I’ve never actually tried this to play back on a stand alone Entertainment Center BR player, but I’ve found http://anyburn.com/ is a decent free authoring program. Drop the MKV files on there and see if it’ll play them. Advantage of this may be you can Handbrake compress them to fit more than one video file per disc. But that will take experimenting to see what your BD-R player will support. If your BD-R... Source: about 1 year ago

Replace the file in the sources folder on your original install media. If it’s a usb stick just overwrite the file. If it’s an iso you can use a program such as AnyBurn https://anyburn.com to edit the ISO and replace the file. This will keep the ISO bootable. Source: about 2 years ago

I recently found AnyBurn. Should be pretty much exactly what you need. Althought I can't yet speak for its image creation ability I only needed it for image conversion from one format to another. Someone else mentioned ImgBurn which is also a household name pretty much but AnyBurn was kind of a fascinating discovery for me because it reminded me of the simplicity of CloneCD and CloneDVD back in the day when... Source: over 2 years ago

1.) Relativity offers training and certifications through their website: relativity.com. Source: over 1 year ago