in the last 6 mos my macbook pro OSX.6.8 has failed 3 or 4 times. The screen becomes blurry and pulses. I have rebooted using start up disc nd that sometimes works. It seems to be happening more frequently now. It isn't video card as I have it connected to an external monitor and that works fine but I am tied to my desk.
Any ideas on what/how I might remedy this problem?
Any ideas on what/how I might remedy this problem?