Hey everyone! I took apart my Acer Aspire A715-43G laptop screen and found a thin wire soldered right onto the display controller board. It seems like it connects to the back cover and is attached to a copper foil. I'm curious—could this be a ground wire, or does it serve another purpose? I'm replacing the LCD panel and I'm not sure if I need to re-solder this wire onto the new screen. Any advice would really help!
2 Answers
It's tough to say for sure without seeing a picture, but that wire likely helps shield the display from interference, especially since the wifi antennas are nearby. It's probably best to reattach it when you put in the new screen—things like this aren't added without a good reason.
I had a look at your profile for pictures. That wire doesn't seem like a standard part of the display; it might have been added later, possibly by someone with a bit of electronics repair experience. Since it's part of the current screen, just check if the new one has a similar setup. You probably won't need to de-solder it unless you see the new display doesn't have a place for it.
So, can I just cut that wire off then?