Transmit data slowly USB

Hello

My laptop is HP Pavilion DV6t-CTO 3100 Enmtertainment PC.

Product no. - WW146AAR

O.S. - win - 7 64 bit (Home Premium), Intel i3 processior.

In recent days, he forwards the information slowly, please help what do I do in this case, I have already checked the BIOS to USB controller, can be their port XHCI is disabled through which it passes slowly, but I do not find this setting their, please suggest me what should I do in this case waiting for your answer.

Thank you.

-This may seem like a stupid question but, on the usb and PD drive where you copyed from, is it USB 3.0?  If it is and entry of the laptop is still 2.0 that you are looking for 10 x faster transfer speeds (on speed limits) and this time difference wouldn't be strange...

-Other cause for it if it's that the latptop with a RPM hard drive (so you low speed read/write) down and you are copying from a SSD/higher RPM disk and copy it to USB key (because they use flash memory, in order to compare speed as if was a SSD) is usually faster than the copy on the computers that use HARD drives (rule of thumb as long as it isn't) not a ultrabook it to use one). (also be sure to keep the defragmented disk because it is a HARD drive)

If no more than that, I really have no idea what can be the problem.

Flash memory (SSD / pendrives) is about 10 times faster than the physical memory (HARD drive / CD / DVD)

Writng speeds on flash are not far from reading (and they are quite fast), on the physics of the memory write speeds go down less than half of the write speeds

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