Tried different PC, reinstalled Arduino IDE, updated libraries, changed USB cable yet genuine Arduino UNO R3 throws me this.
Sketch uses 4030 bytes (12%) of program storage space. Maximum is 32256 bytes.
Global variables use 520 bytes (25%) of dynamic memory, leaving 1528 bytes for local variables. Maximum is 2048 bytes.
C:\Users\Andrejs Zavaruhins\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/bin/avrdude -CC:\Users\Andrejs Zavaruhins\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf -v -patmega328p -carduino -PCOM5 -b115200 -D -Uflash:w:C:\Users\ANDREJ~1\AppData\Local\Temp\arduino_build_348570/i2c_scanner.ino.hex:i
avrdude: Version 6.3-20190619
Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2014 Joerg Wunsch
System wide configuration file is "C:\Users\Andrejs Zavaruhins\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf"
Using Port : COM5
Using Programmer : arduino
Overriding Baud Rate : 115200
AVR Part : ATmega328P
Chip Erase delay : 9000 us
PAGEL : PD7
BS2 : PC2
RESET disposition : dedicated
RETRY pulse : SCK
serial program mode : yes
parallel program mode : yes
Timeout : 200
StabDelay : 100
CmdexeDelay : 25
SyncLoops : 32
ByteDelay : 0
PollIndex : 3
PollValue : 0x53
Memory Detail :
Block Poll Page Polled
Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack
----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
eeprom 65 20 4 0 no 1024 4 0 3600 3600 0xff 0xff
flash 65 6 128 0 yes 32768 128 256 4500 4500 0xff 0xff
lfuse 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00
hfuse 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00
efuse 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00
lock 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00
calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00
signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00
Programmer Type : Arduino
Description : Arduino
Hardware Version: 3
Firmware Version: 4.4
Vtarget : 0.3 V
Varef : 0.3 V
Oscillator : 28.800 kHz
SCK period : 3.3 us
avrdude: AVR device initialized and ready to accept instructions
Reading | ################################################## | 100% 0.00s
avrdude: Device signature = 0x1e950f (probably m328p)
avrdude: reading input file "C:\Users\ANDREJ~1\AppData\Local\Temp\arduino_build_348570/i2c_scanner.ino.hex"
avrdude: writing flash (4030 bytes):
Writing | ################################################## | 100% 0.64s
avrdude: 4030 bytes of flash written
avrdude: verifying flash memory against C:\Users\ANDREJ~1\AppData\Local\Temp\arduino_build_348570/i2c_scanner.ino.hex:
avrdude: load data flash data from input file C:\Users\ANDREJ~1\AppData\Local\Temp\arduino_build_348570/i2c_scanner.ino.hex:
avrdude: input file C:\Users\ANDREJ~1\AppData\Local\Temp\arduino_build_348570/i2c_scanner.ino.hex contains 4030 bytes
avrdude: reading on-chip flash data:
Reading | #############################################An error occurred while uploading the sketch
##### | 100% 0.65s
avrdude: verifying ...
avrdude: verification error, first mismatch at byte 0x0000
0x62 != 0x0c
avrdude: verification error; content mismatch
avrdude done. Thank you.
Bootloader says,
avrdude: usbdev_open(): did not find any USB device "usb" (0x03eb:0x2104)
yet I am able to get board info.