My monitor has been quite dim and I've never really noticed until it start switching to it's normal brightness and looking great to switching back to the dim version again. It's rare that it switches to the normal brightness but when it does it only lasts a few seconds. I've tried absolutely everything In windows brightness settings to my monitor brightness settings and even my graphics card driver settings. I've also tried using a different HDMI cable which also didn't help. Hoping maybe somebody knows anything else I could try. Thanks.