Yangpu Laptop Motherboard Chip-Level Repair on-site
YANGPU · CHIP LEVEL

Laptop Motherboard Chip-Level Repair in Yangpu, diagnose first then quote

chip-level repair around Yangpu Riverside and Fudan University area, Yangpu — all covered.Pay after it's fixed.chip-level repair arranged nearby.

Free

on-site diagnosis

90days

repair warranty

13subdistricts

bookable

16districts

all Shanghai

WHAT WE DO

What Laptop Motherboard Chip-Level Repair covers in Yangpu

Diagnose first, quote after, and only start once you approve

Yangpu EC / BIOS & Boot Circuit

EC / BIOS & Boot Circuit

EC chip BIOS flash Boot circuit No trigger Stuck at logo

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.

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Yangpu Report & Repair Documentation

Report & Repair Documentation

Pre-photos Process docs Honest parts list 90-day warranty

Photos before and after, an honest list of replaced parts on the invoice, and stress testing before handover.

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Yangpu Motherboard Chip-Level Repair

Motherboard Chip-Level Repair

Not board swap Component-level Power circuits Short circuit Random reboots

Circuit-level diagnosis pinpoints the fault to a specific circuit; we replace components rather than swapping the whole board, usually far cheaper than replacement.

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Yangpu BGA Rework & Reballing

BGA Rework & Reballing

BGA reball Dry-joint repair GPU core Bridge chip Rework station

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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COMMON ISSUES

Most-repaired issues in Yangpu

Diagnose step by step, locate first, then quote

Charge light on but won't start

Test standby power and the boot sequence section by section.

Liquid spilled on the keyboard

Power off, strip and clean, focus on motherboard corrosion.

No response to the power button

Test standby power, boot circuit and EC, locate the exact component before touching anything.

Plugged in but won't charge / no light

Check the power jack, charging chip and battery-detection circuit.

Black screen / distortion / no display

Check GPU core, video memory and cable; BGA rework if needed.

Liquid / coffee spill

Strip and clean corrosion, replace damaged components, preserve data where possible.

PRICE

Pricing guide

On-site diagnosis is free; the final price follows the itemized quote after diagnosis, and you confirm before we repair

ItemPrice rangeNotes
Charging / standby circuit repairRMB 300–800Includes power jack and charging chip
EC / BIOS repairRMB 200–500Firmware reflash or chip replacement
Board replacement (when truly unrepairable)RMB 800–2500By model, old board may be credited
Data rescueRMB 500–2000Success rate assessed first, cost confirmed before recovery
Reassembly & stress testIncludedAssembly, drivers and aging test before handover
On-site diagnosisFreeNo charge if not repaired, fault point explained
Motherboard chip-level repairRMB 300–800Component-level repair of power, boot and port circuits
SERVICE PROCESS

How it works

From the first call to acceptance and payment, in a few steps

1

Stress testing

Power aging and stress tests to confirm stability before handover

2

Acceptance & warranty

Pay only when satisfied; 90-day repair warranty

3

Describe the fault by phone

Tell us the model, symptoms and any liquid exposure; we call back within 30 minutes

4

Free on-site diagnosis

Circuit-level checks on site to locate the exact fault point

5

Repair or replace — explained

Component repair quoted where possible; board replacement explained clearly if needed

CASES

Service cases in and around Yangpu

Business, store and home clients alike, with a technician arranged nearby

Fudan University area · issue reported repeatedly without resolution

Fudan University area · issue reported repeatedly without resolution

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.

Yangpu Riverside · overnight visit to avoid disrupting business

Yangpu Riverside · overnight visit to avoid disrupting business

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.

Fudan University area · on-site service for 2 university labs devices

Fudan University area · on-site service for 2 university labs devices

A university labs client working in Fudan University area 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.

Yangpu Riverside · emergency repair for a startup teams

Yangpu Riverside · emergency repair for a startup teams

A startup teams client in Yangpu Riverside 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.

Fudan University area · long-term maintenance moved to a monthly plan

Fudan University area · long-term maintenance moved to a monthly plan

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.

Yangpu Riverside · full-floor office equipment overhaul

Yangpu Riverside · full-floor office equipment overhaul

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

FAQ

Frequently asked questions

What you most want to know about Laptop Motherboard Chip-Level Repair in Yangpu

Is diagnosis charged?

On-site diagnosis is free; you approve the quote before any repair.

Will I lose data?

Anything involving storage is backed up or imaged first; suspect drives are assessed before work.

What if it can't be fixed?

No charge if it can't be fixed for technical reasons, and we explain the situation and options.

Are parts genuine?

Genuine or compatible parts per your choice, with price and warranty on the invoice.

When is chip-level repair needed?

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.

Is repairing or replacing the board cheaper?

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.

ONLINE BOOKING

Leave your number
we call back within 30 minutes to confirm a time

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.

  • On-site diagnosis is free, no call-out fee
  • Quote before repair, transparent pricing with no hidden costs
  • No charge if not fixed; pay only when you're satisfied
  • 90-day repair warranty, parts carry maker warranty
Service hotline (answered around the clock) 17887942669 Hours: Mon–Sun 8:00–22:00
SUNDA Computer WeChat QR

WeChat

WeChat ID: 17887942669

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SERVICE AREA

We're right around you

On-site across all 13 subdistricts of Yangpu