PC building guides.
Choose your parts, check how they fit, build your PC and solve problems along the way.
34 guides to help with your build
Start here
Your first parts list, build notes and the decisions to make before ordering.
How to Share a PC Parts List for Build Advice
“Is this a good build?” is hard to answer without knowing what the PC has to do. Give readers the workload, full models and one or two decisions you want help with.
3 min readRead guideBefore you buildFirst PC Build Checklist: Parts, Tools and Preparation
Before opening boxes, check the small things that can stop a build: the cooler bracket, an SSD screw, a display cable and an operating-system installer. This list covers the hardware and preparation needed to reach a working first boot.
4 min readRead guideBudget & comparisons
Set a realistic budget and compare platforms, graphics brands and ready-built systems.
How to Budget for a PC Build: Parts, Tax and Shipping
The parts subtotal is the easy number to compare. Delivery, missing accessories and a monitor you still need are what can push a build past its budget.
3 min readRead guideBUDGET PLANNINGPlanning a $500, $1,000, $1,500 or $2,000 PC Build
A $1,000 budget can mean a $1,000 tower or an entire desk setup. Settle that difference before choosing a processor. The four budgets below are ways to organize a purchase, not live price quotes or promises about gaming performance.
5 min readRead guideBUY OR BUILDPrebuilt vs Building Your Own PC: How to Compare
The real choice is how much of the selection, assembly and troubleshooting you want to own. Compare the full hardware and support package before deciding whether a prebuilt, a paid assembly service or DIY offers the better deal.
5 min readRead guidePLATFORM COMPARISONAMD vs Intel for a PC Build: Compare the Whole Platform
Compare a complete AMD build with a complete Intel build. The CPU price is only one part of the decision: the motherboard, memory, cooling and software you use can change which platform makes sense.
5 min readRead guideGRAPHICS COMPARISONNVIDIA vs AMD vs Intel GPUs: What to Compare
Start with the software, then shortlist the cards. NVIDIA, AMD and Intel offer different feature paths, but a brand name cannot tell you whether a particular card will run your renderer, fit your case or deliver the game settings you want.
5 min readRead guideChoose components
Processors, graphics, memory, storage, cooling, power supplies and monitors.
How to Estimate PC Power Use and Choose a PSU
A PSU needs the right capacity, connectors and cables for the whole machine. Use the estimated wattage to understand the parts list, then check the power supply against the hardware it will run.
3 min readRead guideCPU BUYING GUIDEHow to Choose a CPU for Gaming and Productivity
Choose the CPU after naming the job that needs to get faster. A high-refresh gaming PC, a video-editing machine and a box for long CPU renders can justify different purchases. Compare the whole platform cost before a processor's core count or badge settles the decision.
6 min readRead guideGRAPHICS CARD BUYING GUIDEHow to Choose a Graphics Card for 1080p, 1440p and 4K
“A 1440p card” leaves out the game, settings and frame rate. Start with those three choices, then compare cards that can deliver the experience you want. VRAM, case fit, power and software support can rule out an otherwise attractive deal.
6 min readRead guideMOTHERBOARD BUYING GUIDEHow to Choose a Motherboard: Socket, BIOS, Slots and Headers
A motherboard purchase starts with two questions: will this exact CPU start on it, and can it connect everything in the finished build? Answer those from the support list and manual before paying for a more expensive chipset or extra expansion slots.
5 min readRead guideMEMORY BUYING GUIDEHow Much RAM Do I Need? Choosing 16GB, 32GB or 64GB
Choose RAM for the work you keep open, not the largest number you can fit into the budget. If the PC pauses as you switch between a game, browser and editor, capacity is worth investigating. If those tasks already run comfortably, extra RAM may change very little.
6 min readRead guideSTORAGE BUYING GUIDEHow to Choose an SSD for Gaming and Work: Capacity, NVMe and SATA
Start with what has to fit on the SSD. A fast drive that forces you to uninstall games or move project files every week is a poor upgrade. Once capacity and the motherboard connection are settled, spend the remaining budget on performance your work can use.
4 min readRead guideCOOLING BUYING GUIDEAir Cooler vs AIO Liquid Cooling: Which Fits Your PC?
The cooler has to work inside your case, beside your RAM and graphics card, at a noise level you can live with. Choose the installation first. Then compare suitable air coolers and AIOs under the kind of load your CPU will spend time running.
5 min readRead guideDISPLAY CHOICESChoosing a Gaming Monitor: Resolution, Refresh Rate and Connections
Choose the monitor and graphics card as a pair. A screen can offer a resolution or refresh rate that your games rarely reach, or support the desired mode only through a connection you do not have. Start with what you want to see and how you will connect it.
4 min readRead guideCheck compatibility
Socket and BIOS support, memory profiles, physical clearances and connections.
How to Check PC Part Compatibility Before You Buy
A parts list can look right and still leave you with the wrong RAM or a cooler that stops the side panel closing. Check these combinations before placing an order.
4 min readRead guideCPU and motherboardCPU and Motherboard Compatibility: How to Check BIOS Support
To check CPU and motherboard compatibility, identify both exact models, find the processor in the board manufacturer's CPU support list, and confirm the required BIOS. A matching socket is only the first check. Before an upgrade, make sure the board has suitable firmware or a documented way to install it.
5 min readRead guideMemoryDDR4 vs DDR5 Compatibility: Which RAM Fits Your Motherboard?
For an existing PC, the motherboard decides whether you can buy DDR4 or DDR5. For a new build, choose the CPU, board and memory together. DDR5 is not a drop-in upgrade for a DDR4 slot.
4 min readRead guideMemoryXMP and EXPO: RAM Speed, Compatibility and Stability Checks
RAM running below its advertised speed is often using its default settings. XMP or EXPO can apply a faster stored profile. Whether that profile runs reliably depends on the CPU, motherboard, BIOS and the modules installed together.
4 min readRead guideGraphics and caseWill My GPU Fit My Case? Length, Thickness and Cable Clearance
GPU length is only one reason a card might not fit. Its cooler can cover another slot, a front radiator can consume the remaining space, or the side panel can press against the power plug. Choose the exact card variant before checking the case.
5 min readRead guideCooling and caseCPU Cooler and RAM Clearance: Check the Fan, Memory and Case Together
Tall RAM can force a tower cooler's front fan upward. That may clear the memory and still leave the fan too tall for the case. Check the RAM, fan and heatsink in their final positions before buying them together.
5 min readRead guideCooling and caseAIO Radiator Compatibility: Will a 240, 280 or 360 mm Cooler Fit?
A case that lists '360 mm radiator support' does not necessarily accept your 360 mm AIO in the roof. Mounting position, radiator thickness, fans and neighboring parts decide whether the installation works.
7 min readRead guideMotherboard connectionsUSB-C Motherboard Header: Where to Connect Your Case Cable
Plug your case's front USB-C cable into the motherboard's matching internal front-panel Type-C header. A USB-C port on the rear I/O panel is a separate connection; it does not tell you where the case cable plugs in.
6 min readRead guideStorageM.2, NVMe and SATA SSD Compatibility: Slots, Sizes and Shared Lanes
M.2 tells you the drive's physical format. It does not tell you whether the drive uses SATA or PCIe/NVMe, or whether a particular motherboard socket can run it. Start with the numbered slot you plan to use.
7 min readRead guideBuild & set up
Assembly, airflow, first boot, operating system setup and stability checks.
How to Build a PC Step by Step: Assembly and Connection Checks
Build around access: fit parts while their sockets and connectors are easy to reach. The order below suits a conventional desktop with an air cooler or sealed AIO. A compact case may need a different sequence, so keep the case and component manuals open.
5 min readRead guideFirst bootWhat to Do After Building a PC: BIOS, Windows and Drivers
The BIOS screen is a good first result. Before installing games or enabling a fast memory profile, make sure the board sees all your parts, the cooler works and Windows is going onto the right drive. This order leaves you with a working setup to return to if a later change goes wrong.
5 min readRead guideCooling and airflowPC Case Airflow and Fan Placement: Intake, Exhaust and Practical Checks
Before filling every fan mount, work out where air enters your case and where it leaves. The useful arrangement is the one that supplies the CPU cooler and graphics card without making the PC louder than it needs to be. Start with the case's intended layout and the fans you already have.
5 min readRead guideFix a problem
Work through no power, no display, overheating and excessive fan noise.
PC Turns On but No Display: A New-Build Troubleshooting Guide
The fans spin, but the monitor says “no signal.” Start with the display cable and the motherboard's diagnostic lights before dismantling the build. A PC that never reaches the BIOS needs different checks from one that loses its picture as Windows starts.
5 min readRead guideBoot troubleshootingNew PC Won't Turn On: Power and Front-Panel Checks
Press the case button once and watch what happens. No response, a brief fan twitch and a running PC with no picture are three different problems. For a system that will not start, check the power path and case-button connection before suspecting the expensive parts.
4 min readRead guideCooling troubleshootingPC Overheating and Noisy Fans: Find the Cause Before Buying a Cooler
A fan getting loud during a render may be doing its job. A scrape at idle or a temperature jump immediately after a cooler change needs a different response. Identify the sound and when it starts before buying another cooler.
4 min readRead guideTesting and validationHow to Test a New PC for Stability: A Staged Checklist
A new PC can boot successfully and still fail when a game, render or memory profile puts it under load. Test it in stages so that a failure tells you something useful. Start with ordinary use, then check memory, CPU and graphics before combining workloads.
5 min readRead guideUpgrade & reuse
Find the limiting component and decide which existing parts you can keep.
Can I Reuse My Old Power Supply in a New PC?
Keeping a suitable power supply can save money, but start with its full model number and its cables. A familiar brand and a large wattage label are not enough to decide whether an old unit belongs in a new build.
5 min readRead guidePC UPGRADE PLANNINGWhat PC Parts Should I Upgrade First, and What Can I Reuse?
Start with the delay or limitation you want to remove. A bigger graphics card will not fix a full drive, and a new CPU may leave an application pause untouched. Diagnose one recurring problem, then price the smallest change that addresses it.
4 min readRead guideDIAGNOSE BEFORE UPGRADINGCPU or GPU Bottleneck? How to Check Before Upgrading
Before replacing a CPU or GPU, find a scene where the problem repeats. A few runs with one setting changed can tell you more than an online bottleneck percentage built from two component names.
4 min readRead guidePick up where your build needs you.
You do not need to read the library in order. Choose a practical starting point and follow the checks that apply to your PC.
Estimate local AI model memory
Calculate the weight-storage floor, then check what runtime and context still need.
Parts ready? Start assembly
Work through the installation sequence and check each connection against the component manuals.
Power on, but no picture?
Check the display path and diagnostic indicators before replacing parts.
Turn the reading into a parts list
Explore explained starter configurations, then copy and adapt one to your own requirements.