Hi Guntur,

Use the links on this page to download the latest drivers for your SEMC Flash Device from our share libs. Download the latest Windows drivers for SEMC MMC Flash Card USB Device Driver. Drivers Update tool checks your computer for old drivers and update it. Get latest SEMC MMC Flash Card USB Device Driver driver!

Thank you for giving us this opportunity to assist you.

I see that Semc Flash Driver doesn’t work in USB 3.0 port, but works fine in USB 2.0 port.

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Let us work together to resolve this issue.

However, we need more information about this issue. Please answer the following questions.

1.Did you make any changes to the computer prior to this issue?

2.What is the make and model of the computer?

3.Does the flash drive work on another computer?

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4.Do other devices work in the USB 3.0 port of the computer?

Please get back to us with the answers.

If the computer doesn’t support USB 3.0 ports, then any device which uses USB 3.0 port will not work.

Refer to the link below:

Install USB 3.0 and other USB devices

Usb Drivers Windows 7 64 Bit Download

Further Reference:

Windows 8.1 Usb Drivers Download

Set up your devices

Windows 7 Usb Driver Install

What if a device isn't installed properly?

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Please get back to us with the results.

Semc Usb Flash Driver Windows 7 64 Bit Download

If you have any further questions about Windows, let us know.