000 Notebook

1 Answer

Usb ports


  • The driver for the device is faulty. When you plug in a USB device, the computer should load and then configure the device without ever requesting a device driver. If the computer prompts you for a device driver, check the information that came with the device or go to the manufacturer's website to see if a driver is available.
  • The USB port might be defective. If the USB device is connected to a defective port, the device will not work. Try plugging the device into a different port. If all the USB ports are being used, unplug a device that you know works, and then plug the problem device into the port that device was using.
    If the device is plugged into a secondary USB hub with other USB devices, unplug the device from the hub, and then plug the device directly into a port on your computer.
  • Other USB devices might be drawing too much power from the hub. The device you are trying to use might require all the available power or bandwidth that your computer can provide. If other USB devices are connected to the computer and are drawing power from it, the first device might not work. If any other devices are drawing power from the hub, try disconnecting them, and then see if your device works. If this solves the problem, you might want to obtain a USB hub with its own power supply so that you have adequate power for all devices.
  • Oct 23, 2008 | HP Pavillion ZV6000 Athlon 64 3500+ 15.4in...

    1 Answer

    Targus Travel USB 2.0 4-Port Hub with Notebook Light


    Hello,

    I'm sorry to tell you your hub cannot be fixed. I have one just like it and have taken these things apart and repaired simple factory errors as loose wires and the such.

    You should get yourself another Targus brand USB hub. They are good and quite reliable

    Regards,
    Worldvet.

    Jun 08, 2008 | Targus 4-PORT TRAVEL USB 2.0 HUB...

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