on-site diagnosis
repair warranty
most jobs scheduled
all Shanghai
Diagnose first, quote after, and only start once you approve
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 Gangyan Town can be scheduled the same day, with our technician bringing full tools and parts
We can come after hours or on weekends so we don't interrupt your work.
Business clients get repair invoices and itemized records for reimbursement.
Most jobs can be scheduled the same day; we confirm the time by phone.
Diagnose step by step, locate first, then quote
Repair with a boot disk, and rescue data first where possible.
Install a genuine OS to the new drive and migrate the old drive's data to use as a secondary disk.
Adjust partitions or clean system files to free space.
Check license status and re-activate/configure to your situation.
On-site diagnosis is free; the final price follows the itemized quote after diagnosis, and you confirm before we repair
| Item | Price range | Notes |
|---|---|---|
| BGA reball / rework | RMB 400–1200 | GPU core and bridge-chip dry joints |
| Liquid corrosion treatment | RMB 300–600 | Strip, clean, de-corrode and replace components |
| Charging / standby circuit repair | RMB 300–800 | Includes power jack and charging chip |
| EC / BIOS repair | RMB 200–500 | Firmware reflash or chip replacement |
| Board replacement (when truly unrepairable) | RMB 800–2500 | By model, old board may be credited |
| Data rescue | RMB 500–2000 | Success rate assessed first, cost confirmed before recovery |
From the first call to acceptance and payment, in a few steps
AP point install, POE power and cable runs, minimizing disruption
Tune thresholds and channels, walk-test speeds on site, finish when you're satisfied
Tell us the model, symptoms and any liquid exposure; we call back within 30 minutes
Circuit-level checks on site to locate the exact fault point
Business, store and home clients alike, with a technician arranged nearby
The same problem had been handled twice elsewhere without a fix. We re-diagnosed to find the real cause, and after repair it stayed stable for a week of observation.
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 eco-agriculture firms client working in Hengsha Island 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.
What you most want to know about on-site service in Gangyan
We walk-test speeds in every room, check signal strength and handoff, and finish only when it meets the bar.
The plan leaves expansion headroom, and you get the point map and accounts, so later adds are done straight off the drawing.
No response to the power button, liquid damage, black/distorted screen, won't charge, short circuits — these may all need it. Free on-site diagnosis locates the fault, then we tell you whether to repair components or replace the board.
Most component-level repairs are quoted far below board replacement. If it's genuinely unrepairable, we'll say so clearly and let you decide whether to replace or go another route.
Repair warranty is 90 days. Before handover we run power aging and stress tests, photograph before and after, and list replaced parts honestly on the invoice.
The sooner the better. Power off and don't keep powering it on; after stripping and de-corrosion most can be saved. Even with heavy board damage, drive data can usually be recovered separately.
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 Gangyan Town, surrounding subdistricts and all of Chongming
