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Topic: [Solved] Driver issue windows 7 (Read 2175 times) previous topic - next topic


Oct 21, 2013, 12:47 pm Last Edit: Oct 24, 2013, 10:04 am by bakkerl Reason: 1

I have some issues on my windows 7 64bit machine.

I have a Arduino nano which is working fine on a Windows XP machine. I can upload sketches and the loopback test as described at http://forum.arduino.cc//index.php?topic=73748.0 is working.

The same nano, the same USB cable, only now on my Windows 7 machine, is failing on me.
- The loopback test fails; The RX and TX leds are blinking when pressing keys on my keyboard in the terminal application. Only no feedback is displayed in the terminal application.
- Uploading is failing with the (not so famous): avrdude: stk500_getsync(): not in sync: resp=0x00
(full output below)

Looks like my windows 7 don't want to receive any data back...

Driver info on the windows7 system (installed from the windows update):
Driver Date: 12-7-2013
Driver Version:
Digital Signer: Microsoft Windows Hardware Compatibility Publisher

Where did i go wrong?

Code: [Select]

Binary sketch size: 2,596 bytes (of a 30,720 byte maximum)
C:\Program Files (x86)\Arduino\hardware/tools/avr/bin/avrdude -CC:\Program Files (x86)\Arduino\hardware/tools/avr/etc/avrdude.conf -v -v -v -v -patmega328p -carduino -P\\.\COM10 -b57600 -D -Uflash:w:C:\Users\bakkerl\AppData\Local\Temp\build7726205471105300514.tmp\AnalogReadSerial.cpp.hex:i

avrdude: Version 5.11, compiled on Sep  2 2011 at 19:38:36
        Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
        Copyright (c) 2007-2009 Joerg Wunsch

        System wide configuration file is "C:\Program Files (x86)\Arduino\hardware/tools/avr/etc/avrdude.conf"

        Using Port                    : \\.\COM10
        Using Programmer              : arduino
        Overriding Baud Rate          : 57600
avrdude: Send: 0 [30]   [20]
avrdude: Send: 0 [30]   [20]
avrdude: Send: 0 [30]   [20]
avrdude: Recv:
avrdude: stk500_getsync(): not in sync: resp=0x00

avrdude done.  Thank you.


A downgrade of the driver solved my issue.

From to ( http://www.ftdichip.com/Drivers/CDM/CDM20824_Setup.exe )



Oct 30, 2013, 05:59 pm Last Edit: Oct 30, 2013, 06:11 pm by 64bit Reason: 1
This worked for me as well on Windows Vista and Windows 8 for the Nano. Make this post sticky!!!

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