https://helpforum.sky.com/t5/Sky-Glass/Vertical-blocks-on-screen/m-p/5252231#M179969 <P>Hi <a href="https://helpforum.sky.com/t5/user/viewprofilepage/user-id/4041456">@JONATHAN_GILL1</a>&nbsp;</P><P>&nbsp;</P><P>Try powering off at the mains for at least 5 minutes. This will clear any software glitch that can cause such issue. If that doesn't work try leaving unplugged overnight.</P><P>&nbsp;</P><P>Failing that you will need to ask sky to replace your set if under warranty as this could point to a hardware failure.</P><P>&nbsp;</P><P>MikeAlanR</P> Sun, 12 Apr 2026 19:20:06 GMT mikealanr 2026-04-12T19:20:06Z https://helpforum.sky.com/t5/Sky-Glass/Vertical-blocks-on-screen/m-p/5252113#M179959 <P><SPAN>My Sky Glass TV has developed vertical bands with no colour across the screen. It’s visible on all content and menus.</SPAN></P> Sun, 12 Apr 2026 16:28:52 GMT https://helpforum.sky.com/t5/Sky-Glass/Vertical-blocks-on-screen/m-p/5252113#M179959 JONATHAN_GILL1 2026-04-12T16:28:52Z https://helpforum.sky.com/t5/Sky-Glass/Vertical-blocks-on-screen/m-p/5252231#M179969 <P>Hi <a href="https://helpforum.sky.com/t5/user/viewprofilepage/user-id/4041456">@JONATHAN_GILL1</a>&nbsp;</P><P>&nbsp;</P><P>Try powering off at the mains for at least 5 minutes. This will clear any software glitch that can cause such issue. If that doesn't work try leaving unplugged overnight.</P><P>&nbsp;</P><P>Failing that you will need to ask sky to replace your set if under warranty as this could point to a hardware failure.</P><P>&nbsp;</P><P>MikeAlanR</P> Sun, 12 Apr 2026 19:20:06 GMT https://helpforum.sky.com/t5/Sky-Glass/Vertical-blocks-on-screen/m-p/5252231#M179969 mikealanr 2026-04-12T19:20:06Z