Question about Apple MacBook Pro MB991LL/A 13.3-Inch Laptop Notebook
At times, the boot-up is slow and the computer is slow/sluggish because the disk is not "clean" or there's a shortage of storage space remaining. If you have already tried using the Disk Utilities and/or other tools (e.g. Onyx) to fix/clean up the disk, and it still doesn't make any difference, and you still have a good amount of disk space remaining, and all your memory (RAM) is still working, there may be something else going on ... e.g. another process taking place behind the scene (e.g. downloads/uploads) and using lots of resources.
Posted on Oct 27, 2013
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Posted on Jan 02, 2017
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
Posted on Apr 26, 2009
The fact that the "BONG" sound (or better known as the MAC CHIME) does come on and nothing further means that the computer cannot find your hard drive or (sometimes worse) cannot find the operating system. This means that you will have to remove the hard drive... then insert it nice and firmly again. Try now to boot. If nothing happens then your drive has gone faulty and it could mean that you may have lost your data... NOT NECESSARILY though.... What I mean by that is that you may still be able to access the dat when you connect the "faulty" drive to another computer via USB with an external casing and then get your DATA off it.
Posted on Jul 06, 2009
Try pulling the battery out then holding the power button for 10 seconds. Put the battery back in.
If not search macbook pro recall apple has extended the warranty on some models due to a bad graphics card.
Posted on Feb 03, 2010
yes this happens. you can try doing this: power down then power up whilst holding down command, option P and R all at the same time. press these after you hear the chime. hold until you hear the chime a second time.
Posted on May 06, 2010
You may need to reset the PRAM.
Start your computer and hold down the option, command (apple), P and R keys simultaneously until you hear the second chime. Then release.
This will reset the perimeter RAM (PRAM) and may allow your system to start, which it will do immediately if it capable.
If this is not the case and you have already tried removing the RAM and the HD, you may need to have the motherboard tested.
Posted on Mar 10, 2011
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