ท่านทราบหรือไม่ว่าการ์ดจอเวลาท่านเสียบจอกับสาย HDMI มันจะ Detect ว่าเป็น TV ไม่ใช่จอคอม
ทำให้มันส่งสัญญาณภาพไปผิดๆ แทนที่จะเป็น full range RGB 0-255 กลับส่งไปเป็น limit range RGB 16-235 ทำให้สีไม่สวยเท่าที่ควร และภาพจะมีปัญหาความไม่สมประกอบครับ
One of the main weird feature of the Dell U2414H is that you MUST enable the DisplayPort input in the monitor menu before being able to use it. This is one of the major reason that people have problems with this monitor.
Using the buttons on the bottom right of the front bezel (image above), go in the ?DISPLAY SETTINGS? of the monitor menu and select ?DISPLAYPORT 1.2?, then ?ENABLE?. That should enable the monitor for use. If it doesn?t, try the other suggestions below.
Since monitors are consistently updated with new firmware and On-Screen-Display (OSD) menu systems, it could look slightly different then this. You may, like in this example below, also have to select ?DisplayPort? as the INPUT for that monitor (choose ?DISPLAYPORT? in the ?INPUT SOURCE? menu):
Other Possible Dell U2414H Problems & Causes:
Cable connected to the wrong DisplayPort input
Your cable MUST be connected to any of the two DisplayPort IN port (NOT ?DisplayPort out?). Many monitors will have both a Mini DisplayPort and a standard DisplayPort input port. You may connect them in any one of those two. Refer to your monitor manual for more details. Note: The DisplayPort OUT port is meant to DAISY-CHAIN many monitors together, if your video card & motherboard & monitors support it. Note: If there is only ONE DisplayPort, then it will be a DisplayPort IN.
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