
How to Build a PC: A Beginner’s Step-by-Step Guide
Build your first desktop PC with a clear assembly order and practical first-boot checklist.
Read guideTHE CIRCUIT COMPASS LIBRARY
Browse 36 guides covering PC hardware, AI, Windows, Android, iPhone, security, backups, networks and everyday troubleshooting.
PC GUIDES

Build your first desktop PC with a clear assembly order and practical first-boot checklist.
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Compare CPU, GPU, motherboard, RAM, storage, PSU and case compatibility before buying.
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Understand DDR memory, SATA, NVMe and the compatibility checks that matter.
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Plan airflow, choose fan direction and diagnose a hot or noisy computer.
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Diagnose a new computer with no power, no display or no boot device.
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Identify whether RAM, storage, graphics or the processor limits your real workload.
Read guideAI

Discover useful AI tools for writing, productivity, coding, research and content creation.
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Use practical prompt patterns to plan, write, analyze and communicate more clearly.
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A responsible guide to AI tools for research, revision, writing and organization.
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Use AI tools without exposing confidential documents, personal information, passwords or sensitive work.
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Verify AI-generated facts, citations, calculations and advice with a repeatable source-checking workflow.
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Write clearer AI image prompts by defining the subject, composition, lighting, style and practical constraints.
Read guideWINDOWS

Simple Windows settings and habits that can improve performance and reduce clutter.
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Diagnose a slow Windows 11 PC and improve startup, storage and everyday responsiveness.
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Protect Windows files with cloud sync, local backups and a tested recovery plan before a drive failure or major update.
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Find what is using Windows storage, remove files deliberately and avoid cleaner tools that can delete something important.
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Diagnose stuck or failed Windows 11 updates using backups, storage checks, built-in troubleshooting and official recovery options.
Read guideANDROID

Find useful Android shortcuts for privacy, multitasking, notifications and daily use.
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Extend Android battery life with settings that preserve convenience and performance.
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Protect an Android phone with updates, a strong screen lock, safer app permissions, backups and account recovery options.
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Move apps, photos, messages and accounts to a new Android phone while keeping the old phone intact until everything is verified.
Read guideIPHONE

Review practical iPhone settings for privacy, focus, safety and fewer distractions.
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Make an iPhone last longer between charges and understand battery health.
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Strengthen iPhone security with a better passcode, updates, account recovery, permission reviews and a current backup.
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Prepare, transfer and verify data on a new iPhone before erasing, selling or trading in the old device.
Read guideSECURITY

Recognize credible warning signs, secure your accounts and avoid common phone-hacking myths.
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Build strong unique passwords and protect them with a password manager and MFA.
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Spot phishing pressure tactics, inspect links safely and protect your accounts after clicking or sharing information.
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Choose stronger multifactor methods, save recovery codes and avoid approval fatigue and verification-code scams.
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Protect a home network by updating the router, changing default access, using modern Wi-Fi security and separating guests.
Read guideHOW-TO

Diagnose slow Wi-Fi and improve speed, range and reliability without guesswork.
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Recover accidentally deleted files safely from computers, phones and cloud storage.
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A practical checklist to diagnose and improve a slow desktop or laptop.
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Choose a laptop by workload, display, battery, ports, repairability and support instead of comparing specification labels alone.
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Create three copies of important files, on two types of storage, with one copy kept away from the original device.
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Find whether tabs, extensions, a profile, the network or the computer is making web browsing slow.
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