Powerbook G4 17" (2003)

Hello,

Have you tried connecting the PowerBook to an external monitor?

Try resting the PMU to see if that help. Sometimes when you replace faulty memory it need a rest.

http://support.apple.com/kb/HT1431

Hello,

You need to take off the battery and un plug the PowerBook.

Hold down the power button for five seconds.

Then put your battery back in and plug it back in. Try switching it on after that.

Hopefully it will help. (Fingers crossed)

I've have this current problem with a friends Acer laptop.

It turned out to be a problem with the memory.

I'd check that you have the correct memory and it's seated correctly.

I would expect to hear bleeps, but that's not always the case if it's due to a problem with the memory module. (Like the Acer)

Double check the memory.

Best of luck

Hello all. I've been having a similar(not identical) issue lately. Please help.

The info: PowerBook G4, screen developed vertical lines about 3 years ago. I had the screen replaced at my local Mac store.

Now... My screen went completely black on me, while surfing the nets.

I don't have the money to have the screen replaced right now, so, fearing that my issue is the screen(again), I bought an auxiliary monitor cable( DVI-to-VGA) as a short-term fix.

Now, I get home and plug my PowerBook into the back of my Sony Z series HD tv....... And....

I get the Mac wallpaper( the cosmos default wallpaper) but, no box to log in with.

I can't see the user account log-in box that pops us before you can access the computer.

I am stuck. Can anyone help, and suggest possible issues, or give ideas to what I am experiencing?

I appreciate all help.

Hello,

No doubt your screen settings is in correct.

You may not have the screen setup as mirror, but set to extended monitor, which means you will not see the log in screen as its shown on the main PowerBook screen which you have established is not working.

The only thing you could do is boot to safe mode and see if you can change the monitor setup from extended to mirror.

This is the link to help you boot to safe mode. http://support.apple.com/kb/HT1455

Best of luck

Hello again, we'll, I've tried the safe boot method as you've recommended. But, unfortunately, this didn't help.

The screen stayed black(on my PowerBook) and the screen on my tv was black, with only a white box in the middle(no actions were possible). I tried moving my finger along the trackpad to see if the mouse icon would show up, or, I would accidentally click on something(even though I couldn't see anything).

No luck.

Thank you for the consideration. I'm willing to try anything else, if anyone has any ideas. Otherwise, I'm convinced that I will have to bite the bullet and have a tech look into it.

Troubleshooting portables that won't turn on or start up

http://support.apple.com/kb/TA25686?viewlocale=en_US

Troubleshooting: My computer won't turn on

http://support.apple.com/kb/TS1367

 Cheers, Tom 😉