![]() ![]() 60 Hz, I can't change that.Īnd, you said that switching to a digital video output would fix it but yeah my monitor only supports VGA. I haven't changed any refresh rate settings, it is at the default(and the only option available) ie. (This is why monitors sometimes ship with "drivers" - these tell Windows which resolutions and refresh rates the monitor supports, instead of Windows having to autodetect it and sometimes detecting it wrong.)īut why am I facing all these issues now, I mean the system has worked flawlessly for the past few years. Try to find the problem refresh rate(s) and eliminate them. When you go into a game or watch a video in full screen, it switches to that different refresh rate which for some reason the monitor has a problem syncing with. Since your problem is intermittent, the monitor is probably just fine with most refresh rates but has problems with one or a few. Try seeing what resolutions and refresh rates are available for your monitor. ![]() ![]() However, I assume you're using a VGA cable because your monitor only supports VGA input? The easy fix would be to switch to a digital video cable (HDMI, DVI, displayport). That's why you've got horizontal stripes - every few lines synchronize to a different start/end position on the screen (can clearly see this where the black stripes end on the left - the end of the black is where the scan line is starting for that row of pixels). For some reason your monitor is not able to detect the sync signal, or it's syncing to the wrong place. LCD monitors do it electronically and automatically, to insure the correct signal is applied to the correct pixels. Back then the monitor had knobs you could turn to modify the sync to help the picture line up with the edges of your screen. Back in the CRT days, the monitor would use that signal to synchronize its scan rates, thus insuring the image didn't crawl across the screen. An analog VGA signal denotes where a horizontal scan line (row of pixels) starts and stops with a sync signal. I had an Nvidia GT 610 before, there was no problem with it, and even this one worked well for like an year or so.until this happenedĪnd the thing is that I really can't afford a GPU replacement right now, so I really need your guys' help! However, I haven't tried doing a clean install of Windows(It would be real headache to reinstall all my programs), if you guys think that could help, please let me know. I've taken out, cleaned the GPU and reseated it back again.I've tried underclocking the core clock from 800 MHz to 750 MHz(I couldn't underclock the memory clock), the temperatures are completely normal. I've checked the VGA cable and my monitor, they're completely okay. I've tried uninstalling the drivers 3rd party utilities like DDU(from windows safe mode) and then reinstalled the latest available drivers back again. Now, here's the thing, I've read a lot of forum's, where people are facing this issue, and most of them have the AMD HD series of Graphics Cards. The PC would work like normal, and I have noticed this issue mostly while watching some video, playing some game or video editing and sometimes even on the desktop. Sapphire HD 6670 1GB DDR5 GPU (the culprit of this issue according to me) I use my PC for programming, web surfing etc and all of a sudden this glitch hits my PC where the screen would split vertically, horizontal lines would appear, it would glitch crazy as hell to the point where my PC would give up and reboot back to normal. So, here's what's been happening to my PC recently(which was perfectly functional for the past couple of years).
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