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PRM Repair Intelligence · Data Resource

Laptop Symptom & Repair Matrix

A practical table that connects the symptom you can observe to relevant PRM repair-record evidence, a safe first check and the matching diagnostic guide.

13Core symptom paths
Two evidence sourcesEvidence kept separate
0Automatic symptom-to-diagnosis claims
Laptop symptom to diagnostic path map A visual map connecting symptoms such as no power, display, charging, performance, damage and data to distinct diagnostic paths. SYMPTOM GUIDE Start with the state you can observe POWERno power · shutdown DISPLAYblack · lines CHARGINGadapter · battery PERFORMANCEslow · freeze · heat PHYSICALspill · hinge · keyboard DATAdeleted · inaccessible Symptom → safe check → evidence → diagnostic guide Not a failure probability or automatic parts recommendation

How to use the table

Start with the state you can actually observe

The matrix is designed to prevent common diagnostic shortcuts. “Won't charge” does not automatically mean “bad battery.” “Black screen” does not automatically mean “broken LCD.” “Slow computer” does not automatically mean “needs more RAM.”

Each row points you to a guide that starts with the symptom and shows safer checks before a repair is assumed.

Symptom reference table

Observed symptom → repair-record context → safe check → guide

Observed symptomRelevant PRM evidence contextFirst diagnostic distinctionPRM guide
Won't turn onPower / boot / stabilityPower source, charger state, signs of lifeOpen guide →
Black screenScreen / display hardware + power/boot contextExternal display, brightness, startup signsOpen guide →
Won't chargeCharging / power inputKnown-good compatible adapter, port behaviorOpen guide →
MacBook screen linesScreen / display hardwareScreenshot, external display, lid-position behaviorOpen guide →
Computer is slowSoftware / OS / account; storage/data/memory; thermal contextCPU, memory, disk, storage space, heatOpen guide →
Laptop freezesSoftware / OS / account; power/boot/stability; storage/data/memoryOne app vs whole system, Safe Mode, diagnosticsOpen guide →
Keeps shutting offPower / boot / stability; battery; charging; thermal contextTrue power loss vs restart, battery vs plugged in, heat/loadOpen guide →
Battery drains / dies earlyBatteryBattery health, runtime, sudden percentage drops, swellingOpen guide →
Water / liquid spillLiquid damageShut down, disconnect power, allow drying, avoid repeated testsOpen guide →
Broken / loose hingeHinge / frame / chassisHinge resistance, chassis separation, display changesLaptop Hinge Broken
Keyboard not workingKeyboard / trackpad / controlsSome vs all keys, external keyboard, layout/settings, diagnosticsLaptop Keyboard Not Working
Overheating / loud fansThermal / fan / cleaningHard surface, vents, CPU load, fan diagnosticsComputer Overheating
Deleted / inaccessible dataStorage / data / memoryDeleted vs no-boot vs failing drive; minimize writesLaptop Data Recovery

The table does not estimate the chance that a symptom has one particular cause. It also does not turn broad PRM repair-record groups into symptom-specific diagnosis rates.

Where the information comes from

The information behind the table

Completed repair records

Completed repair records remaining after the published exclusions. The categories describe recorded service work and do not prove one universal cause.

Customer appointment reports

How customers described problems before diagnosis. These reports are not confirmed repair findings.

Manufacturer guidance

Manufacturer documentation used for safe checks, platform-specific diagnostics and service context.

How to read the table

One symptom does not prove one repair

“Based on a selected sample of real repair records from Phone Repair & More’s internal operational data.”

“These figures describe the distribution of service categories within the selected Phone Repair & More repair-record sample. They are not product-wide failure rates, defect rates, reliability estimates, or probabilities that any laptop or computer model will experience a given problem. The sample consists only of devices that entered PRM’s service workflow and may reflect PRM’s locations, customer mix, services offered, record-keeping practices, and the period analyzed.”

“Appointment data reflects issues customers selected or described before diagnosis. It should not be interpreted as technician-confirmed faults or completed repairs.”

How the PRM repair records were prepared

See how the repair records were selected and counted

Laptop & Computer Repair Data Methodology

See how records were identified, filtered, grouped and handled when the sample was small.

PRM Repair Intelligence

Start with the symptom before you name the repair

The table connects common symptoms with safer checks without assuming that one symptom proves one failed component.