Alternatively, you may wish to visit www.aboutcookies.org ​ ​​​​​​​​​​​External link opens in a new window ​ which contains comprehensive information on how to do this on a wide variety of browsers.
Fel arall, efallai yr hoffech fynd i www.aboutcookies.org ​ ​​​​​​​D​olen allanol yn agor mewn ffenest newydd sy'n cynnwys gwybodaeth gynhwysfawr am sut i wneud hyn ar amrywiaeth o borwyr.