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My apple powerbook display is just showing blank. I had turned the powerbook G4 and when I went to restart it the display would not show anything. I can hear the startup sound but nothing on the screen. What could be the problem.Could you please help?
Re: My apple powerbook display is just showing blank. I...
Just remove ur CMOS battery and harddisk connection from motherboard. And then try to restart it will give u a msg no boot device or OS found.. Now reboot and add the CMOS battery and harddisk on motherboard...
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If you can get your laptop connected to an external monitor it will do the main troubleshooting for you. With it connected and set to display on the monitor, the 2 options below are pretty solid;
1. If the monitor shows your nomal desktop display without any distortion or lines, etc, then you can be fairly certain your LCD screen panel on the laptop is just wearing out.
2. If the monitor shows exactly what the laptop does, i.e., same exact problems, then it means that the Video chip on the logic board is about to fail and you'll have todecide whether to repair or upgrade to a newer machine.
Use the install discs that came with the machine. Insert the disc 1, shut down the machine, turn it back on and press and hold the option key until the DVD icon shows. Then click on the icon and then click on the right arrow. When the disc boots you need to go to the top and find the disc utility folder. Then select reset password. Then choose restart.
sotware is awry
1. put in your system disk and restart holding the c key
2. when the screen shows hit continue
3. go to utilities in the header menu
4. select disk utilty
5. select repair permissions
6. select repair disk after the permission repair is complete
7. quit utility go to start up disk
select your hard drive and restart
good luck
If you have the original install CD or the OSX CD, boot to CD. To do that you must insert CD, restart PowerBook and hold letter "C" on keyboard while computer is starting, then take the first steps towards installing the OS, when you get to the bar on the top go to Tool>Utilities>Disk Utilities then select the drive a do a disk repair. That may fix the problem and bring your system back to booting normally.
The hard drive is probably on it's way out. You can get and run Disk Warrior and you could repair permissions and such but the hard drive is probably on it's way to the grave.
A couple things though. It isn't enough to just put the disk in, you need to hold down "c" while the computer starts for it to try to run off your disk. You can then try to repair permissions and fix the disk from the installation program that starts. When the Install OS X screen comes up (looks like a desktop but with the big dialog box in the middle) click on Utilities at the top and then on Disk Utility. HERE IS APPLE'S SITE for you to read about how to try to repair your disk. I've found that this sometimes works and may help it work enough for you to get your files off, but may not.
Another method would be to get another Mac, and hook the two together with a firewire to transfer your files, then reinstall OS X in your ailing computer. Go HERE to read about this technique.
in the System section choose UniveralAccess>Seeing and make sure it says Black on White is selected, that Use Grayscale is unchecked and contrast is set to Normal.
If it's not that then its your display and needs a service.
your lcd probably just went out or the connecting cable just came loose(its in behind the lcd under the apple logo that lights up when you turn it on) if you open and close it frequently it will cause this
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