1. give us ur mobo name
2. press the proper key to enter bios.
3. Get into bios
4. change clock multiplier\
5.change core voltage SLIGHTLY
6. check linustechtips on youtube for more info
OR
1. go into windos
2. get the proper OCing softer for your mobo . aka MSI afterburner for MSI or App store for Gigabyte
3. let the software do the job