The Mac Professional 2007 is a strong machine, however it may be irritating if you cannot get to the boot selector. If you happen to’re having this drawback, there are some things you possibly can strive. First, make it possible for your keyboard is working correctly. In case your keyboard is just not working, you will not have the ability to press the keys essential to entry the boot selector. Subsequent, strive resetting the System Administration Controller (SMC). The SMC is a small chip on the motherboard that controls varied system features, together with the boot course of. To reset the SMC, observe these steps:
- Shut down your Mac Professional.
- Unplug the ability wire from the again of the pc.
- Wait 15 seconds.
- Plug the ability wire again into the pc.
- Press the ability button to show in your Mac Professional.
If resetting the SMC would not work, it’s possible you’ll want to exchange the CMOS battery. The CMOS battery is a small battery that shops the pc’s BIOS settings. If the CMOS battery is lifeless, the pc will be unable to recollect its boot settings. To switch the CMOS battery, observe these steps:
- Shut down your Mac Professional.
- Unplug the ability wire from the again of the pc.
- Take away the facet panel of the pc.
- Find the CMOS battery. It’s a small, spherical battery that’s often situated close to the motherboard.
- Use a coin to take away the CMOS battery from its socket.
- Insert a brand new CMOS battery into the socket.
- Substitute the facet panel of the pc.
- Plug the ability wire again into the pc.
- Press the ability button to show in your Mac Professional.
Powering Up the Mac Professional 2007
Step 1: Put together Your Workstation
Earlier than powering up your Mac Professional 2007, guarantee a protected and steady work atmosphere. Clear your workspace to stop unintended disconnections or injury to peripherals. Collect the required cables and instruments, together with an influence cable, show connection cable, and a keyboard and mouse for operation. Guarantee the ability strip or outlet you propose to make use of is in good working situation and might assist the Mac Professional’s energy necessities.
Suggestions for a Protected Workstation:
* Unplug any pointless peripherals or gadgets to reduce electrical hazards and potential interference.
* Think about using an anti-static mat or grounding strap to stop electrostatic discharge that would injury elements.
* Make sure the Mac Professional is positioned on a flat, steady floor to stop tipping or falls.
* Preserve correct air flow across the Mac Professional to stop overheating throughout operation.
As soon as your workstation is ready, proceed with powering up the Mac Professional 2007. Guarantee all cables are securely linked to their respective ports on the Mac Professional and exterior gadgets.
Deciding on Boot Quantity Manually
If the Boot Selector is just not displayed routinely throughout startup, you possibly can manually choose the boot quantity utilizing the next steps:
- Press and maintain the Choice key (Alt key) instantly after turning in your Mac Professional.
- Launch the Choice key whenever you see the Startup Supervisor window seem.
- Use the arrow keys to pick the specified boot quantity from the listing of accessible choices. The chosen quantity can be highlighted in blue.
- Click on the arrow button or press Enter besides from the chosen quantity.
Extra Notes:
- When you’ve got a number of startup disks linked to your Mac Professional, they may all be listed within the Startup Supervisor window.
- The default boot quantity is the one that’s at the moment chosen in System Preferences > Startup Disk.
- You can too use the Boot Picker menu to pick a boot quantity. To entry the Boot Picker menu, press and maintain the F8 key throughout startup.
| Key Mixture | Motion |
|---|---|
| Choice key (Alt key) | Shows the Startup Supervisor window |
| Arrow keys | Selects the specified boot quantity |
| Arrow button or Enter | Boots from the chosen quantity |
| F8 key | Shows the Boot Picker menu |
Utilizing NVRAM to Change Boot Order
NVRAM (non-volatile random-access reminiscence) shops sure system settings in your Mac, together with the boot order. You need to use the NVRAM instructions to vary the boot order with out having to enter the Startup Disk preferences.
Step-by-step Directions:
1. Shut down your Mac.
2. Press the ability button to show in your Mac.
3. Instantly press and maintain the next keys collectively:
| Key | Description |
|---|---|
| Command (⌘) | The Command secret is situated on the bottom-left nook of your keyboard. |
| Choice (⌥) | The Choice secret is situated on the bottom-left nook of your keyboard, subsequent to the Command key. |
| P | The P secret is situated on the highest row of your keyboard, subsequent to the “0” key. |
| R | The R secret is situated on the highest row of your keyboard, subsequent to the “P” key. |
4. Maintain holding the keys till the Mac begins up and also you hear the startup chime twice. This may increasingly take about 20 seconds.
5. Launch the keys.
6. The Startup Supervisor will seem, which exhibits a listing of bootable volumes.
7. Use the arrow keys to pick the amount you wish to boot from.
8. Press the Return key to substantiate your choice.
9. Your Mac will now boot from the chosen quantity.
Resetting NVRAM to Default Settings
Resetting the Non-Risky Random Entry Reminiscence (NVRAM) to its default settings is a troubleshooting step that may resolve boot selector points on Mac Professional 2007 fashions. NVRAM shops sure system settings, reminiscent of boot disk choice, quantity settings, and show resolutions.
Step 1: Shut Down the Mac Professional
Flip off the Mac Professional by deciding on “Shut Down” from the Apple menu.
Step 2: Press and Maintain the Command, Choice, P, and R Keys
Instantly after urgent the ability button to activate the Mac Professional, press and maintain down the next keys concurrently:
| Key |
|---|
| Command (⌘) |
| Choice (⌥) |
| P |
| R |
Step 3: Maintain Holding the Keys for 20 Seconds
Proceed holding the keys down for roughly 20 seconds, till you hear the Mac Professional chime for the second time. This means that the NVRAM has been reset.
Step 4: Launch the Keys
Launch all of the keys you had been holding.
Step 5: Restart the Mac Professional
Your Mac Professional ought to now boot up usually. If the boot selector situation has been resolved, you will note the Startup Supervisor window the place you possibly can choose the specified boot machine. If the difficulty persists, further troubleshooting steps could also be required.
Utilizing Goal Disk Mode to Boot from One other Mac
Goal Disk Mode lets you boot one Mac from one other Mac over a FireWire or Thunderbolt cable. To make use of it for booting the Mac Professional:
- Shut down each Macs.
- Join the Macs with a FireWire or Thunderbolt cable.
- Activate the Mac Professional whereas concurrently urgent and holding the “T” key.
- As soon as the progress bar seems, you possibly can launch the “T” key.
- On the opposite Mac, navigate to the next folder: /system/library/coreservices/bootnemsa.efi
- Drag the “bootnemsa.efi” file to the desktop.
- Open Terminal on the opposite Mac and enter the next command, changing “
” with the identify of the Mac Professional’s laborious drive because it seems in Disk Utility: Command hdutil connect “/Volumes/ ” - Enter your password when prompted.
- Copy the “bootnemsa.efi” file to the Mac Professional’s laborious drive utilizing the next command, changing “
” with the identify of the Mac Professional’s laborious drive: Command sudo cp “/Customers/ /Desktop/bootnemsa.efi” “/Volumes/ ” - Enter your password when prompted.
- Unmount the Mac Professional’s laborious drive utilizing the next command, changing “
” with the identify of the Mac Professional’s laborious drive: Command hdutil detach “/Volumes/ ” - Shut down the opposite Mac.
- Restart the Mac Professional. It ought to now boot from its authentic laborious drive.
Putting in Third-Social gathering Boot Supervisor Instruments
There are a number of third-party instruments obtainable that may assist you handle boot choices in your Mac Professional 2007. Among the hottest choices embody:
- BootPicker
- Refit
- rEFInd
These instruments present a graphical interface that makes it straightforward to pick which drive or partition you wish to boot from. In addition they supply a wide range of options that may be useful for troubleshooting or managing a number of working programs.
To put in a third-party boot supervisor instrument, you will want to obtain the instrument from the developer’s web site after which observe the set up directions. As soon as the instrument is put in, you will want to restart your Mac Professional and maintain down the Choice key throughout startup to entry the boot selector menu.
Listed here are the detailed steps for putting in and utilizing rEFInd, some of the in style third-party boot supervisor instruments:
Conditions:
- A Mac Professional 2007 with a suitable firmware replace put in
- A USB flash drive or exterior laborious drive with not less than 250MB of free area
- A replica of the rEFInd set up recordsdata
Creating the rEFInd USB Drive
- Format the USB flash drive or exterior laborious drive as FAT32.
- Copy the rEFInd set up recordsdata to the basis listing of the USB drive.
- Eject the USB drive.
Putting in rEFInd
- Restart your Mac Professional.
- Throughout startup, maintain down the Choice key.
- Choose the “EFI Boot” possibility from the boot selector menu.
- Comply with the on-screen directions to put in rEFInd.
- As soon as rEFInd is put in, restart your Mac Professional.
Utilizing rEFInd
- Throughout startup, maintain down the Choice key.
- The rEFInd boot supervisor menu will seem.
- Use the arrow keys to pick the drive or partition you wish to boot from.
- Press Enter besides from the chosen drive or partition.
Troubleshooting Boot Choice Points
In case you are having bother getting boot selector on Mac Professional 2007, there are some things you possibly can attempt to troubleshoot the difficulty.
1. Reset the SMC
The SMC is answerable for controlling the ability and different {hardware} features in your Mac. Resetting the SMC can typically repair boot choice points.
2. Reset the NVRAM/PRAM
The NVRAM/PRAM shops settings such because the startup disk and the time and date. Resetting the NVRAM/PRAM can typically repair boot choice points.
3. Test the Startup Disk
Guarantee that the startup disk is correctly linked to your Mac. If the startup disk is just not correctly linked, your Mac will be unable besides from it.
4. Restore the Startup Disk
If the startup disk is broken, you possibly can attempt to restore it utilizing Disk Utility. To restore the startup disk, observe these steps:
- Restart your Mac whereas holding down the Command and R keys.
- Choose Disk Utility from the Utilities menu.
- Click on on the First Help tab.
- Click on on the Restore Disk button.
5. Reinstall macOS
In case you are nonetheless having bother getting boot selector on Mac Professional 2007, you possibly can attempt to reinstall macOS. To reinstall macOS, observe these steps:
- Restart your Mac whereas holding down the Command and R keys.
- Choose Reinstall macOS from the Utilities menu.
- Click on on the Proceed button.
6. Test the {Hardware}
When you’ve got tried the entire above steps and you might be nonetheless having bother getting boot selector on Mac Professional 2007, there could also be a {hardware} drawback together with your Mac. You possibly can take your Mac to an Apple Retailer or a licensed Apple service supplier to have it identified and repaired.
7. Use a bootable USB drive
When you’ve got a bootable USB drive, you need to use it besides your Mac and entry the boot selector. As well from a USB drive, observe these steps:
- Insert the USB drive right into a USB port in your Mac.
- Restart your Mac whereas holding down the Choice key.
- Choose the USB drive from the listing of boot choices.
8. Use a Thunderbolt drive
When you’ve got a Thunderbolt drive, you need to use it besides your Mac and entry the boot selector. As well from a Thunderbolt drive, observe these steps:
- Join the Thunderbolt drive to your Mac.
- Restart your Mac whereas holding down the Choice key.
- Choose the Thunderbolt drive from the listing of boot choices.
9. Use Goal Disk Mode
When you’ve got one other Mac, you need to use Goal Disk Mode to entry the boot selector in your Mac Professional 2007. To make use of Goal Disk Mode, observe these steps:
- Join the 2 Macs utilizing a Thunderbolt cable.
- Begin up the Mac Professional 2007 in Goal Disk Mode by holding down the T key whereas it begins up.
- On the opposite Mac, open Disk Utility and choose the Mac Professional 2007’s laborious drive.
- Click on on the Partition tab after which click on on the Choices button.
- Choose the GUID Partition Desk (GPT) possibility after which click on on the OK button.
- Click on on the Apply button to partition the laborious drive.
- As soon as the laborious drive has been partitioned, you possibly can restart the Mac Professional 2007 and entry the boot selector.
The right way to Entry the Boot Selector on Mac Professional 2007
The Mac Professional 2007 features a handy boot menu that enables customers to shortly choose which startup disk to make use of. This is how one can entry the boot selector:
- Energy on the Mac Professional. As the pc boots up, press and maintain the “Choice” key instantly after listening to the startup chime.
- Maintain holding the “Choice” key till the Startup Supervisor window seems, displaying a listing of accessible bootable gadgets.
- Use the arrow keys in your keyboard to pick the specified boot machine.
- Press “Enter” to begin the pc from the chosen machine.
Observe: If you happen to launch the “Choice” key too early, the Mac Professional will boot from the default startup disk.
Individuals Additionally Ask About The right way to Get Boot Selector on Mac Professional 2007
Do I Must Use a Keyboard to Entry the Boot Selector?
No, it’s also possible to use a wi-fi mouse or trackpad to navigate the Startup Supervisor window and choose the specified boot machine.
Why Cannot I See the Boot Selector Choice?
Test if the firmware in your Mac Professional is updated. If the firmware is outdated, it might not assist the boot selector function. To replace the firmware, consult with Apple’s assist web site.
Can I Set a Default Startup Disk?
Sure, to set a default startup disk, use System Preferences > Startup Disk. Choose the specified disk from the listing and click on “Set as Startup Disk.”
