Last updated June 2026

iMac Logic Board Repair

Won't power on, no display, random shutdowns, or dead USB / Thunderbolt ports? We do component-level board repair — tracing the failed chip or capacitor and replacing only that, instead of swapping the whole board like Apple. Free FedEx pickup. 1-year warranty.

  • Free FedEx pickup
  • Apple-spec parts
  • 1-year warranty
  • ISO 9001:2015 certified

Or call us directly: 080 4710 3303

iMac Logic Board Repair at iTweak

How to know it's this

These are the symptoms that point at iMac logic board repair. Match them against your iMac, then book a free diagnosis — we confirm the actual fault before quoting.

  • No power at all

    No light, no chime, no fan. Often a power-management or PSU fault rather than a dead board — we trace it before quoting.

  • Powers on but no display / no chime

    Board powers the fans but won't POST. Points to a CPU-rail, GPU or memory-controller fault.

  • Random shutdowns or restarts

    Often a failing capacitor, power IC, or thermal-related board fault that worsens over time.

  • Ports dead (USB / Thunderbolt / Ethernet)

    A controller IC or a blown fuse on the board — usually a targeted component repair, not a board swap.

  • Won't wake from sleep

    SMC / power-rail fault. Frequently repairable at component level once diagnosed.

Why iTweak for iMac

Most repair shops won't touch an iMac. Apple's quote is usually a logic-board swap costing more than the iMac is worth.

iMac is an all-in-one — display, logic board, SSD, RAM, PSU, and chassis are bonded together in a way that intimidates most repair shops. Apple Authorised Service Providers will quote a full logic-board swap for any board-level issue (cost: ₹40,000+). iTweak does component-level work: replace the failed GPU chip (not the whole board), upgrade the SSD without breaking the display bond, replace the fan + thermal paste without damaging the 5K display ribbon. We've been doing iMacs since 2010. 1-year warranty on most repairs.

  • Component-level board repair — not assembly swap
  • Vintage iMac (2011–2014) GPU failure — our specialism
  • 5K / 4.5K display work, bonded panels preserved
  • 1-year warranty on most repairs

What iTweak fits — across every iMac repair

iMac repair is the clearest example of where independent specialists beat AASPs on price and engineering. The AASP quotes a "logic-board replacement" because Apple's parts catalogue lists the whole board; we do the actual repair.

Recommended

What iTweak fits

Component-level repair, original chassis preserved

Scope of board repair
Component-level — failed chip or capacitor only
Display bond
Preserved — we don't break the 5K panel adhesive
SSD upgrade path
Yes — Fusion-drive split, NVMe upgrade where supported
Vintage GPU re-flow / replace
Yes — 2011–2014 iMac specialism
Diagnostic
Free if you proceed with the repair
Warranty
1 year, parts + labour
Available at every iTweak storefront
We don’t fit

What Apple Authorised Service Providers do

Full logic-board swap, expensive but correct

Scope of board repair
Whole logic board replaced
Display bond
Often broken during repair
SSD upgrade path
Not offered (factory build only)
Vintage GPU re-flow / replace
Vintage out of support
Diagnostic
Usually a paid service
Warranty
90 days Apple service warranty

How an iMac repair works at iTweak

iMac repairs are bench-only — they need proper display-separation tooling and ESD-protected work. Free FedEx pickup pan-India in iMac-grade packaging, or walk into our Marathahalli or Andheri centres.

  1. Customer booking an iMac repair
    1

    Tell us the issue

    Book online, call, or WhatsApp. Describe what's wrong (no display / GPU artifacts / SSD swap / slow / fan loud). Tell us the model — About This Mac → System Report → Model Identifier confirms it (e.g., 'iMac17,1').

  2. iMac packaged for FedEx pickup
    2

    Free FedEx pickup or walk-in

    Free insured pickup pan-India in iMac-grade packaging (custom-fit foam, ~30kg shipping weight). Or walk into Marathahalli (Bangalore) or Andheri (Mumbai). Typical round-trip: 6–8 working days from anywhere in India (iMacs are slower than smaller devices to ship).

  3. Technician inspecting an iMac logic board under microscope
    3

    Diagnose and quote

    Apple Diagnostics + bench-level testing (multimeter, microscope, thermal scan). We confirm the actual fault — GPU vs board vs SSD vs PSU — before quoting. Written quote, itemised, approve or decline.

  4. iMac component-level repair at an ESD-protected workstation
    4

    Component-level repair

    Display panel safely separated using suction + heated mat (no heat gun). Component-level board work — chip replacement, capacitor reflow, BGA rework where needed. SSD swap where requested. Reassembled with Apple-spec adhesive.

  5. Repaired iMac passing diagnostics
    5

    Test, calibrate, return

    Apple Diagnostics post-repair, thermal calibration, display calibration. 1-year warranty paperwork. Return courier or walk-out.

365-day warranty

Every battery replacement is covered for 365 days — parts and labour. If the new battery fails to perform within that window, we replace it free of charge. ISO 9001:2015 certified service centre.

Read the full warranty policy

If it’s not the battery, you don’t pay for the swap

Our 80-point Phonecheck diagnostic runs before any disassembly. If the issue turns out to be elsewhere — charging IC, board fault, software — we tell you, refund the booking, and quote the actual fix. No upsells.

  • Pre-repair diagnostic on every booking
  • Written quote before any work begins
  • 100% refund if mis-diagnosed
  • No part used without your sign-off

What our customers say

4.9 · 2,400+ Google reviews 4.8 · Justdial
  • Classic 2014 iMac GPU failure — black screen with checkerboard pattern. Apple said it was uneconomical to repair. iTweak replaced the GPU chip directly (not the whole board), saved ₹40,000. Six months on, no issues.
    Manish T.
    iMac 27 (2014) · Bangalore
  • Wanted to upgrade my Fusion drive to a pure SSD. Apple said it wasn't possible. iTweak did the upgrade without breaking the display bond. Boot time went from 60s to 8s.
    Anitha R.
    iMac 21.5 (2017) · Mumbai
  • Fan was running constantly. iTweak replaced the fan and re-pasted the CPU + GPU thermally. iMac is silent again. Sent via courier, took a week door-to-door.
    Sandeep G.
    iMac 27 (2019) · Chennai
  • Won't power on after a thunderstorm. iTweak diagnosed it as PSU + a single logic-board chip — fixed both, didn't replace the whole board. Significantly cheaper than the Apple quote.
    Priya N.
    iMac M3 24 · Bangalore

Find us

Storefronts in Bangalore, Mumbai and Chennai. Doorstep service across all three. Free pickup anywhere else in India.

FAQ

Process, warranty, data, models — the imac logic board repair questions our iMac techs hear.

  • Just the faulty part. We trace the failure to the specific chip, capacitor or IC and repair at component level under a microscope — Apple Authorised Service Providers swap the entire logic board, which is why their quotes are often more than the iMac is worth.

  • Yes. Micro-soldering and BGA rework on an ESD-protected bench is a precise, durable repair, and it carries our 1-year warranty just like a part swap.

  • We tell you honestly after the diagnostic. If it's genuinely uneconomical, you only pay the diagnostic — never a wasted board-swap bill.

Free insured pickup pan-India · 10am – 7pm · Mon–Sun

iMac Logic Board Repair.
See the fault before you pay.