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The CPU speed alone is not enough to identify your Mac Pro model. You would also need to know when it was manufactured (for example, those made in mid-2010 can use cards that won't work in early 2010 or older models). This information is easily obtained from System Profiler (in the Apple menu, select "About This Mac," then click on "More Info...").
Once you know the specific model or date of manufacture, you can look through Apple Support articles for graphics compatibility information. Apple Support Search Try searching within these results for your model number or the year to cut down on the number of titles.
If you were to log on to the
manufacturer's web site, I think you will be pleasantly surprised as
usually one is able to download, by model number, Customer
Instruction Manuals, list of
Dealers and Driver downloads as
Just Google the manufacturer's name and
follow the links. Make certain you are directed to the manufacturer's
web site as some search engines direct you to other sites and they
charge for the information that is normally free of charge.
Unfortunately, we have no means of separating valid requests of this type from requests posted by people with stolen laptops. When work of this type arrives at our shop, we have the means to unlock the Mac, but we will perform content and serial number checks to ensure the machine was acquired properly. And yes, we have identified stolen machines in this manner. Even stipulating that you are an honest owner, posting unlocking instructions here would empower other readers who are not. If you can't get hold of your friend, I recommend you bring your machine in to an Apple-certified establishment and have the work performed for you.
To restore an iBook G3 to factory settings you need the installation CDs that came with the iBook. Ask your friend to find them. Sometimes you can purchase replacement sets on eBay, but they have to be for your exact model. Please realize that the original installation CDs that came with this iBook will contain OS 9, not OS X, so I question whether you really want to restore this machine "to factory settings." What you may choose to do instead is a "clean install" from a more recent retail OS X CD or DVD.
Obtain any model of USB keyboard from any other computer and plug it into your MacBook. If you can type those letters from that keyboard, you have a keyboard hardware issue. If you still can't, check System Preferences / International and make sure you are set to use the US keyboard.
unfortunately on the newer mac computer including the macbook you cannot boot to open firmware but there are other options
option 1)simply try holding down the mouse button or track pad button during boot after the first chime is sounded this will instruct the computer to eject the cd through the firmware
option 2) you can bypass the cd boot by holding down the option key after the first boot chime another simple solution this will allow you to choose a startup disk during...startup
after which you can try the eject button on the keyboard or select the disk in finder and eject via trash can or eject symbol(symbol located in the open folder view of finder)
option 3) there is also a manual eject button though it may be harder to locate as they have change placements of it over the years however it can usually be found by probing the top center or far right of the cd slot with a paper clip just be gentle you don't want to damage an expensive piece of equipment by just carelessly jamming metal in it
you may want to try searching apple with your particular model and search for manual cd eject