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Home / Services / Computer Repair / No Display / GPU Fault

Powers on but no display? Could be the GPU.

Fans spin, lights are on, but nothing shows on screen — this is a different fault to a machine that won't power on at all, and needs different diagnosis.

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Google Reviews

What Our Customers Say — Straight From Google

★★★★★

no power no display..good services and cheap price sevices

Google Review · Kepong Branch
★★★★★

My laptop model is Asus GA401I, was unable to switched on. Found Dotronix from google review actually, lot of people were satisfied with the service so I immediately reached out to ask about my laptop. Customer service is really good, Mr Ash keep me updated frequently. Highly recommend this place if anyone looking to repair their laptop. The price is very affordable too since my laptop have issue with motherboard (cheap compared to other repair shops that I visited). Plus point, they provided delivery service since I couldnt come to pick up. Thank you so much Mr Ash :)

Google Review · Kepong Branch
★★★★★

Hp probook 440 g Problem : laptop cant be on, problem with power source. Sent to hp service centre, they give quotation for rm3800, which is huge amount. Then found dotronix by google search. And they were really helpful and helped to solved the problem within few days and for a fraction of the cost from the hp center. Additionally gave 3 months warranty for the repair as well. Not to mention they give me a free service for cooling system and free thermal paste

Google Review · Kepong Branch
★★★★★

Laptop HP Processor Rosak, Dotronix tukar motherboard sekali dalam harga separuh. Memang terbaik

Google Review · Kepong Branch

What's going on

A machine that boots normally — fans spinning, lights on, drives audible — but shows nothing on the monitor points to a display chain fault rather than a dead system. We test cables and ports first, since that's the cheapest and most common cause, then move through onboard graphics (where available), RAM seating, and finally a GPU swap test to isolate exactly which component is failing.

Common signs to look out for

  • Fans spin normally but the monitor shows no signal
  • Beep codes from the motherboard speaker on startup
  • GPU fan spins but there's no video output
  • Display works briefly then goes black
  • Monitor shows “No Signal” despite the PC clearly running

What usually causes it

  • A failed or dying graphics card
  • The GPU not fully seated in its PCIe slot
  • A faulty display cable or port
  • RAM not seated properly, halting boot before display output
  • A motherboard fault preventing video initialisation

How we diagnose this

01

Cable & port test

We swap cables and monitor ports first, since this is the cheapest and most common cause.

02

Onboard graphics test

Where available, we test onboard graphics to isolate whether the GPU itself is at fault.

03

RAM reseating

RAM is reseated and tested one stick at a time to rule out a seating issue halting boot.

04

GPU swap test

A known-good graphics card is swapped in to confirm whether the GPU is the actual fault.

Common questions

Desktop no display FAQs

Possibly, but not necessarily. We test cables, ports, RAM seating and onboard graphics first, since these are simpler and cheaper causes than a failed GPU — we only conclude it's the graphics card once everything else is ruled out.
If the fault is a cable, port, or RAM seating issue, that's resolved at minimal cost. If it escalates to chip-level GPU or motherboard repair, that starts from RM 200 — final price confirmed once the actual cause is identified.
Typically 1 to 3 days, depending on whether it's a simple fix or requires sourcing a replacement graphics card.
Simpler faults in this category (a loose connection, a straightforward part swap) are often same-day. The 1–3 days window covers cases where the fault escalates to chip-level board work, which needs micro-soldering diagnostics rather than a quick parts swap. We tell you which category yours falls into right after diagnosis, not at pickup.
No — protecting your data is treated as seriously as the hardware fix itself. Where a repair could plausibly affect stored data, we back up what's accessible before starting work, and we never wipe or reformat a drive without your explicit go-ahead. If your desktop won't boot at all, ask us about data recovery before assuming anything is lost.
Every repair carries our Standard Component Warranty, terms and conditions applying to labour and the fix itself. If a replacement part carries its own separate manufacturer or supplier warranty — batteries and SSDs typically do — that can extend further depending on the specific part, and we tell you exactly what applies to your repair before any work begins.
No. Basic live-agent assessment is always free at Dotronix, whether you approve the repair afterward or not. You only pay if you say yes to the quote we send you.
Both work, shaped to each hub. Book ahead with Our Live Agent for a guided workshop visit in Kepong, or visit our Kuchai Lama branch — call/WhatsApp first to confirm availability. Either way you get the same diagnosis and pricing.
No. We follow a strict zero-data-touch protocol on every board-level repair — your storage drive is never wiped, reformatted, or accessed unless you specifically request data recovery. If your device won't boot and you need files off it, that's handled as a separate, dedicated data recovery step, not folded into the board repair.
Related services

Motherboard Repair

If graphics initialisation is the fault, we check the board too.

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Custom Builds & Upgrades

Consider a GPU upgrade if yours has failed.

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All Computer Services

See every computer repair service we offer.

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Free Assessment By Live Agent (*T&C Applies)

Book a guided workshop visit at Kepong, arrange onsite service, or send us a photo — a free Live Agent assessment either way.*

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