27″ iMac A1419 Late 2014 Logic Board 4.0 GHz I7-4790K 661-00194 – R9 M295X 4GB
This replacement logic board is designed for the 27″ iMac A1419 model from Late 2014. Featuring a powerful 4.0 GHz Intel Core i7-4790K processor and an AMD Radeon R9 M295X 4GB graphics card, it restores full system performance, enabling faster processing, improved graphics, and smooth multitasking.
Related Part Numbers
- Apple Part Number: 661-00194
- Printed Part Number: 820-4652-A
Compatibility
- iMac 27″ A1419
- iMac15,1 Retina 5K Late 2014: MF886LL/A (3.5 GHz Core i5)
- iMac15,1 Retina 5K Late 2014: BTO/CTO (4.0 GHz Core i7)
- iMac15,1 Retina 5K Mid 2015: MF885LL/A (3.3 GHz Core i5)
Condition
- Open Box
- Replacement Part Fully Tested
- Passed All Quality Inspections
- High-Quality Replacement Part
Compatibility Agreement
Why Replace the 27″ iMac A1419 Late 2014 Logic Board 4.0 GHz I7-4790K 661-00194 – R9 M295X 4GB
- System Boot Failures: If your iMac doesn’t boot up or fails to reach the desktop screen, it could be due to a malfunctioning logic board.
- Performance Slowdowns: The iMac is running significantly slower than usual, even after a fresh operating system install or software fixes, likely due to a failing processor or GPU on the logic board.
- Hardware Malfunctions: If multiple internal components like USB ports, audio, or the display aren’t working, the logic board may be faulty and need replacement.
- Overheating or Excessive Fan Noise: Overheating or loud, persistent fan noise can indicate a problem with the processor or GPU, which is controlled by the logic board.
Signs That Replacement is Needed for 27″ iMac A1419 Late 2014 Logic Board 4.0 GHz I7-4790K 661-00194 – R9 M295X 4GB
- iMac Won’t Power On: If the iMac fails to start up or reaches the Apple logo but stops loading, the logic board could be defective.
- Frequent Crashes or System Freezes: Random freezes, system crashes, or the iMac turning off unexpectedly, even after software troubleshooting, can point to an issue with the logic board.
- Graphics or Display Issues: If the display is flickering, showing artifacts, or failing to load properly, the issue could be related to the integrated graphics on the logic board.
- Peripheral Failures: USB ports, Thunderbolt connections, or audio outputs that stop working may be caused by problems with the logic board.
Replacing the logic board ensures optimal performance, fixing issues related to processing, graphics, and hardware connectivity, and restoring the overall functionality of the iMac.
Important Notes
- Professional Repairs: It’s recommended to have this repair done by a qualified technician, especially if you don’t have experience with Consumer Electronics/gadget disassembly.
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⚠️ Warning: You Must Backup Your Data Before Repair Process ⚠️
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