How to Fix iMac Startup Problems?

What do you do when facing startup issues with your iMac?

You are in a meeting room and start the meeting by turning on your iMac. Surprisingly, you see that it won’t turn on. You press the power button, and it won’t work. The screen goes blank and freezes at the login screen, and you are stuck on the Apple logo now! You panic about what will happen to your device and think about a solution to start your iMac.

Keep reading the article. We have shared some common startup issues iMac users face and fixing methods to restore your system. We have also provided information on why startup problems occur so that it could be helpful for you to keep your iMac secure and fixed by yourself. If there is still the issue iMac repair Dubai will help! 

How to Fix iMac Startup Problems

Most frequent startup errors:

 If you are facing startup problems, which can be in multiple conditions such as;  

  • Blank screen (black, grey, and blue)  
  • Question mark on the startup screen  
  • iMac won’t turn on   
  • Stuck on the Apple logo  
  • iMac displays a black screen with text indicating a kernel panic.  
  • Slow Startup  
  • iMac becomes unresponsive or freezes at the login screen  
  • iMac continuously restarts and fails to boot properly  
  • iMac cannot find or recognize the startup disk  

Why does the iMac have startup problems?

Several reasons exist to prevent your iMac from powering on, and you must minimize them for smooth startup. Overlook some common causes;

Insufficient Power Supply:

Basically, the power supply is one of the main reasons for startup problems. If you press the power button and there is no sound of fans and the drive or diagnostic lights are not lighting up, this indicates a power failure. Before starting your iMac, check for a smooth power supply.   

Stuck of Power Buttons:

Startup problems may occur due to the physical damage of power buttons or by debris or dust causing buttons to stick and require excessive force. Clean it and make sure that it is not damaged internally. 

Impaired External Devices:

External devices may have physical defects, missing drivers, or not be compatible with the iMac, which can lead to startup issues. To avoid this issue, ensure their compatibility and physical damage and connect them perfectly. 

Software/Firmware malfunction:

Another essential factor to consider is startup problems; if you have an old version of software and drivers, your iMac might face a blank screen or be stuck on one. Regularly update your firmware and drivers to smooth your iMac’s performance.  

Faulty connections:

Before turning on your iMac, check cable connections. Either cables or power adapters are perfectly connected, and the ports work correctly. Loose connections between the cable and defective ports may lead to startup issues.

Fix the Freeze – Resolve iMac Startup Problems Now.

How to Fix iMac Startup Problems?

After checking the connections among connective cables and ports, physical impairment in the external devices, or power-related issues, your issue exists. In such a scenario, try the below-mentioned ways to fix your problem.

Detach the External Devices and Restart your iMac:

First of all, remove connection with external devices like headphones, and try restarting your iMac to boot the system by the internal mechanism;  

  • Hold the power button for 10 seconds until your iMac turns off.  
  • Now, leave the power button slowly and let your iMac turn on.  
  • See if your problem still exists with the screen blank, stuck on the Apple logo, slow startup, and freezing at the login screen. Then, go for further ways to fix it.  

Reset the System Management Controller (SMC):

  • Shut down the iMac  
  • Unplug the power cable for 5 seconds  
  • Plug the power cable back in and wait for 5 seconds  
  • Press the power button, and press and hold the power button for 10 seconds for older versions of iMac. 

Reset NVRAM/PRAM:

  • Shut down the iMac first.  
  • Again, turn it on  
  • Immediately press and hold the Option + Command + p + R keys simultaneously.  
  • Hold the keys for almost 20 seconds until the startup sound is heard.  
  • Now, let the iMac restart.  

Boot iMac into Safe Mode:

  • Completely shut down your iMac  
  • Turn it on   
  • Immediately press the Shift key   
  • Hold the shift key until the “startup option” appears.  
  • Continue in safe mode  
  • Let the iMac restart automatically.   
  • The login window appears, and you can see “safe mode” in the menu bar.  

Run Disk Utility in Recovery Mode:

  • Turn off the iMac  
  • Turn it on again  
  • Press and hold the Command + R keys until the Apple Logo appears  
  • Go to Mac OS “utilities window” and click “Disk Utility.”  
  • Follow the on-screen conditions and prove the User ID or Password  
  • Select the “utility disk” and click on “continue.”  

If you are still facing a start problem, you should contact an expert to fix your issue.  

Contact us

We are here in Dubai to help you with our extraordinary technicians, who have more than 17 years of practical experience. We ensure quality service and restore your lovely devices to their optimal performance. We provide technical solutions with free diagnostic services. Our technicians evaluate iMac startup problems through technical diagnostic methods and restore them efficiently. 

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