What is the past tense of reset?

The past tense of reset is re-set.

Reset is an irregular (strong) verb: the vowel changes instead of adding -ed.

All forms of reset

as a noun

base: reset
plural: resets

as a verb

base: reset
past tense: re-set
past participle: re-set
present participle: re-setting
third-person singular: re-sets