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Overclocking monitor results in mouse lag?

post #1 of 4
Thread Starter 
Hello OCN,

I'm a bit dumbfounded over the whole concept of overclocking a monitor's hz. I have been interested in 1440p 120hz ever since I heard about korean panel monitors being able to overclock to that refresh rate. My Samsung S27B970D unfortunately is only able to achieve 85hz via nvidia control panel custom resolution, even with the pixel clock patcher. Anything above that, the screen image 'vibrates'. My issue is I notice the mouse in desktop mode feels laggier when moving it horizontally across the screen, as I notice it stutters. Going back to the native refresh rate, the mouse is smooth again when moving horizontally. Is this natural to experience?

Should I not bother overclocking the monitor if I am unable to achieve 96hz or 120hz? Since I've been told media naturally play at 24hz, which I do watch a lot of tv shows, anime, and movies. I really want to get the most out of my monitor but don't want to experience flaws or lag. Even more so, I'd love to be able to naturally achieve 120hz and 2560x1440 resolution, but I am very sensitive to black-light bleed and dead/stuck pixels, so I primary stay away from korean monitors especially since the bezel/stand quality isn't the best. Natively, my samsung monitor runs at 59.9(4-5)hz, which bugs me for some reason. I can't create a custom resolution of 60hz because it already exists as a native resolution. frown.gif

I hope you guys can enlighten me about my issue and possibly give some pointers or advice.

Best regards,
problemgaming
post #2 of 4
That happens with my U2913WM when I go above 75Hz.

Well... Imho it's always good for an extra smoothness, I personally am impressed with the difference of just extra 15Hz. I didn't expect it at all.

If I go to 80 or 85Hz, I notice the LCD starts frame skipping. Above that and I get "Out of range" warnings. Try lowering to 80 or 75Hz on your LCD and you should get smooth performance. thumb.gif

cheers.gif
紅白 [Kōhaku]
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円相 [Ensō]
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CPUMotherboardGraphicsGraphics
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紅白 [Kōhaku]
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円相 [Ensō]
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CPUMotherboardGraphicsGraphics
Core i5 3570k @ 4.5GHz - 1.29v Maximus V Formula / Thunder FX EVGA GTX 670 @1333/6500 (Unlocked BIOS) EVGA GTX 670 @1249/6500 (Unlocked BIOS) 
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2x EK FC GTX670 CSQ Phobya Xtreme 400 v2 Alphacool NexXxos XT45 240 Windows 8.1 Pro x64 
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Dell U2913WM 2560x1080 Logitech G15 v2 Orange Zalman ZM850HP (850w) Corsair Graphite 600T SE 
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by Dragoon View Post

That happens with my U2913WM when I go above 75Hz.

Well... Imho it's always good for an extra smoothness, I personally am impressed with the difference of just extra 15Hz. I didn't expect it at all.

If I go to 80 or 85Hz, I notice the LCD starts frame skipping. Above that and I get "Out of range" warnings. Try lowering to 80 or 75Hz on your LCD and you should get smooth performance. thumb.gif

cheers.gif

Thanks for your reply. Unfortunately I still experience this issue when overclocking to 72 hz. A 13hz difference from the 85hz overclock. frown.gif
post #4 of 4
Quote:
Originally Posted by problemgaming View Post

Thanks for your reply. Unfortunately I still experience this issue when overclocking to 72 hz. A 13hz difference from the 85hz overclock. frown.gif

Try going slow when overclocking the LCD... Also take into consideration that not all LCDs can handle overclocking. My previous 22" 1050p LCDs, both would display out of range warnings even with a single Hz OC. I also know someone with a Samsung 24" 1080p LCD (Can't remember the model) that would also display out of range warnings even with minimal overclocking.
紅白 [Kōhaku]
(20 items)
 
円相 [Ensō]
(16 items)
 
CPUMotherboardGraphicsGraphics
Core i5 3570k @ 4.5GHz - 1.29v Maximus V Formula / Thunder FX EVGA GTX 670 @1333/6500 (Unlocked BIOS) EVGA GTX 670 @1249/6500 (Unlocked BIOS) 
RAMHard DriveHard DriveCooling
Kingston HyperX Beast 2133MHz 2x4GB 2x Micron C400 (Crucial m4) 256GB RAID0 2x Seagate 250GB 2.5" 7200RPM RAID1 EK Supremacy Nickel + Plexi 
CoolingCoolingCoolingOS
2x EK FC GTX670 CSQ Phobya Xtreme 400 v2 Alphacool NexXxos XT45 240 Windows 8.1 Pro x64 
MonitorKeyboardPowerCase
Dell U2913WM 2560x1080 Logitech G15 v2 Orange Zalman ZM850HP (850w) Corsair Graphite 600T SE 
MouseMouse PadAudioAudio
Steelseries Sensei Steelpad 5L Logitech Z5400 @ Supreme FX IV Razer Tiamat 2.2 @ Supreme FX IV 
CPUMotherboardGraphicsRAM
AMD A6-5400B @ 3.6GHz Gigabyte F2A88XN-WIFI AMD 7540D 4GB DDR3 1333MHz 
Hard DriveHard DriveOptical DriveCooling
Western Digital Velociraptor 150GB RAID1 1TB Seagate Barracuda ES.2 Samsung DVD-RW DL Noctua NH-C12P 
OSMonitorKeyboardPower
Windows 8.1 Pro x64 32" Sony Bravia LED KDL32-EX710 1920x1080 Logitech LX710 192W AC-DC adapter + 160W DC-DC Pico PSU 
CaseMouseMouse PadAudio
Lian-Li PC-Q11B Logitech LX7 Laser Any surface (lolz) AMD HDMI audio 
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Reply
紅白 [Kōhaku]
(20 items)
 
円相 [Ensō]
(16 items)
 
CPUMotherboardGraphicsGraphics
Core i5 3570k @ 4.5GHz - 1.29v Maximus V Formula / Thunder FX EVGA GTX 670 @1333/6500 (Unlocked BIOS) EVGA GTX 670 @1249/6500 (Unlocked BIOS) 
RAMHard DriveHard DriveCooling
Kingston HyperX Beast 2133MHz 2x4GB 2x Micron C400 (Crucial m4) 256GB RAID0 2x Seagate 250GB 2.5" 7200RPM RAID1 EK Supremacy Nickel + Plexi 
CoolingCoolingCoolingOS
2x EK FC GTX670 CSQ Phobya Xtreme 400 v2 Alphacool NexXxos XT45 240 Windows 8.1 Pro x64 
MonitorKeyboardPowerCase
Dell U2913WM 2560x1080 Logitech G15 v2 Orange Zalman ZM850HP (850w) Corsair Graphite 600T SE 
MouseMouse PadAudioAudio
Steelseries Sensei Steelpad 5L Logitech Z5400 @ Supreme FX IV Razer Tiamat 2.2 @ Supreme FX IV 
CPUMotherboardGraphicsRAM
AMD A6-5400B @ 3.6GHz Gigabyte F2A88XN-WIFI AMD 7540D 4GB DDR3 1333MHz 
Hard DriveHard DriveOptical DriveCooling
Western Digital Velociraptor 150GB RAID1 1TB Seagate Barracuda ES.2 Samsung DVD-RW DL Noctua NH-C12P 
OSMonitorKeyboardPower
Windows 8.1 Pro x64 32" Sony Bravia LED KDL32-EX710 1920x1080 Logitech LX710 192W AC-DC adapter + 160W DC-DC Pico PSU 
CaseMouseMouse PadAudio
Lian-Li PC-Q11B Logitech LX7 Laser Any surface (lolz) AMD HDMI audio 
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