Workshop Technical Posts

We recently repaired an engine ECU (ECM) from a 2013 Volvo XC90 3.2 (P3 platform) with a charging system fault affecting the smart alternator LIN communication line. This post explains the symptoms, diagnostics, bench testing results, and the ECU repair carried out — helpful if you’re seeing “generator communication” faults, charging warnings after start-up, or […]

If you’ve got a Toyota/Lexus running the 1UZ-FE V8 (often found in models like the LS400, Soarer, Crown, etc.), you’ve probably heard the stories: random running issues, weird intermittent faults, or an ECU that just seems “possessed.” We’ve now seen multiple Denso 1UZ-FE ECUs come through with the same root cause: leaking electrolytic capacitors that

MacBook Water Damage: What to Do (and What Not to Do) Today we had a 14-inch M4 MacBook Pro come in for inspection after the customer accidentally spilled water over the keyboard. This happens more often than people think — and what you do in the first few minutes can be the difference between a

A cracked or faulty MacBook screen doesn’t always mean you need an expensive full display replacement. At Device Repair Guy, we specialise in advanced board-level and display-level repairs that can often save you hundreds of dollars by fixing the fault at its source — not just swapping parts. In this article, we’ll break down the

What is GPD Win 4 2023? The GPD Win 4 is a handheld gaming PC made by GPD (GamePad Digital), designed to run full Windows like a mini laptop—but in the form factor of a PlayStation-style handheld. This particular unit has 64GB RAM and 4T SSD!! It’s a beast…when it runs but now, it is

Today we are fixing a Bosch ABS/ESP control module used on BMW vehicles from the late 1990s to early 2000s — commonly fitted to E38 (7-Series), E39 (5-Series), and E46 (3-Series) models. Known as ABS module repair / rebuild for BMW. Customer brought it into the shop after they tried to repair it themselves. You

Steam Deck (LCD version) 2022 Model 1010 came in dead on arrival. Technician’s notes from the initial assessment: Sighted the issue. Connected our charger and the reader showed that the console was taking a good amount of power. I noticed that the console was turning on as I could feel the haptics turn on. Connected

MacBook Air 15-inch retails for about $2100- $2700 depending on the storage size. at the time of writing this. This repair has cost $584 inc gst. Here is a good example of the value in being able to repair logic boards in newer MacBooks. More and more we are finding that our job queues consist

Diagnostic Scanner Tablets for Automotive industry break and need repair just like any other tablets. They are protected by tough rubber cases but also live in much tougher environments. We replace touch screens, LCDs, batteries and charging ports in all tablets including diagnostic tools such as Autel MaxiSys, MaxiTPMS, Launch and FCAR Modern workshops rely

This is the question we often get when our customers consider their options. In terms of cost, it is definitely cheaper to repair then to buy new iPhone. At the time of writing this, new base iPhone is about $1600 while three year old refurbished model is about $700. In terms of value for money,

You’re looking at an automotive ECU (Engine Control Unit) — the “computer” that controls key functions of a vehicle’s engine and sometimes transmission. The label shows identifying codes (e.g. DF10DMEE, P56040, 964, T0876) typically used by the manufacturer or parts supplier to identify this specific ECU model. The connector section on the left is where

HP Envy x360 with expanding battery, the problem common in both pones and laptops, any brands. We received HP Envy X360 with expanded battery and warped case caused by battery swelling. As a result of the swollen battery, the keyboard stopped functioning as well. Luckily, the case did not permanently deform but the keyboard needed

When a business upgrades its laptops, the old devices often get tossed aside, stored away, or disposed of without much thought. But did you know that improperly discarding old laptops can put your company at serious risk? Even if a laptop no longer boots up, the data stored on its drive can still be recovered.

We recently had an iPhone SE 2022 (3rd Gen) come into our workshop with a frustrating issue: the touchscreen was completely unresponsive. The customer had already tried screen replacements elsewhere — no luck. That’s when the real diagnosis began. Diagnosis: Touch Not Working Due to Broken Trace After ruling out the screen, connector, and software

We find ourselves spending lots of time diagnosing various devices. Some are easier than others. MacBooks for example are a breeze in comparison GPU cards. When GPU card is not performing or is intermittently performing, it can take lots of time to find the exact component that failed. We limit ourselves to 1.5 hours for