Equium P300-16 t - USB Power Port

My machine is less than 4 weeks old.

I recently bought a usb hub 2.0 4 generic ports for the system. When I plugged in (using the right side rear lane) I got my scanner and a USB connected. The scanner has not been turned on.

I found that if I tried to access computer or Windows Explorer they would hang with the 'not responding message '. After some bug I found that it was the hub 4 ports which was the problem because I could plug the memory stick into a port any and it worked fine.

I then plugged an old hub 4 ports (I had used with an old laptop and desktop) with the same features and it seemed to work although to be honest I've only tried in a port.

I contacted the seller and yes it was eBay and they suggested to try another port because it might be a power supply problem of the port and when I plugged on the left rear port that everything worked well, so thought it was.

This morning, I turned on and got an error that a usb device had failed and found it to be the hub. I then moved to the rear port of the right hand, that I had problems with initially and it works.

It would seem that the output power of the usb ports is fluctuating (know nothing about usb power levels) and just occasionally feeding the new hub (even if the led on the hub is turned on). Should I be concerned and can I do?

Hello

AFAIK all USB 2.0 ports provides and support 500mA.
It is a standard.

Some external USB devices require more power to work properly, and that's why the devices are equipped with external power supplies.
There are also devices that require more power just standard USB could provide, but devices with no external power supply.

In this case, it s a good idea to use a USB cable that can be connected to the 2 USB ports at the same time
My 2.5 USB HDD was delivered with this cable.

I remember that several USB hubs that also supports the external power supply and maybe you should try this hub

Tags: Toshiba

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