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Apple Computer Repair – iMac, Mac Pro, Mac Mini, Mac Studio

Professional Apple computer repair in Tallinn: diagnostics and troubleshooting for iMac, Mac Pro, Mac Mini, and Mac Studio. We repair logic boards, power supplies, SSD drives, GPUs, and USB-C / Thunderbolt ports, restore macOS, and fix boot errors. We use high-quality components and follow Apple technical standards. Fast diagnostics, transparent pricing, and warranty on all completed work.
Apple Mac
Leave your phone number and receive a 10% discount on the first repair of your device

+37256911777

  • Fast Apple Computer Repair
  • Warranty on Completed Work
  • Same-Day Diagnostics
  • We Work in Tallinn

Common Apple Computer Issues (iMac, Mac Pro, Mac Mini, Mac Studio)

1. Overheating and Cooling System Noise

Over time, dust accumulates inside iMac and Mac Pro devices, thermal paste dries out, and fans may start malfunctioning. This leads to higher fan speeds, excessive noise, CPU throttling, and unexpected shutdowns.

3. Power Supply Issues

The computer may not turn on, may shut down under load, or show no power indication. In Mac Pro and iMac models, the internal power supply unit or power circuitry may fail.

5. Boot Loop (Constant Restart)

The computer continuously restarts without fully loading the system. Possible causes include EFI/BootROM firmware failure, RAM issues, overheating, storage failure, or macOS update errors. In Mac Pro workstations, PCIe module conflicts or unstable power may also cause this issue.

7. Port Malfunctions (USB-C / Thunderbolt / HDMI)

Devices are not detected, external monitors show no image, or USB-C charging does not work. The issue may be caused by a damaged connector or controller.

2. SSD or Fusion Drive Failure

The system may freeze, display a boot error, show a folder with a question mark, or display “No bootable device.” Possible causes include SSD wear, controller failure, or Fusion Drive malfunction.

4. GPU (Graphics Chip) Problems

Artifacts, screen lines, freezes, or a black screen may appear. Older iMac and Mac Pro models may experience GPU degradation or overheating of the graphics module.

6. macOS Errors and Boot Problems

The computer may freeze during startup, display the Apple logo without loading the system, or repeatedly restart. Causes may include corrupted system files, failed updates, or storage issues.

8. Liquid Damage and Logic Board Corrosion

After liquid exposure, short circuits, contact oxidation, and component damage may occur. Without timely cleaning, corrosion can develop and lead to logic board failure.

Apple Computer Repair Process

1. Initial Diagnostics

We perform a basic inspection of your iMac, Mac Pro, Mac Mini, or Mac Studio: system startup check, storage condition, power status, temperature monitoring, port functionality, and detection of boot errors. This helps identify obvious issues and determine the preliminary cause of the malfunction.

2. Full Diagnostics

We carry out in-depth hardware and software testing, including SSD checks, RAM testing, GPU diagnostics, power supply inspection, Thunderbolt / USB-C port testing, logic board evaluation, and EFI firmware verification. Professional diagnostic equipment is used to detect hidden defects and internal damage.

Процесс ремонта компьютера

3. Approval and Repair

We inform the client about the diagnostic results, explain the cause of the issue, and agree on the repair cost. After approval, we proceed with the necessary repairs: component replacement, logic board repair, firmware reprogramming, cooling system cleaning, or macOS restoration.

4. Testing and Delivery

After completing the repair, we conduct stress testing to ensure system stability, proper temperatures, correct port operation, storage performance, and graphics functionality. Once everything is confirmed to be working properly, we notify the client and provide a warranty on the completed work.

Services and prices

Electronics diagnostics with a multimeter and magnifier on a circuit board in Tallinn ARVUTIABI-ESOFT OÜ

Diagnostics

from 10
  • 1. Visual inspection
  • 2. Check the power supply
  • 3. Component diagnostics
  • 4. OS and software verification
Computer components setup with motherboard, graphics card, SSD and RAM in Tallinn ARVUTIABI-ESOFT OÜ

Replacing components

from 5
  • 1. Dismantling of old
  • 2. Preparation of new
  • 3. Installing new
  • 4. System testing
macOS installation on iMac in Tallinn ARVUTIABI-ESOFT OÜ

Cleaning

from 20
  • 1. Disassembling case
  • 2. Dusting
  • 3. Thermal interface replacement
  • 4. Thermal test
macOS installation on iMac in Tallinn ARVUTIABI-ESOFT OÜ

OS installation

from 30
  • 1. Preparing the computer
  • 2. BIOS setup
  • 3. System installation
  • 4. OS setup
Services Prices
Diagnostics from €20
Cooling system cleaning and thermal paste replacement from €30
macOS system recovery from €30
macOS reinstallation from €50
Internet connection setup from €10
Software installation from €10
Component replacement from €10
Logic board installation from €30
CPU installation from €20
Graphics card installation from €10
Hard drive or SSD installation from €20
Cooling system installation from €30
Power supply installation or replacement from €30
RAM installation from €10
EFI / firmware configuration from €10
EFI firmware programming from €80
Logic board repair from €80
Cable management from €10
Computer assembly / reassembly from €50
Additional data protection service during repair and cleaning

Reviews, what do people think of us?

Google
★★★★⭐
4.9 / 5
878 Reviews
Google Maps reviews
Reviews from our customers posted on our website

Why Trust Us with Your Apple Computer Repair?

  • Experience with Apple devices
  • Professional diagnostics
  • We work with iMac and Mac Pro models
  • Warranty on completed work
  • Fast turnaround

Why do clients choose our service?

Reliable computer repair guarantee

We are so confident in the quality of our service that we offer a guarantee on all work carried out. The warranty period depends on the type and complexity of the repair and the equipment. Our warranty only covers the work that has been carried out, which allows us to ensure a high level of responsibility and reliability. If you have any problems after the repair, we will deal with them immediately. Our guarantee is your peace of mind and confidence in the reliability of our work.

We strive to ensure that our customers in Tallinn receive the best computer repair service. By choosing us, you are choosing quality, efficiency, customer focus and a reliable warranty.

Reliable warranty for computer repair

Customer orientation

We value each customer and offer an individual approach to each order. We have bonus schemes and discounts for regular customers, making our services even more profitable.

The ability to call a specialist to your home or office allows you to save time and receive quality service on site. Free parking and easy access to the workshop make it convenient for you to visit us. We have also created an accessible infrastructure for customers with disabilities so that everyone can use our services without barriers.

Client-oriented and individual approach

Fast and efficient computer repair

We understand the importance of getting your equipment back up and running quickly. Our engineers carry out repairs within a day, minimising downtime and getting you back to work quickly.

Our in-house stock and established supply chains with suppliers ensure we have access to all the parts you need, speeding up the repair process. We pride ourselves on our responsiveness and always strive to get your equipment repaired as quickly as possible.

Fast and efficient computer repair

Get your computer repaired to the highest standards

We offer high quality computer repair services in Tallinn. Our specialists with more than 20 years of experience guarantee professionalism and reliability. We use only professional equipment, which ensures the accuracy and durability of the work performed. Conveniently located workshop allows our craftsmen to work efficiently and with high quality, providing customers with excellent results. When you trust us, you get reliable repairs that extend the life of your equipment.
High quality computer repair

Common signs include loud fan noise, overheating, boot loops, freezing on the Apple logo, startup errors, no display output, USB-C / Thunderbolt port issues, or overall slow system performance.

We offer diagnostics, cooling system cleaning, SSD and component replacement, logic board repair, macOS recovery, EFI firmware programming, and troubleshooting of power, port, and GPU-related issues.

Initial diagnostics are usually completed the same day. Repair time depends on the complexity of the issue and parts availability, typically from 1 to several business days.

The cost depends on the type of issue and the model (iMac, Mac Pro, Mac Mini, Mac Studio). The exact price is determined after diagnostics.

Yes, we provide a warranty on completed work and installed components.

Without proper experience and tools, there is a risk of damaging the logic board, cables, and internal components. Apple devices have compact internal layouts and specific mounting systems, so professional repair is recommended.

We recommend cleaning the cooling system and checking storage health every 12–24 months, depending on usage conditions.

It is recommended to back up your data and sign out of your Apple ID before bringing the device for service.

Yes, remote diagnostics and macOS configuration are available for software-related issues if the device boots and has internet access.

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