I Can No Longer Upload?

Development Tools IDE 2.x
1

I have successfully uploaded to a nano for many months. Now I am no longer able to upload sketches to a Nano. I am uploaded to an isolated Nano connected only to the USB cable.
I have tried uploading Basic Sketches such as "Bare Minimum," but after about one minute of uploading, I get error messages, as shown in the attached.
I reloaded the IDE, tried several USB cables, and used different computer ports.
The upload error messages are shown below.
Do you know what is going on and how to fix this?.

Sketch uses 924 bytes (3%) of program storage space. Maximum is 30720 bytes.
Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 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=0xb2
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0xb2
avrdude: ser_recv(): read error: Access is denied.

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0xb2
avrdude: ser_send(): write error: sorry no info avail
avrdude: ser_recv(): read error: Access is denied.

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0xb2
avrdude: ser_send(): write error: sorry no info avail
avrdude: ser_recv(): read error: Access is denied.

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0xb2
avrdude: ser_send(): write error: sorry no info avail
avrdude: ser_recv(): read error: Access is denied.

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0xb2
avrdude: ser_send(): write error: sorry no info avail
avrdude: ser_recv(): read error: Access is denied.

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0xb2
avrdude: ser_send(): write error: sorry no info avail
avrdude: ser_recv(): read error: Access is denied.

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0xb2
avrdude: ser_send(): write error: sorry no info avail
avrdude: ser_recv(): read error: Access is denied.

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0xb2
avrdude: ser_send(): write error: sorry no info avail
avrdude: ser_recv(): read error: Access is denied.

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xb2
avrdude: ser_drain(): read error: Access is denied.

Failed uploading: uploading error: exit status 1

2

The bootloader is not communicating with the PC. Could be due to a wiring problem, defective Arduino board, bootloader erased, etc.

Charger-only USB cables will not work at all, so make sure you are using a known good data USB cable.

When you plug the Arduino into the USB port, does the computer recognize the event and a COM port show up?

3

Original Nano or clone?

If is a clone, try "old bootloader" option in Processor sub menu.

4

Yes. the port is selected 3 or 6. I did a "tools/reload" board data and it started to work again.

5

yes a clone. OK. that seemed to fix it. thank you

6

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