Your Lenovo Legion is behaving strangely and you’re not sure if it’s the cooling, power supply, or something more serious? Before we propose a repair, we diagnose the cause thoroughly. Repairs typically take 1–3 working days.
In brief: in the Lenovo Legion, as a gaming laptop with two cooling systems and powerful power delivery, there can be several causes of strange behaviour at once. We measure actual power draw with a laboratory power supply and check the drive, cooling, and motherboard before proposing a repair.
Our experience with Lenovo Legion
We’ve carried out diagnostics on 7 Lenovo Legion laptops. This is a gaming series with powerful components that generate a lot of heat — which is why diagnostics on Legions particularly often includes checking both cooling systems independently.

Legion — why diagnostics can be more complex here
The Lenovo Legion is a gaming design with two independent cooling systems and high power draw under load, which means fault symptoms can be misleading — a power issue can look like overheating, and overheating can look like a motherboard failure. That’s why with Legions we always measure actual power draw and check both cooling systems separately, rather than relying solely on the symptoms reported by the customer.
When you’re looking for help with your Legion
You find us after searching for „Lenovo Legion shuts down randomly”, „Legion diagnostics Warsaw” or „Legion acting strange don’t know why”.
Symptoms requiring diagnostics
- Laptop shuts down randomly, especially under load
- Unexplained performance drop in games with no clear cause
- Laptop won’t start at all
- Suspicion of several problems at once (power, cooling, drive)
With Legions, diagnostics is our X-ray — without measuring power draw and checking both cooling systems, it’s easy to mistake the cause of the fault.
Apenfix technician
What happens if you delay
- Risk of overlooking a more serious motherboard fault
- Ineffective „guesswork” repair when there are multiple causes
- Potential for further component damage under load
How diagnostics work at our service centre
1. Free inspection
Initial assessment takes 5–15 minutes and is always free of charge.
2. Current draw measurement
We measure the Legion’s actual current draw using a 19 V lab power supply.
3. Report and quote
We provide a full diagnostic report and a fixed repair price, quoted upfront.
4. Decision and warranty
Diagnostics are free when you proceed with the repair and are covered by warranty.
Repair time may vary depending on parts availability and service centre workload.
Legion diagnostics — we serve all of Warsaw
We accept Legion laptops from clients in every Warsaw district — Śródmieście, Wola, Mokotów, Ochota, Żoliborz, Bemowo, Bielany, Ursynów, Praga-Południe, Praga-Północ, Targówek, Białołęka, Wawer, Włochy, Ursus, Wilanów, Rembertów and Wesoła — as well as from the surrounding areas.
We have more than one location in convenient parts of Warsaw, so getting to us is quick and easy wherever you live or work. Our current service point addresses are listed further down this page.
Why Apenfix
Frequently asked questions
Is Lenovo Legion diagnostics charged?
The basic inspection is always free. Extended diagnostics is free with repair, and charged if you decline, with the price stated upfront.
Why does Legion diagnostics take longer than a regular laptop?
Legion has two independent cooling systems and powerful components, so we check more elements to pinpoint the cause precisely.
What if there are several faults in the Legion at once?
Diagnostics detects all problems simultaneously, so you get one comprehensive quote instead of further surprises.
Does diagnostics come with a warranty?
Yes, we provide a warranty even on diagnostics alone.
How long does full Legion diagnostics take?
Initial inspection takes 5–15 minutes, and extended diagnostics usually 1–3 working days.
The exact cost of Lenovo Legion diagnostics is determined individually, depending on the scope of testing. You’ll find the current price list under the button above.
Two service points in Warsaw
Visit whichever of our two locations is more convenient for you.
Location 1 — Wolska
Wolska 50A/Lokal 26
01-187 Warszawa
Location 2 — al. Szucha
al. Jana Chrystiana Szucha 1
00-580 Warszawa
See also
- Lenovo Legion Cooling System Cleaning
- Lenovo Legion Liquid Damage Repair
- Lenovo Legion Charging Port Repair
- Lenovo IdeaPad Diagnostics

