Have you pressed the Auto button on the monitor?
What OS are you using?
How are you connecting, hdmi, dvi or vga?
This is a link to the manual, ftp://europe.aoc.com/DriversManuals/Manuals/i2369Vm/Manuali2369Vm_English.pdf
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
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Comment booster votre iPhone ?