<p>In your terminal type <b>"sudo nano /boot/config.txt"</b><br> Edit your config.txt by inserting the parameters below.<br>
The last two parameters will set your TV resolution & refresh rates,<br> get your TV specs from the manufacturer.<br>
Open another terminal and run commmand<br> <b>"tvservice -m CED"</b> for hdmi_group=1 or <br><b>"tvservice -m DMT"</b> for hdmi_group=2</pr><br>Determine if your TV mode is in the CED or DMT group<br> set the "hdmi_group=1" if CED and do vice versa.<br> Note the mode number and set the "hdmi_mode=*". 
 
<b>disable_overscan=0<br>
config_hdmi_boost=4<br>
hdmi_ignore_cec_init=1<br>
hdmi_ignore_cec=1<br>
hdmi_force_hotplug=1<br>
hdmi_ignore_edid=0xa5000080<br>
hdmi_group=2<br>
hdmi_mode=81<br></b>