dell latitude 7490 lcd screen in stock

Dell laptops have a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with the LCD (screen) of the Dell laptop or with the video card (GPU) and PC settings.

When you notice screen abnormalities like flickering, distortion, clarity issues, fuzzy or blurry image, horizontal or vertical lines, color fade etc., it is always a good practice to isolate the LCD (screen) by running the Built-In Self Test (BIST).

40-pin eDP Touch -used on newer laptops after 2015, the additional pins over the 30-pin eDP connector are needed for a built-in (on-cell) touchscreen functionality.

"40-pin eDP Touch" LCDs are not interchangeable with "40-pin eDP QHD+" screens. Even though the connectors are the same, plugging a "40-pin eDP Touch" LCD in-place of a "40-pin eDP QHD+" screen will not provide the touch functionality, and vice-versa, plugging a QHD screen in place of a 40-pin touchscreen will not provide higher resolution.