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DisplayPort and text rendering

post #1 of 4
Thread Starter 
When I plug my monitor (DELL U2311H) to my PC with a DVI cable, the text is perfectly clear and crisp. When I use a DisplayPort cable (I need the DVI port for another device now and the display only has one DVI port), the text is blurry and pixelated.

I have ran through the Windows ClearText thing multiple times and the text stays blurry. With DVI it was crisp right off the bat. What is causing this?

The signal should be the same: 1920x1080@60Hz.
post #2 of 4
Are your drivers up-to-date? Also please post your system specs in your sig. This can be found in your control panel by clicking your name found in the upper right of the screen.
Jango (Main Rig)
(23 items)
 
Edward (HTPC)
(16 items)
 
CPUMotherboardGraphicsRAM
Intel Core i7-4790 MSI ATX LGA 1150 Z97 PC MATE mobo EVGA GeForce GTX 1060 SC GAMING 16GB 
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OCZ Agility 4 (OS) 1TB Hitachi (Data & Apps) 1TB Hitachi (Movies & other Multimedia) 750GB 
Optical DriveCoolingCoolingCooling
DVD±RW / ASUS USB 2.0 8x Slim external DVD Burner Cooler Master Hyper T4 NZXT Sentry Mix COOLER MASTER SickleFlow 120mm x2 
OSMonitorMonitorMonitor
Windows 10 Pro 64bit ASUS VS247H-P 23.6"  ASUS VH236H 23"  HP 27" 2560x1440 
KeyboardPowerCaseMouse
Logitech Illuminated Keyboard Corsair Professional Series HX850W CM Storm Trooper Razer Tron 
Mouse PadOtherOther
XTRAC Pads Ripper XL Rosewill Red USB 2.0 7 Port Hub With Power Adapter Creative HS-1000 Fatal1ty Gaming Headset 
CPUMotherboardGraphicsRAM
AMD Phenom II X4 920 2.8GHz Socket AM2+ 125W Qu... ASRock A780GXE/128M AM2+/AM2 AMD 780G ATX ATI Radeon HD 4670 G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1... 
RAMHard DriveHard DriveCooling
G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1... Hitachi 1TB 7200 RPM SATAII 3.0Gb/s Samsung 250GB 7200 RPM Enermax ETS T-40 T.B. SILENCE 
OSMonitorPowerCase
Windows 8.1 Pro 64 bit 47" Sony TV RAIDMAX HYBRID 2 530W Custom Wood Table 
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Jango (Main Rig)
(23 items)
 
Edward (HTPC)
(16 items)
 
CPUMotherboardGraphicsRAM
Intel Core i7-4790 MSI ATX LGA 1150 Z97 PC MATE mobo EVGA GeForce GTX 1060 SC GAMING 16GB 
Hard DriveHard DriveHard DriveHard Drive
OCZ Agility 4 (OS) 1TB Hitachi (Data & Apps) 1TB Hitachi (Movies & other Multimedia) 750GB 
Optical DriveCoolingCoolingCooling
DVD±RW / ASUS USB 2.0 8x Slim external DVD Burner Cooler Master Hyper T4 NZXT Sentry Mix COOLER MASTER SickleFlow 120mm x2 
OSMonitorMonitorMonitor
Windows 10 Pro 64bit ASUS VS247H-P 23.6"  ASUS VH236H 23"  HP 27" 2560x1440 
KeyboardPowerCaseMouse
Logitech Illuminated Keyboard Corsair Professional Series HX850W CM Storm Trooper Razer Tron 
Mouse PadOtherOther
XTRAC Pads Ripper XL Rosewill Red USB 2.0 7 Port Hub With Power Adapter Creative HS-1000 Fatal1ty Gaming Headset 
CPUMotherboardGraphicsRAM
AMD Phenom II X4 920 2.8GHz Socket AM2+ 125W Qu... ASRock A780GXE/128M AM2+/AM2 AMD 780G ATX ATI Radeon HD 4670 G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1... 
RAMHard DriveHard DriveCooling
G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1... Hitachi 1TB 7200 RPM SATAII 3.0Gb/s Samsung 250GB 7200 RPM Enermax ETS T-40 T.B. SILENCE 
OSMonitorPowerCase
Windows 8.1 Pro 64 bit 47" Sony TV RAIDMAX HYBRID 2 530W Custom Wood Table 
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post #3 of 4
I had the same problem with my old display port cable until it broke and I replaced it with a dvi cable and text has been clear ever since weird huh?
post #4 of 4
Thread Starter 
Yeah I've tried a billion different things, messing about with different scaling options, with the displays settings and going through the ClearType thing more times that I can remember and even installed other text renderers but the fact is the text will never be as crisp as it is with DVI so I have just given up.
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