garbled screen

Hi. I installed mojave on my laptop but i cannot use it. I get a gray screen after the apple logo finish loading, if I pres keys like ESC or the spacebar I'm able to see for a fraction of a second the window, and then returns to the grey screen. I was able to login entering the password with the...

Hi, longtime lurker, but now its time for me to ask of some assistance. I only get one screen mode that works, the highest available mode 1080p works, all other sceenmodes gives garbled broken display, i'll attach a image of it. I followed this guide...

Hi! I am actually running high sierra in legacy because is the solution I read in the forums for garbled graphics. If I run osx in uefi mode I get a garbled screen UNTIL i put the laptop to sleep ( closing the lid ) and I wake it up again. From that moment on everything works fine. So what if we...

Hi, This is my first post here, so don't hesitate to point out if I missed anything, thanks. I believe that I'm having the following problems at the same time: - garbled graphics after clover screen (happens most of the time, yet occasionally I get correct pictures) - prohibited sign after...

Hi tonymacx86, I recently installed a fresh copy of macOS Sierra 10.12 on my Alienware 17 (Check signature for config). I installed Nvidia web drivers and then rebooted. After the loading screen it got a garbled screen. when I checked my web drivers preferences, I saw No Device Found. Please...

Hi guys,.. I'm experiencing a weird issue here.. I installed Yosemite successfully on my SSD, tried to boot it with chimera installed on my EFI Partition and then there was this apple logo with loading bar and halfway there, the screen flashed and then the Mac OS cursor showed up like...

hello. First of all, sorry for my poor english. i'm using Acer v3-371-53zb in South Korea. cpu : broadwell core i5-5200U ram : 16GB (8gb x 2) gpu : HD 5500, (1920x1080 FHD) The problem is the 'garbled screen'. i followed the link -...