topic NXP DDR Test Tool: ERROR: Can't open USB device!!! in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/NXP-DDR-Test-Tool-ERROR-Can-t-open-USB-device/m-p/954847#M142589 <HTML><HEAD></HEAD><BODY><P>Information</P><P>Processor: i.MX6 Solo</P><P>Boot Mode: Serial Download ( I checked it several times.)</P><P>USB Port: OTG Port</P><P></P><P>For SI Test, I once tried DDR Stress test with Ver. 2.8 and it worked fine with my PC.</P><P>In Device Manager in Win10, HID and USB Device popped up when USB Cable was connected to my PC.</P><P>But, an engineer said that there was the error 'Can't open USB device'.</P><P>the engineer checked device manager, but there was no HID or USB Device&nbsp;</P><P></P><P>This is very weird because I once tried and it worked well but It didn't work to other PC.</P><P></P><P>Is there any driver of HID?</P><P>or what can I do in this situation?</P></BODY></HTML> Tue, 08 Oct 2019 00:50:02 GMT wonwookseo 2019-10-08T00:50:02Z NXP DDR Test Tool: ERROR: Can't open USB device!!! https://community.nxp.com/t5/i-MX-Processors/NXP-DDR-Test-Tool-ERROR-Can-t-open-USB-device/m-p/954847#M142589 <HTML><HEAD></HEAD><BODY><P>Information</P><P>Processor: i.MX6 Solo</P><P>Boot Mode: Serial Download ( I checked it several times.)</P><P>USB Port: OTG Port</P><P></P><P>For SI Test, I once tried DDR Stress test with Ver. 2.8 and it worked fine with my PC.</P><P>In Device Manager in Win10, HID and USB Device popped up when USB Cable was connected to my PC.</P><P>But, an engineer said that there was the error 'Can't open USB device'.</P><P>the engineer checked device manager, but there was no HID or USB Device&nbsp;</P><P></P><P>This is very weird because I once tried and it worked well but It didn't work to other PC.</P><P></P><P>Is there any driver of HID?</P><P>or what can I do in this situation?</P></BODY></HTML> Tue, 08 Oct 2019 00:50:02 GMT https://community.nxp.com/t5/i-MX-Processors/NXP-DDR-Test-Tool-ERROR-Can-t-open-USB-device/m-p/954847#M142589 wonwookseo 2019-10-08T00:50:02Z Re: NXP DDR Test Tool: ERROR: Can't open USB device!!! https://community.nxp.com/t5/i-MX-Processors/NXP-DDR-Test-Tool-ERROR-Can-t-open-USB-device/m-p/954848#M142590 <HTML><HEAD></HEAD><BODY><P>Hi Wonwook</P><P></P><P>one can try to attach USB Cable to another connector and</P><P>with short quality shielded cable. Also one can check if Operating System</P><P>on computer has all latest software updates.</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 08 Oct 2019 23:41:42 GMT https://community.nxp.com/t5/i-MX-Processors/NXP-DDR-Test-Tool-ERROR-Can-t-open-USB-device/m-p/954848#M142590 igorpadykov 2019-10-08T23:41:42Z