How To Burn Bootloader To Arduino Uno

A step-by-step guide on how to burn the bootloader to an Arduino Uno, but this method works on all Arduinos.

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[fredcooper]

Bought an Uno ( genuine!!) & 2 nano's, they turned out not to have bootloaders. Tried half a dozen videos to put the bootloader on the nano's, and was pulling my hair out, till I found, & followed this!! Spot on, TYSM!!!

[pexkpsq]

Thank you very much sir. Your method working properly. Arduino Uno now working normally.

[goodmandiad]

This worked well for me. If there are any of you out there who know anything about Arduino and Macs I would appreciate some assistance . I can get things to work on a PC but the wife keeps getting mad I have to use her computer.

[Eddirobu]

hello, i don't know why but this method didn't work. it worked well but after i uploaded the sketch i didn't find arduino as programmer in the options and when i tried clicking burn bootloader it gave me an error message. could you please help me?

[lighthousestudio]

hello buddy can i reuse the Arduino tht i used as an ISP again for other projects?

[hrudayesh_b_y]

Sir its says chip error. What could be the possible solution?

[yashjasani]

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x14

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x01
avrdude: stk500_initialize(): (a) protocol error, expect=0x14, resp=0x10
avrdude: initialization failed, rc=-1
Double check connections and try again, or use -F to override
this check.

avrdude: stk500_disable(): unknown response=0x12
Failed chip erase: uploading error: exit status 1

i am getting this error, how can i solve it?

[madvelila]

Can I burn bootloader to arduino with esp32?