Overclock.net › Forums › Consumer Electronics › HDTV › Strange TV resolution issue...
New Posts  All Forums:Forum Nav:

Strange TV resolution issue...

post #1 of 32
Thread Starter 
I have a tv that apparently does 1080i. When I set the desktop to 1920x1080i I am limited to a 30hz refresh rate. The screen also flickers because of this low refresh rate I'm assuming. I did a test of a custom res which was the same but I used 59hz, but the screen still flickered and also looked mildly corrupted. So I guess the verdict is that this screen can't do this res above 30hz successfully right? Seeing as it recommends I set the desktop to 1280x720 @ 60hz I'm thinkin that's it.

Well the thing that's odd about it is that I run games on it at 1920x1080 @ 60hz. I do get a bit of ghosting in games (but I think this happens at 1280x720 also and is probably more to do with the response time of the screen right?). The games seem to be fine like this though. Also I wasn't able to select that custom res with 60hz on the desktop (I was only able to test it). It's really forcing it to stay at 30hz. But for some reason games are an exception.

Can anyone help me figure out what's going on here? Thanks.
post #2 of 32
wat kind of monitor or tv ur using?
post #3 of 32
Thread Starter 
Quote:
Originally Posted by Lionheart1980 View Post

wat kind of monitor or tv ur using?

It's an Orion TV. Is there any specific info you want? Thanks.
post #4 of 32
1080i TVs aren't natively 1080i. They are 720p.

It's "downscaling" (in actuality just converting, since 1080i is really more like 960x540 per frame) the 1080i signal to 720p.
NZXT Source 210
(12 items)
 
   
CPUMotherboardGraphicsRAM
AMD FX6300 Gigabyte 78LMT-USB3 AM3+ Gigabyte Radeon R9 270X Kingston HyperX 8GB DDR3-1600 
Hard DriveHard DriveCoolingOS
Western Digital WD5003AZEX Samsung 840 Evo Cooler Master Hyper 212 Plus Windows 8.1 
MonitorPowerCaseAudio
40" 1080p Sceptre LCD HDTV Corsair CX600M NZXT Source 210 Elite - Black Yamaha RXV1065, Grado Labs SR80, Cerwin Vega E315 
CPUMotherboardGraphicsRAM
Intel Pentium 4 w/ HT 3.2GHz Dell N6381 Intel Extreme Graphics 2!!!!!!!!!!!!!!!!!!!!!!!... 512MB DDR 400 
Hard DriveCoolingOSPower
Western Digital 160GB IDE lol. Windows XP Home Edition 32bit Dell M0148 250w 
Case
Dell Dimension 3000 
  hide details  
Reply
NZXT Source 210
(12 items)
 
   
CPUMotherboardGraphicsRAM
AMD FX6300 Gigabyte 78LMT-USB3 AM3+ Gigabyte Radeon R9 270X Kingston HyperX 8GB DDR3-1600 
Hard DriveHard DriveCoolingOS
Western Digital WD5003AZEX Samsung 840 Evo Cooler Master Hyper 212 Plus Windows 8.1 
MonitorPowerCaseAudio
40" 1080p Sceptre LCD HDTV Corsair CX600M NZXT Source 210 Elite - Black Yamaha RXV1065, Grado Labs SR80, Cerwin Vega E315 
CPUMotherboardGraphicsRAM
Intel Pentium 4 w/ HT 3.2GHz Dell N6381 Intel Extreme Graphics 2!!!!!!!!!!!!!!!!!!!!!!!... 512MB DDR 400 
Hard DriveCoolingOSPower
Western Digital 160GB IDE lol. Windows XP Home Edition 32bit Dell M0148 250w 
Case
Dell Dimension 3000 
  hide details  
Reply
post #5 of 32
Thread Starter 
Quote:
Originally Posted by Cheezman View Post

1080i TVs aren't natively 1080i. They are 720p.
It's "downscaling" (in actuality just converting, since 1080i is really more like 960x540 per frame) the 1080i signal to 720p.

sorry man i don't quite understand :/ there is definitely more detail in games when i am running it at 1920x1080. i have tested it thoroughly. i think i'm mainly confused about why the desktop can only run 30hz at this res where as games are fine at 60hz. maybe that's what you tried to explain to me but i didn't get it sorry...
post #6 of 32
Maybe it has something to do with your TV's refresh rate. Some TV's are 50hz and if you put 720p TV into 1080i mode it might sound logical. My TV is also fine, but when it goes into 1080i, screen start's shaking, but I cant see anything like that while playing move or anything.
A computer
(16 items)
 
  
CPUMotherboardGraphicsRAM
i5-3570K GIGABYTE Z68XP-UD3 Sapphire HD 7950 OC FLEX 3GDR 2x4 GB GEIL 1600mhz 
Hard DriveHard DriveOptical DriveCooling
Western Digital Green OCZ Vertex 4 - 128 GB Don't have Hyper 212+ EVO 
OSMonitorKeyboardPower
Win 7 Ultimate Dell U2713HM Roccat Isku Seasonic 520W 
CaseMouseMouse PadAudio
Corsair 300R Roccat Kone+ Not yet :D Cheap 5.1 speakers 
  hide details  
Reply
A computer
(16 items)
 
  
CPUMotherboardGraphicsRAM
i5-3570K GIGABYTE Z68XP-UD3 Sapphire HD 7950 OC FLEX 3GDR 2x4 GB GEIL 1600mhz 
Hard DriveHard DriveOptical DriveCooling
Western Digital Green OCZ Vertex 4 - 128 GB Don't have Hyper 212+ EVO 
OSMonitorKeyboardPower
Win 7 Ultimate Dell U2713HM Roccat Isku Seasonic 520W 
CaseMouseMouse PadAudio
Corsair 300R Roccat Kone+ Not yet :D Cheap 5.1 speakers 
  hide details  
Reply
post #7 of 32
Thread Starter 
Quote:
Originally Posted by Layo View Post

Maybe it has something to do with your TV's refresh rate. Some TV's are 50hz and if you put 720p TV into 1080i mode it might sound logical. My TV is also fine, but when it goes into 1080i, screen start's shaking, but I cant see anything like that while playing move or anything.

sounds like the same situation as mine. mine will do 720p @60hz always. it's just when i run 1920x1080i it runs at 30hz and the screen flickers. but somehow games seem to run at 60hz with that res without the screen flickering.
post #8 of 32
Yea, weird lol... but as far as it works it's k tongue.gif. Mine's "Technika", no name brand from tesco... lol. When I grow up a little and move into my own flat, I'm gonna sell it and purchase some normal 47'
A computer
(16 items)
 
  
CPUMotherboardGraphicsRAM
i5-3570K GIGABYTE Z68XP-UD3 Sapphire HD 7950 OC FLEX 3GDR 2x4 GB GEIL 1600mhz 
Hard DriveHard DriveOptical DriveCooling
Western Digital Green OCZ Vertex 4 - 128 GB Don't have Hyper 212+ EVO 
OSMonitorKeyboardPower
Win 7 Ultimate Dell U2713HM Roccat Isku Seasonic 520W 
CaseMouseMouse PadAudio
Corsair 300R Roccat Kone+ Not yet :D Cheap 5.1 speakers 
  hide details  
Reply
A computer
(16 items)
 
  
CPUMotherboardGraphicsRAM
i5-3570K GIGABYTE Z68XP-UD3 Sapphire HD 7950 OC FLEX 3GDR 2x4 GB GEIL 1600mhz 
Hard DriveHard DriveOptical DriveCooling
Western Digital Green OCZ Vertex 4 - 128 GB Don't have Hyper 212+ EVO 
OSMonitorKeyboardPower
Win 7 Ultimate Dell U2713HM Roccat Isku Seasonic 520W 
CaseMouseMouse PadAudio
Corsair 300R Roccat Kone+ Not yet :D Cheap 5.1 speakers 
  hide details  
Reply
post #9 of 32
1080i is interlaced. i.e. Half the screen is loaded at a time, that means that on a 60Hz panel the maximum true refresh rate is 30Hz. Your screen can't actually go above 30Hz. If you want to be able to game or anything at 1080 resolution you will need a 1080p screen. It's likely that the issue becomes less apparent during games but it would still be there.
My System
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 3770K 4.6GHz @ 1.27v ASRock Z77E-I Gigabyte GTX 780 8GB G.Skill Ares (2x4GB @ 1866MHz OC'd to 2133) 
Hard DriveHard DriveCoolingCooling
Samsung 840 Evo 500GB WD Black 2.5" 750GB Heatkiller 3.0 CPU Block Aquacool NeXXos UT60 240mm Radiator 
CoolingCoolingCoolingOS
Aquacool NeXXos ST30 120mm Radiator Aquacool NeXXos NVXP GTX 780 Waterblock 3x Corsair SP120 Fans Windows 8 x64 Pro 
MonitorMonitorPowerCase
Dell U2711 (2560*1440) QNIX Q2710 (2560*1440) SilverStone 550W Bitfenix Phenom 
  hide details  
Reply
My System
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 3770K 4.6GHz @ 1.27v ASRock Z77E-I Gigabyte GTX 780 8GB G.Skill Ares (2x4GB @ 1866MHz OC'd to 2133) 
Hard DriveHard DriveCoolingCooling
Samsung 840 Evo 500GB WD Black 2.5" 750GB Heatkiller 3.0 CPU Block Aquacool NeXXos UT60 240mm Radiator 
CoolingCoolingCoolingOS
Aquacool NeXXos ST30 120mm Radiator Aquacool NeXXos NVXP GTX 780 Waterblock 3x Corsair SP120 Fans Windows 8 x64 Pro 
MonitorMonitorPowerCase
Dell U2711 (2560*1440) QNIX Q2710 (2560*1440) SilverStone 550W Bitfenix Phenom 
  hide details  
Reply
post #10 of 32
Yea frown.gif
Is your desktop "larger" then the TV too? I can't see like half of icon on ides and around 70% of taskbar. Didn't really play with resolutions or anything yet.
A computer
(16 items)
 
  
CPUMotherboardGraphicsRAM
i5-3570K GIGABYTE Z68XP-UD3 Sapphire HD 7950 OC FLEX 3GDR 2x4 GB GEIL 1600mhz 
Hard DriveHard DriveOptical DriveCooling
Western Digital Green OCZ Vertex 4 - 128 GB Don't have Hyper 212+ EVO 
OSMonitorKeyboardPower
Win 7 Ultimate Dell U2713HM Roccat Isku Seasonic 520W 
CaseMouseMouse PadAudio
Corsair 300R Roccat Kone+ Not yet :D Cheap 5.1 speakers 
  hide details  
Reply
A computer
(16 items)
 
  
CPUMotherboardGraphicsRAM
i5-3570K GIGABYTE Z68XP-UD3 Sapphire HD 7950 OC FLEX 3GDR 2x4 GB GEIL 1600mhz 
Hard DriveHard DriveOptical DriveCooling
Western Digital Green OCZ Vertex 4 - 128 GB Don't have Hyper 212+ EVO 
OSMonitorKeyboardPower
Win 7 Ultimate Dell U2713HM Roccat Isku Seasonic 520W 
CaseMouseMouse PadAudio
Corsair 300R Roccat Kone+ Not yet :D Cheap 5.1 speakers 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: HDTV
Overclock.net › Forums › Consumer Electronics › HDTV › Strange TV resolution issue...