Hold down c key wont boot from disk

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Mark
Motorola Mobility Support

reset pram,

try holding down s key to boot in safe mode,


try holding down option key on startup and select drive,


install system disk and restart holding down c key.

you could try to boot form a cd normaly by holding down the letter con the keyboard while it tries to boot up. make sure you have to OS disk in or another bootable disk. but it sounds like the hard drive i. hope that helpss faulty or that the os has become curropt

1) connect your external monitor to the laptop and then switch the monitor on
2) boot up the laptop
3) after it has successfully booted, you need to identify which function key toggles the external monitor on/off
4) you should be able to do this by holding down the Fn key and trying each of the F keys in turn, waiting a few seconds after pressing each one
5) begin by holding down "Fn" + "F3", "Fn" + "F4", "Fn" + "F5" etc.

If this doesn't work, it may be worth examining all the keys and look for a small monitor symbol on one of the keys. If you find this symbol, hold down the Fn key and then hit the corresponding key with the monitor symbol.

Try holding down ALT while booting up and select Macintosh HD. If that doesn't work try inserting your mac osx install CD or DVD restart hold down ALT. Select the CD using the arrow keys after the CD has loaded go up to the drop down menus and go to disk utility, then click on your main boot disk (macintosh HD) and under the First AID tab (if your using osx) click verify permissions and restore permissions, then click verify disk and repair disk. Try to boot up. If this doesn't work restart leaving work mac osx CD in hold down D then follow the disk checker steps. This will tell you if there are any errors on your disk (hard drive). If there are you need to get it fixed or replaced.

Try restarting and holding down the command and C keys at startup. This should eject the disk. If that doesn't work, restart with the mouse button held down. This is also to eject the CD. If it doesn't boot correctly after the CD is out, restart holding command, option, O and F. This should bring up an open firmware command prompt screen. Type in "reset-all", without the quotation marks, and press enter. This will restore the PRAM and NVRAM to factory defaults and should allow normal booting. It may take a bit longer to boot the first time after you do this.

The blinking question mark means that you macintosh can't find a bootable disk. It has nothing to do with the VGA connection. More than likely, your directory structure on the disk is bad. An excellent product to fix this is Disk Warrior. It has saved more hard drives for me than I care to think about. Worth every penny.
As far as booting up from a disk, just put in the CD and hold down the C key until you see the spinning icon.
You could also try these to things if you don't want to purchase disk warrior, but I don't think they will work. Hold down the shift key while you boot until you see the apple logo. The shift key is to boot it in safeboot mode. Or, you could also reset the pram:

1. Shut down the computer.
2. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
3. Turn on the computer.
4. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
5. Hold the keys down until the computer restarts and you hear the startup sound for the second time.
6. Release the keys.

try holding down command(apple key), option, p, and r after the chime this should reset the non volatile ram and the startup disk, cache, etc. if that doesn't work restart holding down command option o f after the first chime when it loads to a white screen type the command "reset-all" exactly like that without quotation marks and hit enter if the computer doesn't restart type "reboot" or maybe "reboot- now" or "reboot now" I can't remember exactly but you can try them all and if that doesn't work with the osx cd hold down the c key (option c on some earlier models) or option key after the first chime the c key will boot straight to cd option will give you a choice between cd hard disks or network boot select cd and press the arrow underneath it after loaded from the cd you will see options at the very top of the screen like you would see in the finder in one of the drop down menus I think it is utilities it will have Disk Utility open that select the disk on the left and go to the repair screen by selecting the appropriate tab at the top of the center box then at the bottom right click the repair disk tab if it cannot be repaired you must reinstall the system NOTE:the hard drive may be bad in which case you will not be able to reinstall unless you replace the drive however if you cannot boot to the cd then you more than likely have a serious hardware failure and will have to bring the computer to be serviced although on that old of a unit it may just be time for an upgrade if that is the case
good luck and best wishes P.S.-don't forget to rate me

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
best wishes, Crash

when booting immediately after the first chime before the grey screen hold down keys (apple,option,p,r) allow the computer to restart if it still goes to that blank screen restart again and this time hold down only the (option) key or maybe (option,s) depending on model try option key first then select the main start up disk from the menu and click the arrow underneath