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I bought a macbook pro but the display showed yellow lines.

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Jul 15th 2012 18:52
I bought a macbook pro and reached it yesterday.
However the display showed yellow lines like upper photo(the photo is my macbook's).
It wasn't good situation, it isn't always same, occasionally it's correct. I think this problem happened at booting after mac sleeping long. if I use it long, the situation wasn't occurred.

I called mac support, then he told me NVRAM cleared as suggestion. The way was pressing keeping Command-key and Option-key and P and R button at the same time after booting beep calling. if it's successful, rebooting twice.

I do that.
What's happened from now?
EGlenn
Thank you for your correction!
Jul 16th 2012 10:11
  • I bought a macbook pro and reached it yesterday.

  • I bought a macbook pro and received it yesterday.

 
  • However the display showed yellow lines like upper photo(the photo is my macbook's).

  • However the display showed yellow lines like in the upper photo (the photo is my macbook).

 
  • It wasn't good situation, it isn't always same, occasionally it's correct.

  • It's not a good situation. The yellow screen isn't always the same, occasionally it's correct.

 
  • I think this problem happened at booting after mac sleeping long.

  • I think this problem occurs after waking from sleep mode.

 
  • if I use it long, the situation wasn't occurred.

  • if I use it for a long time, the situation hasn't occurred.

 
  • I called mac support, then he told me NVRAM cleared as suggestion.

  • I called mac support, then he suggested that I reset the NVRAM.

 
  • The way was pressing keeping Command-key and Option-key and P and R button at the same time after booting beep calling.

  • The reset was done by pressing the Command-key, Option-key, P and R keys at the same time after reboot.

 
  • if it's successful, rebooting twice.

  • if it's successful, then try rebooting twice.

 
  • I do that.

  • I did that.

 
  • What's happened from now?

  • What's will happen now?

 
I looked over some of the Apple Tech sites and there seems to be a quick way to find out if this is a hardware or software problem.

The next time the yellow lines appear, press the Command-Key, the Shift-key and the 3-key at the same time. This will take a screenshot of your desktop. You'll find the file on the Desktop with a name something like "Screen Shot 2012-07-15 at Sun, July 15, 2012 9.01.21 PM" (I just took one of mine as a sample). I've never seen a Japanese screenshot, but the date and time layout should be similar.

If the yellow lines are in this screenshot, it's software. If they're not in the screenshot, it's hardware (bad screen or video card).

Since you just got it, any hardware problems should be repaired or exchanged for free.

Good luck!
Jul 16th 2012 14:39 AXT
Thank you for your corrections. Your advice is very useful. Fortunately (Unfortunately?) the yellow lines never appear after that.
I see. If it appears, I'll take a screen shot!
Thank you for all the way getting answer to me!!
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I bought a macbook pro and reached it yesterday. However the display showed yellow lines like upper photo(the photo is my macbook's). It wasn't good situation, it isn't always same, occasionally it's correct. I think this problem happened at booting after mac sleeping long. if I use it long, the si


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