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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

Screen with marks


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skristi

 
Member Since: Dec 04, 2013
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What can be done about the screen if marks (are blue on desktop and turns yellow when in finder window, and increases in yellow when dragging
window) come on the screen. They are yellow or blue and increase in amount when dragging the window. I installed different software, so it is not related to os. i am using powerbook g4 with 10.5.8. thank you

p.s. please see the printscreen attached.
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File Type: png Picture 2.png (1.35 MB, 20 views)
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Raz0rEdge

 
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The fact that you are seeing this issue on a screen capture is usually indicative of a failing graphic card. Does it happen immediately after power-on or does it happen after some time? If the latter, it might heat related..

Either way, not sure there is a fix you can do..

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...Ashwin



Be sure to read the Community Guidelines | The more information you provide, the better answers you get, remember GIGO.
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skristi

 
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Thank you for the answer. It happens immediately after power-on. Even when loading in Open Firmware environment (starting holding apple+alt+o+f keys) there are strange patterns, similar to those yellow, just black. it seems like some small letter/numbers, like a code. You might be very right with the reason of failing graphic card. is it possible to test that somehow and then if it is the reason, to change the card or is it all-in-one setup?

Quote:
Originally Posted by Raz0rEdge View Post
The fact that you are seeing this issue on a screen capture is usually indicative of a failing graphic card. Does it happen immediately after power-on or does it happen after some time? If the latter, it might heat related..

Either way, not sure there is a fix you can do..
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pigoo3

 
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Quote:
Originally Posted by skristi View Post
is it possible to test that somehow and then if it is the reason, to change the card or is it all-in-one setup?
Graphics hardware is integrated...and thus not replaceable. If you want to be 100% sure that the problem is NOT software or OS related...boot the computer from an OS install disk.

If you still get the problem while booting from a OS install disk (DVD)...then it's a hardware issue.

- Nick

- Computer slow, too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some speedup tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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skristi

 
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thank you for the answer. I am sure it is not software or apps or programs, since both 10.4 and now 10.5 shows the same. also, just before booting in the Open Firmware environment i see similar black marks/patterns/dots/symbols, just in certain different areas. Since in open firmware environment i can only write with keyboard, they are stable and not moving, while after loading in normal environment a move creates increases decreases these marks. It seems that graphic card indeed could be responsible for this and maybe i should search for some drivers to update. Is graphic card also responsible for images in the Open Firmware environment?

Quote:
Originally Posted by pigoo3 View Post
Graphics hardware is integrated...and thus not replaceable. If you want to be 100% sure that the problem is NOT software or OS related...boot the computer from an OS install disk.

If you still get the problem while booting from a OS install disk (DVD)...then it's a hardware issue.

- Nick
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The graphics card is responsible for all graphical output at all stages of the boot path. I doubt a software update is going to get this resolved however. It might be time to start looking/saving for a new Mac..

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Regards
...Ashwin



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pigoo3

 
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Quote:
Originally Posted by skristi View Post
I am sure it is not software or apps or programs, since both 10.4 and now 10.5 shows the same.
Well that's good & bad. Good that you definitely know that it's not software/OS related. But bad...since if it is hardware related...then it is not repairable. You must replace the logic board with a working one...which may be cost prohibitive relative to the value of the computer.

- Nick

- Computer slow, too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some speedup tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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skristi

 
Member Since: Dec 04, 2013
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thank you everyone for answers and a great quick discussion. that was exactly what i needed - to find out options. i guess i will just stay with existing screen, since indeed replacing logic board would be expensive. on the other hand, i know what to look for if there will be sudden opportunity to acquire one cheaply. thanks everyone.
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