Bypass Mac Firmware Password. Need to get around the boot level Mac firmware password?

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You can bypass a firmware password by doing a little bit of a hardware hack. There’s many reasons you’d want to get around firmware protection, but here’s why we got the instructions from an anonymous submitter: “This is a tutorial mainly for the people at my school who wish to modify their macbooks, leased by the school. These computers are protected by the firmware password. This prevents you from booting up into Single User Mode, Verbose Mode, Safe Mode, Target Disk mode, and boot off of an external hard drive or network.

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There is a very simple way to remove these restrictions.” I don’t know what school they’re at but it’s pretty cool to have a Mac. Book of your own provided by a school. While I can’t condone this activity I must say as a curious and tech savvy student I would have done the exact same thing. This is a hardware based hack, proceed with caution! We are not responsible for anything that may go wrong in the process. Essentially you are removing the systems RAM and reinstalling it, here are the steps for a Mac.

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Book. This works the same on other Macs, but removing the RAM is obviously different, so you’d need to understand how to do that. Here are instructions for Mac. Books: 1) Shut down your computer. Remove the battery. Remove the three philips head screws that are on the L- bracket. Remove the L- bracket. Slide one of the levers (it doesnt matter which one) to the left.

This will release the RAM6) Gently wiggle the RAM card out and put it aside, you will put it back later(do NOT touch the gold bars on the front; you could break it)7) Replace the L- bracket and put the battery back in. Boot up the computer while holding COMMAND+OPTION+P+R (this resets the parameter ram)9) Wait for the startup chime to sound 3 times. Release the keys and shutdown the machine once you reach the login screen. Remove Battery and L- Bracket, replace the RAM module and slide the lever back while pushing it in until it does not wiggle anymore.

Replace The battery and L- Bracket. Now if you boot up the machine you should bypass the Mac firmware password. You can now use the machine as usual, boot from an external drive, or whatever else.

Remember, this is bypassing the boot- level firmware password. Most Macs have the software based password protection enabled only in the form of a user login and password. If this is the case, you can use methods to reset a forgotten Mac password to get around the user login completely (instructions for OS X Lion are slightly different).

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Search for your airline’s official offset program, which will be verified by watchdog groups, but might not be visible when you book your flight. Fly coach. The more tightly packed you are, the less fuel you’re using. Close your window shade. In warm weather, this makes it easier to cool the plane. And cooling is another big contributor to climate change. Choose an efficient airline.

This environmental report ranks the fuel efficiency of major U. S. Alaska Air is the best; American is one of the worst. Driving and flying have about the same climate impact per passenger mile, but the data is complicated and varies widely based on passenger count, vehicle fuel efficiency, and the type of driving. So there’s no simple cutoff point for deciding when to fly or drive. Thankfully, efficiency is improving for both. Flying Is Bad for the Planet.

You Can Help Make It Better.