on-site diagnosis
repair warranty
bookable
all Shanghai
Diagnose first, quote after, and only start once you approve

Screen distortion, black screens and no-power from dry GPU or bridge-chip joints are reballed on a rework station, with cooling improved at the same time.
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The sooner after a spill, the better. We strip, clean corrosion, replace damaged components, and save the board and drive data where possible.
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No power when plugged in, battery not charging, loose power jack — we trace the power and charging circuits and replace failed components.
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No response to the power button, stuck at logo or rebooting — we check the EC and boot circuit, reflash firmware or replace the chip if needed.
Book nowDiagnose step by step, locate first, then quote
Test the battery, charge/discharge circuit and detection circuit.
Usually dry joints or aging components; redo soldering and run long stress tests.
Check the display cable, video memory and GPU core power.
Test standby power and the boot sequence section by section.
Power off, strip and clean, focus on motherboard corrosion.
Test standby power, boot circuit and EC, locate the exact component before touching anything.
On-site diagnosis is free; the final price follows the itemized quote after diagnosis, and you confirm before we repair
| Item | Price range | Notes |
|---|---|---|
| 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 |
| Reassembly & stress test | Included | Assembly, drivers and aging test before handover |
| On-site diagnosis | Free | No charge if not repaired, fault point explained |
| Motherboard chip-level repair | RMB 300–800 | Component-level repair of power, boot and port circuits |
From the first call to acceptance and payment, in a few steps
Circuit-level checks on site to locate the exact fault point
Component repair quoted where possible; board replacement explained clearly if needed
Common parts carried in the van; rework-station jobs taken back with photo documentation
Power aging and stress tests to confirm stability before handover
Pay only when satisfied; 90-day repair warranty
Business, store and home clients alike, with a technician arranged nearby

A vocational-training centers client in Fengxian Industrial Zone 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.

The client used to call only when something broke, and faults kept recurring. After asset records and scheduled inspections, the number of service calls dropped noticeably.

The client moved into a new office in Fengxian Industrial Zone, with devices and cabling to re-organize. We tested and numbered each device and delivered an equipment list at handover.

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 cosmetics factories client working in Zhuanghang 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 Laptop Motherboard Chip-Level Repair in Fengxian
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.
On-site fixes are done immediately; rework-station jobs usually take 1–3 working days, and we give an estimate when we take it on.
Yes. Judgment and diagnostic depth differ. An independent diagnosis costs nothing extra: component repair if possible, board replacement only if genuinely necessary.
On-site diagnosis is free; you approve the quote before any repair.
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 across all 10 subdistricts of Fengxian