Uploading Issue Arduino UNO

***I am trying to develop a basic ohm meter to determine characteristics of an resistance sensor. ***

But I am dealing with a uploading issue, I am sure that:
-I chose the right board and port,
-Drivers are update
-Cables, board and other components are fine

The error meassage is;

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x93
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x93
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x93
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x93
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x93
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x93
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x93
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x93
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x93
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x93
Failed uploading: uploading error: exit status 1

How do you know that?

How do you know that?

First try the loopback test

I tried every available port on my computer.
When I unplug the USB cable, the selected port disappears from the list in the Arduino IDE.
I tested with:
Multiple Arduino models, UNO, Nano
Multiple USB cables.
Multiple components.
Despite all this, I am experiencing the same issue.

Thx but it failed, nothing came up on output field but there is a statement such as;
'This test will always fail for the CH340 USB to serial chip used on some derivative boards.' and I am using CH340.

So much for that test.
Which operating system are you using?

Windows

Does the Uno appear in the device manager?

If yes, then I'm not sure what the problem is.

Ok, so that's how you know that you have selected the right COM port, and that the USB ports and the USB cable are working. You also know that the CH340 chip on the board is working.

Ok, what? They do work or they also don't work? If they do work, then you know that the IDE is working. If none of them work, that's less helpful. Could be they are all faulty or there is a problem with the IDE.

Have you tried another PC/laptop (with IDE installed)? If all of your boards work on that, the problem must be with your original computer.

Sounds like this is a clone Uno with a CH340 USB-serial chip instead of the ATMEGA16U4 or whatever it is that you get on a genuine Uno. I don't think Windows will identify a clone with a CH340 as an Uno because it won't have the expected PID/VID.

Wait, every board you have tested uses that IC?

See if post 8 of this recent thread helps.

Or this thread

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