First time building a pc. Mobo arrive, check and found pen ink stain/ mark? near both m.2 slot. What is it? Will the mobo work? Should I be concern?
View: https://imgur.com/oAKaWy4
View: https://imgur.com/fQQKVzI
View: https://imgur.com/oAKaWy4
View: https://imgur.com/fQQKVzI