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Is there an alternative to DPI scaling (I am open to third-party programs) which makes items look less pixelated at high DPI settings?

I have a 15.9" laptop screen with a 1920x1080 screen. I'd like to make the items on the screen larger without causing excessive pixelation. Initially, I tried increasing the DPI on my screen using Windows settings, although many icons became more blurry by setting the DPI to 115% of default. Below are two examples of icons from paint and my taskbar, respectively:

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Am I doing DPI scaling incorrectly? If not, is there any third-party program which allows me to increase the size of the images on my screen without excessive blurring?

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Have you tried using ClearType Text Tuner to improve the subpixel rendering? –  Alok Apr 10 '13 at 0:54
I think ClearType Text Tuner is only for text, whereas I'm having issues only with images. Notwithstanding, I tried using it, but notice no difference. –  Draksis Apr 10 '13 at 1:17

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