2 3 beeps and/or pressure applied to case causes lines or power shutoff.
Sometimes the computer will simply give me 3 beeps and not turn on. Other times it will boot up normally, but if I apply pressure to the case to the left of the trackpad or lift and move the computer around with any kind of velocity it will display lines like this and either go back to normal after releasing pressure or shut off:
I have tried every kind of RAM configuration and with different verified RAM sticks, and have determined it is not (at least simply) a RAM issue. Also, the battery is not bloated and only has 230 cycles
When the computer is booted up and left undisturbed, it functions normally.
Any wisdom you guys might share would be much appreciated!
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See if it is doing the same thing with an external monitor.
из mayer