The config.txt is found on piCorePlayer’s boot partition, which normally is /mnt/mmcblk0p1—see The config.txt file. Warning The boot partition is unmounted by default. So to edit config.txt, you must first mount the boot partition, then edit using vi. Warning You must reboot piCorePlayer after changing config.txt to activate changes. Longhand method—using standard Linux commandsStepsStep 1 Access piCorePlayer via ssh—see Access piCorePlayer via ssh. Step 2 $ mount /mnt/mmcblk0p1 Step 3 $ cd /mnt/mmcblk0p1 Step 4 $ vi config.