![The display is erratic, the screen flickers, or identification failure occurs when an external device is connected to the computer using an HDMI cable | HUAWEI Support Global The display is erratic, the screen flickers, or identification failure occurs when an external device is connected to the computer using an HDMI cable | HUAWEI Support Global](https://consumer-tkbdownload.huawei.com/ctkbfm/servlet/download/downloadServlet/H4sIAAAAAAAAAD2Py07DMBBF_8Xrgsavsc2qjhNUNohFWVduPARLbVrlAQLEv-NGEZuRruboPn7YPNKw_7oSe2CcbVi6fParlEW-5RM9x_NNUn83j4d8jh0dQCAIZ6zm99e-W7mXOL0XLqHVEii1CqWS0DpwnBMdhWkJCGOhj_n7KRV057eLKwdnrVCivNqB4pQv_T7fQjmCKx4KOABs2Ji7Pk7zsJStrPUYpMI6GBmk46F23phHD8KEgFVjwWjrgzHg6kYCQqN1udxV6CpVsj7iKafX__3TMNPSbd2_8-z3D8i6bx0gAQAA.png)
The display is erratic, the screen flickers, or identification failure occurs when an external device is connected to the computer using an HDMI cable | HUAWEI Support Global
![Tcl roku screen flickering, have any of y'all had this issue? Tv is 3 years old and just two days ago it started sporadically flickering. I've hard reset twice and called tech Tcl roku screen flickering, have any of y'all had this issue? Tv is 3 years old and just two days ago it started sporadically flickering. I've hard reset twice and called tech](https://i.redd.it/0z267xk20ic51.jpg)
Tcl roku screen flickering, have any of y'all had this issue? Tv is 3 years old and just two days ago it started sporadically flickering. I've hard reset twice and called tech
![Asus VA24EHE 23.8” Monitor, 1080P, Full HD, IPS, 75Hz, HDMI D-Sub DVI-D, Adaptive-Sync / FreeSync, VESA wall mountable, Eye Care, Flicker-free and Low Blue Light : Everything Else Asus VA24EHE 23.8” Monitor, 1080P, Full HD, IPS, 75Hz, HDMI D-Sub DVI-D, Adaptive-Sync / FreeSync, VESA wall mountable, Eye Care, Flicker-free and Low Blue Light : Everything Else](https://m.media-amazon.com/images/I/719Y0U-F42L._AC_SL1500_.jpg)
Asus VA24EHE 23.8” Monitor, 1080P, Full HD, IPS, 75Hz, HDMI D-Sub DVI-D, Adaptive-Sync / FreeSync, VESA wall mountable, Eye Care, Flicker-free and Low Blue Light : Everything Else
SOLVED: Why is my screen going crazy with green/purple lines and flickering? - Acer Aspire V3-771G - iFixit
![Fixing M1 Mac External Display Issues (Flickering Screen, White Noise, Black Screen, etc) | OSXDaily Fixing M1 Mac External Display Issues (Flickering Screen, White Noise, Black Screen, etc) | OSXDaily](https://cdn.osxdaily.com/wp-content/uploads/2021/06/m1-mac-external-monitor-issues-610x298.jpg)