on-site diagnosis
repair warranty
most jobs scheduled
all Shanghai
We diagnose step by step on site, locate the real fault, then quote
Component-level repair instead of board replacement, stress-tested before handover.
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Install and activate a genuine OS, load all drivers in one pass, and configure office and common software to your habits.
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Measure signal strength and interference point by point, map the dead zones, and deliver a plan and quote before any work.
Book nowMost jobs in Changhai Road can be scheduled the same day, with our technician bringing full tools and parts
Business clients get repair invoices and itemized records for reimbursement.
Most jobs can be scheduled the same day; we confirm the time by phone.
Common parts are carried in the van, so most faults are fixed on the spot.
Diagnose step by step, locate first, then quote
Check BIOS, EC and bridge chip; reflash firmware if needed.
We do an independent diagnosis first — component repair if possible, board replacement only if genuinely necessary.
Test the battery, charge/discharge circuit and detection circuit.
Usually dry joints or aging components; redo soldering and run long stress tests.
On-site diagnosis is free; the final price follows the itemized quote after diagnosis, and you confirm before we repair
| Item | Price range | Notes |
|---|---|---|
| Signal survey & plan | Free | On-site signal test + point planning + budget |
| AP deployment & tuning | RMB 150–400/AP | Includes point install, POE power and channel tuning |
| Roaming optimization | From RMB 200 | Includes threshold/channel tuning and on-site walk test |
| Whole-home WiFi plan | From RMB 800 | Includes survey, device selection and full tuning |
| Mesh tuning | From RMB 300 | Includes node placement and backhaul selection |
| Cable points | From RMB 80/point | Includes panel, module and label testing |
From the first call to acceptance and payment, in a few steps
Go through the notes, 90-day system warranty
Tell us the area, floors and where signal is poor; we call back within 30 minutes
Test signal and interference point by point, map dead zones, deliver a point map and budget
You confirm before work; no mid-job price changes
From office towers, parks and chain stores to homes — bookable across the city
The client needed to operate normally during the day, so we came after hours. Several staff worked in parallel and finished testing and cleanup before closing.
A university labs client working in Kongjiang Road had devices failing and holding up progress. We visited by appointment and handled them in groups, restoring normal use the same day and logging the devices into a table.
A startup teams client in Zhongyuan had a device go down suddenly. We judged the fault direction by phone, and our technician brought matching parts and completed repair and testing the same day.
What you most want to know about on-site service in Changhai
We fully back up and migrate first and only start once your files are confirmed safe. Old-device data is securely cleaned before disposal.
Yes. Office software, industry software and printer drivers are set up the way you used them, tested before we leave.
We install a genuine OS. Licensing is handled to your machine's situation, and we explain the current state when done.
Not necessarily. We diagnose first and repair where possible — many blue-screen, slowdown and boot issues are fixable, and we only suggest reinstall when repair won't do.
AP deployment is RMB 150–400/AP, whole-home plans from RMB 800, depending on area, floors and whether cabling is needed. Survey is free — we give a point map and budget first.
As fast as 30 minutes if close and traffic is light, most jobs scheduled the same day. Survey and plans are free.
Describe the device and the 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 in Changhai Road, surrounding subdistricts and all of Yangpu
