Won't power on, liquid damage, cracked screen, battery not charging, lag and blue screens — free on-site diagnosis, quote before repair, pay after it's fixed. We also do dust cleaning and RAM/SSD upgrades to give an old machine a few more years.
fastest arrival
on-site diagnosis
repair warranty
all Shanghai
Repairs, maintenance, upgrades and system software — most laptop jobs can be handled on site
Board-level repair for all major brands, chip-level soldering, screen assembly replacement and liquid-corrosion treatment.
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Do it once before summer to prevent overheating shutdowns and fan noise. Recommended yearly, RMB 80–150.
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The most cost-effective way to speed up an old machine. Most models can be upgraded on the spot; parts can be sourced or brought by you.
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Files are backed up first and your usual software reinstalled. Blue screens, lag and slow boots are usually fixed in one visit.
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Recovery for deleted, formatted or clicking drives and liquid-damaged laptops — we assess the success rate before deciding.
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MacBook screen, battery, keyboard and motherboard faults are all handled, with system install and dual boot done on site.
Book nowWe diagnose step by step on site, locate the real fault, then quote
Power jack, power circuit, motherboard short, poor RAM contact.
Motherboard cleaning, corrosion treatment, keyboard and trackpad replacement.
Replace the LCD, cable or hinge, and judge on site whether it's the panel or the GPU.
Replace the battery or repair the charging circuit.
Drive check, memory test, driver repair, system tuning.
Keyboard cable repair, full keyboard replacement, trackpad module replacement.
Replacement and solder repair for USB, Type-C, HDMI and headphone ports.
Noisy fan, blocked vents, overheating shutdowns.
Deleted files, undetected or clicking drives — assess recoverability first.
On-site diagnosis is free; the final price follows the itemized quote after diagnosis, and you confirm before we repair
| Item | Price range | Notes |
|---|---|---|
| On-site diagnosis | Free | No charge if not repaired |
| Dust cleaning & maintenance | RMB 80–150 | Includes internal cleaning and thermal paste |
| OS reinstall / optimization | RMB 100–150 | Includes drivers and common software |
| Hardware upgrade (RAM / SSD) | RMB 50–100 install | Parts can be sourced or brought by you |
| Battery replacement | RMB 200–500 | By model and capacity |
| Keyboard replacement | RMB 150–400 | By model |
| Screen replacement | RMB 300–800 | By size and resolution |
| Motherboard chip-level repair | RMB 300–800 | Liquid damage, power faults · See chip-level repair details |
| Data recovery | RMB 500–2000 | Success rate assessed first, cost confirmed before recovery |
Six steps from the first call to acceptance and payment
Tell us the model and symptoms; we call back within 30 minutes
We arrange a time slot that suits you
Pinpoint the real fault on site
You confirm before we repair; no mid-job price changes
Common parts are carried in the van; most faults fixed on the spot
Pay only when satisfied; 90-day repair warranty
From office towers, parks, chain stores and homes — bookable across the city
A blown power circuit left the machine dead; a chip-level power-module replacement restored it with all trading and client data intact.
Visited in batches, cleaned dust, replaced thermal paste and added RAM across the fleet, noticeably cutting compile wait times.
Power was cut right after the coffee spill; motherboard cleaning and corrosion treatment plus a keyboard replacement kept all case files intact.
Replaced with an OEM 4K panel, verified color accuracy and touch on site, and completed burn-in and dead-pixel checks before handover.
The drive was powered off at the first click; a full image with professional tools recovered production parameters and drawings.
Built an asset ledger, inspected and serviced each term, responded to faults the same day — no class was ever interrupted.
What you most want to know about on-site laptop repair
Power off immediately, unplug it, and don't try to turn it on. The sooner a spill is handled, the smaller the corrosion. Our technician does on-site motherboard cleaning and corrosion treatment; most liquid-damaged laptops keep their data and work again.
As fast as 30 minutes if close and traffic is light. Most jobs are scheduled the same day; we confirm the exact time by phone.
On-site diagnosis is free. We give you a quote after diagnosis and only start once you confirm; if it can't be fixed for technical reasons, there's no charge.
Dust cleaning is generally RMB 80–150, including internal cleaning, fan cleaning and thermal paste. Recommended yearly, ideally before summer.
Most of the time, yes. Adding RAM or an SSD is the cheapest speed boost — install is usually RMB 50–100, parts can be sourced or brought by you, and most models can be upgraded on the spot.
Yes. MacBook screen, battery, keyboard and motherboard faults are all handled, and system install and dual boot can be done on site.
Describe the model and symptoms; our technician brings the right tools and common parts. Diagnose first, quote after, and repair only once you approve.
WeChat ID: 17887942669
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On-site across all 16 districts of Shanghai
