Solution: Avrdude Stk500_getsync(): Not in Sync Resp=0x30 Error for Arduino

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Introduction: Solution: Avrdude Stk500_getsync(): Not in Sync Resp=0x30 Error for Arduino

About: My name is Nick, I work at Continental and just recently got my BSEE. I love working with projects on lower levels to design them from the ground up. Working in the lower levels also gives me a greater under...
So the reader is aware: This article covers the main causes for this issue, but some of the other Instructable users have found somewhat "niche" causes to the issue that were not covered in this article and are discussed in the comment section below. If this article does not solve your problem, please visit the comment section below.

I have had this error: I would plug my Arduino Uno into my Windows 7 PC (this guide should be relevant for Windows 8, Vista and XP also) but whenever I would upload any sketch to the board, all I would get is

avrdude stk500_getsync() not in sync resp=0x30

for a response. This board however worked seamlessly with my Linux machine.

After much searching online, I found there was no 'clear' solution to this.

Joyfully, the fix is actually very easy (at least for me, hopefully for you as well!). So far, there seems to be 2 3 big causes to this issue:
  • A wire is connected to pin0
  • You have the wrong COM port selected (the IDE does not see your board)
  • Your Arduino drivers are not set properly.

Unlikely Cause #1: Bootloader is missing

Before we begin, we should check the bootloader of the Arduino for comprehension. If the bootloader is gone or corrupt, this can cause the issue.

To do this: power and reset the board. Check to see if the pin 13 built-in LED lights; if it is not then your bootloader may be missing. If this is the case, then your problem is beyond the scope of this guide. I would suggest visiting this Sparkfun guide: http://www.sparkfun.com/tutorials/247.

If the LED lights, then your bootloader still exists.

Cause #0: Wire coming out of pin 0, (RX)

All credit goes to tvance929 and his comment below for finding this one. Some people seem to have this happen to them so it seems worth it to bring this up top here.

Apparently this issue will also occur if you have a wire connected to pin 0 (RX) on the Arduino.

Cause #1: Wrong COM Port or Wrong Arduino Board selected

With the Arduino plugged to the computer, open "Device Manager" and check the "Ports". Check to see if an Arduino device is listed here; if it is, then make note of which COM port the Arduino is on and check that you have this selected in the Arduino IDE (Tools -> Serial Ports). If the COM port your board is on does not show within the IDE, then try different USB ports.

If you can't even see "Ports"; then for some reason, your computer isn't even recognizing that a device is plugged into it. Test your computer by plugging other USB devices into that port. Possibly your Arduino fails at life; try it with other computers.

It appears some have received this issue by having the incorrect Arduino board selected as cdogjune has pointed out. Check that you have picked the right board in the "Tools" menu.

Cause #2: Drivers not Installed

This is what you should see when you open Device Manager:


If you don't see an Arduino device listed under Ports; then you are probably seeing an "Unknown Device". Check to make sure that "Unknown Device" is indeed, the Arduino by plugging and unplugging the board from the computer. "Unknown Device" should appear and reappear. Assuming this is the case, you will need to install the drivers manually for your Arduino. Windows XP, Vista and 7 users may continue with the guide; if you are a Windows8 user, then please make reference to the comment left by finnigan16 below.

Right click on that "Unknown Device" and select "Properties". Click on the "Driver" Tab. Below, you can see I already have the driver set, hence why my window reads "Arduino UNO R3 (COM4) Properties", when yours will probably read "Unknown Device Properties".


Select to "Update Driver..." and then choose to select the folder containing the driver on your computer. Conveniently, you already have the drivers for the Arduino on your computer when you downloaded the Arduino IDE. Navigate to the Arduino folder you downloaded that contains the Arduino IDE.  In that folder, go to the "drivers" folder and choose the "drivers" folder itself (see the picture below for the path). The computer should automatically choose to install one of the drivers within the folder you selected. Simply proceed with the installation and that should fix the problem.


Make sure the Serial Port is then selected correctly!

If you have checked the possible causes discussed here and your issue still isn't solved, be sure to check the comment section. Some of you have found niche causes to the issues which are discussed below.

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2 Tips

I had the same issue. Changing the Bootloader to "ATmega328P (Old Bootloader)" from

"ATmega328P" solved my problem.

In my case - the problem was that the Board was not selected right ! It was set to Arduino Nano, while I had an Arduino Uno connected.
The USB was getting detected but the Upload was failing - until I selected Tools-> Board -> Uno and got the upload to work.
This can be 4th Tip.

Questions

184 Comments

Hi,
great Instructable. Unfortunately It didn't work for me, however I did find a fix so I thought I'd post it here for anybody else with the same problem. My problem is that I'm using Windows 8 and apparently the arduino drivers aren't signed and therefore windows 8 will not utilize them. Fortunately YouTube user beachedwhale found an easy work around that'll get it working without turning off driver signing. You can watch his video by following this link:

http://www.youtube.com/watch?v=CdE72XUYC7k

In a nutshell, you update the driver through device manager and use the wizard to pick from a list of device drivers on your computer, when this list comes up you choose a Compaq Ricochet Wireless USB Modem, apparently the two devices use the same driver, you just need to change a few of the driver's settings once it's installed (make sure the baud rate is 9600, etc...).

It only takes about two minutes to do, definitely worth a try if your getting this error and running Windows 8.

8 replies

I never verified this error with Windows8; thanks for helping make my Instructable more comprehensive. I'll make an edit above pointing to this for those with Windows8.

Hello , I am using Arduino UNO board in windows 8 . When I am uploading a sample code to the board it is showing the error:

avrdude: stk500_getsync() not in sync resp=0x00 ,

I have tried every possible suggestion given the group but still didnot find any solution .I had checked the port connections,board name in tools bar, updated drivers, no problem with boot loader .Please help me with this.

My mail ID::saisandeep.kollipara95@gmail.com

I am getting the same error.

The two above reasons mentioned is not valid in my case too.

Did any thing else work out for you?

nikita@dhamainnovations.com

Did you get an answer? could solved the problem ?
If yes would you please share with me how did you do it, cause I am struggling with this error for more than a week

Sandeep, try to upload the same code again on another Uno board, if it works then the communication IC your older board is dead. I had the same problem and error code 0X00, my IC got burnt in Nano.

So, what did you do? Did you try any other steps? Please let me know since I also have same problem with UNO R3. It seems at the moment that there is no otherway for now. :(

Hello I am Tarun Lodhi.
Just tell me what you after plug the aurdino cable with you computer so that I can help you.

but it didnot work for me. i have tried many process and still the problm is not solved

My fix was to remove wires from pin 0 and 3.3volt pin. Worked. Must be pulling down power to the 328

I spent one hour trying to figure this out. I finally realized that I needed to disconnect a wire connecting AREF to 3.3V.

I am having the same errors and those solutions which are mentioned above are not working for me. I have changed everything uno board, system, changed programs but still its not working. Please provide me with solution.
Email id-udhitianshuujjwal@gmail.com

Also: if you have wrong chip selected: ie 328 instead of 168

I fixed the error on my Arduino by reseating the chip.

HELP. IM USING ARDUINO UNO Sketch uses 3098 bytes (9%) of program storage space. Maximum is 32256 bytes.

Global variables use 392 bytes (19%) of dynamic memory, leaving 1656 bytes for local variables. Maximum is 2048 bytes.

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0xf8

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0xf8

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0xf8

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0xf8

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0xf8

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0xf8

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0xf8

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0xf8

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0xf8

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xf8

Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.

Thank you very much N.fletch

I spend a four frustrated hours
to find the answer for this problem until I saw your post.

And credit to tvance929 for his comment

about the wire connected to pin 0 (RX) on the Arduino

Thanks! I tryed toconnect HC-05 module and I used pin 0 RX. So I just used another pin to get the job done

1 reply

I'm connecting HC-06 with the pin 0 RX and pin 1 TX , which pin did you use to get the job done?

It even comes when you have selected the wrong board type. I used Arduino uno to upload a blynk board Code. 8>)

I had purchased the BTE13-010 - Arduino Mini Clone from ebay which stated it was a ATmega328P Module. However, after much frustration I switched the Arduino IDE "processor" to the ATmega168 (keeping board at Arduino Pro or Pro Mini)... and boom - success.