[steve1977]

Thanks so much. To sum it up, let me try below:

force_turbo=1
gpu_mem=256
disable_overscan=1
arm_freq=1100
core_freq=550
sdram_freq=600
over_voltage=8
over_voltage_sdram=4
avoid_pwm_pll=1
hdmi_force_hotplug=1
hdmi_ignore_cec_init=1