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Author Topic: Unknown USB (Device Descriptor Request failed) in DS_UMFT260EV1A  (Read 23050 times)


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Hi, I was using the UMFT260EV1A development module for FTDI FT260 to write custom and readback data from the external AT24C02D eeprom connected to the board. I don't know what happened suddenly now when I connect it to the laptop, it gives a malfunction error- Unknown USB device (Device Descriptor Request Failed) as shown in the attachment below. Can anyone please help me?

I tried rebooting the laptop and also uninstalling the driver, but nothing helped.

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Re: Unknown USB (Device Descriptor Request failed) in DS_UMFT260EV1A
« Reply #1 on: November 11, 2022, 11:17:50 am »

Hi Suman,
As you have already contacted us via email on this subject and we have an ongoing discussion there i will continue with the email rather than posting here

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