Black screen on bootup and ding on startup

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PowerBook G4 Aluminum 15" 1.5-1.67 GHz

Model A1106 / 1280x854 screen resolution

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Buck @buck50102

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发帖于: 2011年7月31日

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Black screen on bootup and ding on startup

Hi,

I have a PowerBook G4 1.67GHz running 10.4.11.

I worked on it and closed the lid. After some time opened, but it would not wake from sleep. Just got the black screen. I tried restarting. On startup I could hear a couple of ding-ding sounds (not the apple startup chime). I could hear the computer working, and see the light in front is on. I then tried the safe boot up but this time I heard more dings and nothing on the screen. I tried connecting it to an external source to see if its a screen issue, but no luck.

I then restarted and inserted my OS 10.4 disk, which went in. I tried to reboot from the disk, I could hear the disk spinning, but nothing came to life. And now the disk is stuck in the drive!

Any help would be greatly appreciated!

Thanks.

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Are you getting three dings?

由 mayer 完成的 2011年7月31日

Yes I am getting 3 dings

由 Buck 完成的 2011年7月31日

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mayer @mayer

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发帖于: 2011年7月31日

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The three dings indicate a RAM problem. First try reseating each stick. Then check in the system profiler to see if they are being seen. Next remove both and insert just one and try to start. Next move it to the other slot. Do this with the other chip as well. We are testing both the RAM and the RAM slots. Slots on your machine have been known to go bad.

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Hi mayer. Thanks for your help. I had actually looked at the RAM slot as well. And from what I could see, I only have one stick. But I will go and check it again

由 Buck 完成的 2011年7月31日

Reseat it and also try it in the other slot.

由 mayer 完成的 2011年7月31日

Will do it when I get home and post the result.

由 Buck 完成的 2011年7月31日

Mayer, Thanks a lot! It worked. I removed the RAM from previous slot and put it in the new slot and its working now. Thanks for your help!

Cheers.

由 Buck 完成的 2011年8月1日

Glad I could help. Go ahead and reseat that stick in to other slot to see if the slot is gone. Your machine will run fine with a 1 GB stick in the working slot, even less, but slower.

由 mayer 完成的 2011年8月1日

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Hi mayer. Thanks for your help. I had actually looked at the RAM slot as well. And from what I could see, I only have one stick. But I will go and check it again — Buck
Mayer, Thanks a lot! It worked. I removed the RAM from previous slot and put it in the new slot and its working now. Thanks for your help!

Cheers. — Buck
Glad I could help. Go ahead and reseat that stick in to other slot to see if the slot is gone. Your machine will run fine with a 1 GB stick in the working slot, even less, but slower. — mayer

PowerBook G4 Aluminum 15" 1.5-1.67 GHz

Black screen on bootup and ding on startup

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