I had the same problem but is so easy to fix.The part costs from $25.00 to $50 depending where you buy it from.Once the part gets to you email i will guide you step by step.Just use this link for the part lovemacs_2022_236981589
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Try clear epoxy glue. It will come in two tubes that you mix together. You will need to have a way to hold the parts in place until it reaches full strength ~ 24 hrs. Available at Harbor Freight online or HF stores.
The red line could be caused by the cable, or it could be a problem
with the monitor. Pretty easy to test, though, just get another cable
and swap it out.Sometimes the cable that snakes through the
hinge gets worn causing display artifacts. Try flexing the hinge and
see if the behavior changes.
The base of the G19LWK can be removed but it takes a little work. You have to remove the black plastic case that sandwich the LCD screen. First remove all the screws on the backside of the monitor. Then, at the seam of the two casement halves, GENTLY pry the front screen frame away from the display. Work carefully all around the edge of the display to separate it a little at a time and the pull it away in one piece. Next you will find that the back casement is held to the display with plastic tabs around the perimeter. Carefully pry the tabs away from the display frame to separate and remove the back casement. Now the base mounting is exposed on the backside and held with 4 screws. Remove the screws and the base will come free. Re-assemble the casement by snapping the back on first followed by re-installing the screws. Then snap the front frame by lining of the plastic tabs and pressing the frame down evenly around the display. You are done!
It's fortunately quite easy to adjust the resolution your MacBook Pro sends over to your external display. Try this:
Click the blue Apple icon, at the top-left of your display (while connected to your 23" external monitor).
Click on "System Preferences".
Click on "Displays" in the "Hardware" row.
A display preferences window should now open on each display... one on your laptop, and one on the 23".
In the "Display" tab of this preference window, specifically the one located on your 23" display, should be a list of resolutions available. Scroll down and select the highest resolution, which for a 23" should be 1920x1200.
This should adjust your resolution to the maximum. To make these settings easier to get to in the future, check the box in the display preferences labeled "Show displays in menu bar". You'll see a small icon, meant to look like a display, appear in your menu bar. Going forward, you can click on this to set/change resolution settings without going through all the above steps.