How to Clean a Gaming PC: 12 Steps, 45 Min [2026]

Nadia Dubois
August 23, 2026
20 min read

A gaming PC that ran cool and quiet a year ago can turn into a jet engine by August 2026 without a single hardware change. The culprit is almost always dust: clogged filters, matted fan blades, and a heatsink packed with gray fuzz that blocks airflow. Search interest in “how to clean a pc” runs around 4,400 queries a month in the US, and the timing tracks with GPU prices that have made replacing a card instead of maintaining one a much harder sell. With the RTX 5090 trading near $4,700 and the RTX 5080 sitting around $1,500 in August 2026 market data, squeezing more life and better thermals out of existing hardware matters more than ever.

This tutorial walks through a full 12-step cleaning process for a gaming desktop, plus dedicated sections for handhelds, gaming laptops, and peripherals. It also includes the tools, thermal paste options, and small scripts you can use to log temperature improvements before and after the job. Budget about 45 minutes for a routine clean and up to 90 minutes if you’re also reapplying thermal paste.

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Why Cleaning a Gaming PC Actually Matters in 2026

Dust isn’t just cosmetic. It acts as an insulating blanket over every surface it touches, and heatsinks depend entirely on exposed metal fins to shed heat into moving air. Case and cooler testing methodology from reviewers like Gamers Nexus shows that moderate dust buildup in heatsinks and intake filters typically raises CPU and GPU load temperatures by 5 to 10°C compared with a clean system. Severe buildup, the kind you see in a PC that hasn’t been opened in two years, can push temperatures 10 to 20°C higher, often forcing GPU fans to full speed and CPUs into sustained throttling.

That heat has a direct performance cost. A dusty GPU cooler can knock 50 to 150 MHz off sustained boost clocks once the card crosses roughly 80 to 85°C, because the boost algorithm pulls back frequency to stay inside its thermal limit. On high-TDP CPUs like current Ryzen and Intel gaming chips, a clogged tower cooler can turn a comfortable 70 to 75°C load into 85 to 90°C or higher, which is usually also the point where fan curves ramp up and the whole system gets noticeably louder.

Modern flagship coolers make this worse, not better. The large multi-fan and vapor-chamber designs used on current RTX 50-series and Radeon RX 9000-series cards depend on unobstructed airflow through dense fin stacks. Block that airflow with dust and you erase a meaningful chunk of what you paid for in cooling performance. Gamers Nexus’s thermal paste application testing found that with proper coverage, results land at about 58°C delta over ambient with only a 0.46°C spread between application methods, which tells you the paste itself is rarely the bottleneck. Airflow and cleanliness usually are.

The Real Cost of Skipping PC Maintenance

Upgrading used to be the easy answer to a slow or hot gaming PC. That math has changed. August 2026 market tracking shows the RTX 5090 selling at a median around $4,700 against a $1,999 MSRP, and even the mid-range RTX 5070 has jumped from $659.99 in June to $899.99 in August, a 36% increase in two months according to Newegg listing data reported by Tom’s Hardware. AMD’s Radeon lineup has followed a similar pattern. When a graphics card costs more than a used car down payment, the ten dollars you’d spend on an electric duster and a tube of thermal paste looks like the better investment by a wide margin.

There’s also a compounding effect that’s easy to miss. A GPU running 15°C hotter than it should doesn’t just lose clock speed today; sustained heat cycling accelerates the degradation of thermal paste and thermal pads, which raises temperatures further over the following months. Left unchecked for two or three years, that spiral can turn a card that should have delivered a decade of gaming life into one that’s throttling hard by year three, well before it’s actually obsolete. Regular cleaning breaks that cycle before it starts, and it costs a fraction of what a single generation’s price increase does.

Prerequisites: Tools, Materials, and Software You Need

You don’t need a workshop, but a few specific items make the job faster and safer. Here’s what to gather before you start.

• Compressed air or an electric duster. Canned air works for occasional use. For anyone cleaning more than twice a year, an electric duster like the XPOWER A-2 Airrow Pro (around $65) or the cordless XPOWER A-2B (about $99) pays for itself in avoided can waste and eliminates the moisture risk of propellant-based cans.
• A corded option for heavy jobs: the MetroVac DataVac ED-500, typically $100 to $120, is a long-standing favorite among PC repair shops for its sustained airflow.
• Isopropyl alcohol, 91% or higher. Use it for wiping off old thermal paste. 99% IPA evaporates fastest and leaves the least residue; 70% works in a pinch but takes longer to dry and leaves more water behind.
• Lint-free cloths or coffee filters for wiping the CPU integrated heat spreader (IHS) and GPU die without leaving fibers behind.
• Soft-bristle brushes (an anti-static brush or a clean, dry paintbrush) for loosening caked dust on fan blades and heatsink fins before blowing it out.
• An anti-static wrist strap or frequent contact with a grounded, unpainted metal surface to avoid ESD damage to the motherboard or GPU.
• Fresh thermal paste, if you’re reapplying. Current options include Thermal Grizzly Kryonaut Extreme (2g, roughly $17 to $18), Arctic MX-6 (4g, about $6 to $8), and Noctua NT-H2 (3.5g, around $15).
• A small parts tray or phone camera to keep track of screws and photograph cable routing before you disconnect anything.
• Optional: a free temperature monitoring tool such as HWiNFO64 or GPU-Z, and the NVIDIA or AMD driver package already installed, so you can log before-and-after numbers.

Skip nail polish remover, dish soap, or generic all-purpose cleaners on internal components. Anything with additives, dyes, or oils can leave a film that traps future dust or damages plastic connectors.

Electric Duster vs Canned Air: Which Should You Buy in 2026

Canned air has been the default answer for decades, and it’s still fine for someone who opens their case once a year. But the economics shift fast once you’re maintaining more than one PC, a couple of gaming handhelds, and a mechanical keyboard on a quarterly schedule. A single 10 to 12 oz can runs $6 to $10 and empties in a few minutes of real use, and the leftover propellant residue is a genuine, if small, contamination risk near sensitive electronics. Electric dusters solve both problems by moving ordinary air instead of a chemical propellant, at the cost of a higher upfront price.

Tool	Price	Power Source	Best For
Canned air (generic, 10-12 oz)	$6-$10 per can	Compressed propellant	Occasional, once-a-year cleaning
XPOWER A-2 Airrow Pro	~$65	Corded electric	Frequent home use, multi-device households
XPOWER A-2B / A-3B Cyber Duster	~$99 / ~$79	Rechargeable cordless	Handhelds, keyboards, and PCs away from an outlet
XPOWER A-5	~$97	Corded electric, higher output	Multiple PCs, heavier dust loads
MetroVac DataVac ED-500	$100-$120	Corded electric	Repair shops and enthusiasts cleaning several rigs

Run the numbers on frequency and the break-even point arrives faster than most people expect. Someone cleaning a single gaming PC twice a year spends roughly $15 to $20 annually on canned air, so a $65 electric duster pays for itself in three to four years. Anyone maintaining two or three systems, or cleaning monthly instead of twice a year, breaks even inside twelve months and never faces the annoyance of a can running dry mid-job. The cordless XPOWER A-2B and A-3B models add the convenience of reaching a handheld or a keyboard on the other side of a desk without dragging a cord along, which matters more than it sounds once you’ve actually tried it.

How Often You Should Clean a Gaming PC

The right interval depends more on your environment than on how expensive your hardware is. A high-end rig in a clean, carpet-free office needs less attention than a budget build sitting on a bedroom floor next to a shedding dog. Use the table below as a starting point and adjust based on what you actually see when you check your filters.

Environment	Full Internal Clean	Filter Check	Notes
Clean office, hardwood floor, no pets	Every 6 months	Every 2 months	Lowest dust accumulation rate
Typical home, carpeted room	Every 3 to 4 months	Monthly	Most common baseline for gamers
Home with pets or smokers	Every 2 to 3 months	Every 2 to 3 weeks	Fur and smoke residue clog filters fast
Near an open window or workshop	Every 6 to 8 weeks	Weekly	Outdoor dust and debris accelerate buildup
Low-power office PC, light use	Once a year	Every 4 months	Lower TDP parts are more tolerant of dust

If your dust filters visibly gray over within a few weeks, don’t wait for a calendar reminder. A blocked intake filter alone can add 3 to 5°C to CPU and GPU load temperatures even before dust reaches the internal fans and heatsinks, so catching it early at the filter stage saves you from a bigger job later.

Step-by-Step: Powering Down and Staging Your Workspace

Step 1: Shut down completely and unplug from the wall. Don’t just put the PC to sleep. Hold the power button until it’s fully off, then physically unplug the power cable. Modern PSUs keep a small standby voltage on the motherboard even when the system is “off,” and you want that gone before you touch anything internal.

Step 2: Move to a well-ventilated, hard-surfaced area. Carpet generates static and traps blown-out dust right back into the air you’re breathing. A garage, patio, or tiled kitchen works better than a bedroom. Lay down an old towel or cardboard to catch screws and dust, and keep a phone handy to sns of cable routing before you unplug anything, which saves real time during reassembly

Step-by-Step: Filters, Fans, and Case Intakes

Cleaning Dust Filters (Steps 3-4)

Step 3: Remove and inspect every dust filter. Most gaming cases have magnetic or slide-out filters on the front intake, bottom PSU intake, and sometimes the top exhaust. Pull each one and hold it up to a light. If you can’t see light through the mesh clearly, it’s overdue.

Step 4: Wash or vacuum the filters separately from the PC. Fine-mesh filters can usually be rinsed under a faucet and air-dried completely before reinstalling; coarse foam filters respond well to a quick pass with a handheld vacuum or a few bursts of compressed air held a few inches away. Never reinstall a damp filter, since trapped moisture near a PSU intake is a real risk.

Cleaning Case Fans Safely (Steps 5-6)

Step 5: Hold each fan blade still while blowing it out. This is the single most important safety habit in this entire tutorial. Spinning a fan far beyond its rated RPM with a blast of compressed air or an electric duster can damage the bearings, and in some fan designs it generates a small reverse voltage (back-EMF) that can feed backward into the motherboard header. Pin the blades with a finger, a wooden skewer, or a plastic zip tie while you clean.

Step 6: Brush caked dust before blasting it with air. A soft brush loosens the thick gray felt that builds up on fan blade edges and hubs, which compressed air alone often can’t dislodge. Once it’s loosened, a short burst clears the rest. Keep the nozzle at least a few inches from the blades and use short bursts rather than one long continuous blast, which limits both moisture risk from canned air and unnecessary stress on the fan.

Step-by-Step: CPU Cooler and Heatsink Cleaning

Step 7: Clean the CPU cooler fins from the exhaust side inward. Whether you’re running an air tower or an all-in-one liquid cooler, dust tends to pack into the leading edge of the fin stack facing the intake fan. Hold the fan still (or remove it if your cooler allows quick fan removal) and blow air through the fins from the back toward the front, pushing debris out the way it came in rather than deeper into the stack. A small brush works well for AIO radiator fins, which are often finer and more prone to bending than tower-cooler fins.

If your case has been unopened for more than a year, expect to see a visible gray mat across the front third of the fin stack. That’s exactly the kind of blockage responsible for the 5 to 10°C temperature increases reviewers measure in restricted-airflow testing, and it’s often the fastest single fix in this whole process.

Step-by-Step: GPU, Backplate, and Shroud Cleaning

Step 8: Remove the GPU if you’re doing a deep clean, or clean it in place for routine maintenance. For a routine pass, you can dust the card while it’s still seated: hold each fan still, brush the shroud and fin stack, and blow dust out through the exhaust vents. For a deeper clean, unclip the PCIe retention latch, remove the case bracket screws, and gently pull the card straight out of the slot to access the underside and backplate.

Step 9: Clean the backplate and shroud with a duster and a lightly damp microfiber cloth. Use low-pressure air on the fin stack and a dry or barely damp cloth on the backplate and shroud plastic. Avoid strong solvents on painted or coated surfaces, and never let liquid pool near the PCIe connector or fan cable headers. If you removed the card, this is also the moment to check whether your GPU is due for a full thermal pad and paste refresh, which typically applies after two to three years of heavy use rather than every routine cleaning cycle.

Step-by-Step: Reapplying Thermal Paste the Right Way

Step 10: Reapply thermal paste only if you’re already removing the cooler, or if temps have crept up over time. Thermal paste isn’t part of a routine dust clean unless you’re already pulling the cooler off for another reason, or your idle and load temperatures have risen 8 to 10°C or more since the last time you checked, which usually signals the paste has dried out or pumped out from the die.

To remove old paste, apply a small amount of 91% or higher isopropyl alcohol to a lint-free cloth and wipe the IHS and cooler contact plate until no residue remains. Let it fully evaporate, which takes seconds with 99% IPA, before applying fresh paste. A pea-sized dot in the center of the IHS is enough for most modern CPUs; Gamers Nexus’s own testing found that as long as the paste covers the die adequately, dot, line, and spread patterns all perform within a fraction of a degree of each other.

Thermal Paste	Size / Price	Thermal Conductivity	Best For
Arctic MX-6	4g, ~$6-$8	~4.7 W/mK (rated)	Budget builds, routine reapplication
Noctua NT-H2	3.5g, ~$15	~3.3 W/mK (rated)	Long-term stability, “set and forget” builds
Thermal Grizzly Kryonaut Extreme	2g, ~$17-$18	Premium high-conductivity formula	Overclocking, high-TDP CPUs and GPUs

Independent testing across Ryzen and Intel desktop chips has found all three of these pastes perform within roughly 1°C of each other under sustained load, according to a 2026 comparison from Beebom. In practice, application quality and a clean contact surface matter more than which specific paste you buy. For a deeper walkthrough of surface prep and spread technique, see our dedicated thermal paste application guide.

Step-by-Step: PSU, Cables, and Rear I/O Cleanup

Step 11: Dust the PSU intake and rear I/O without opening the power supply itself. Never open a PSU casing. Capacitors inside can hold a dangerous charge even after the unit is unplugged. Instead, remove the PSU’s intake dust filter if your case has one, and use short bursts of air across the exposed fan grille and rear exhaust to clear buildup. While you’re back there, dust the motherboard’s rear I/O shield and any cable bundles, since dust mats along cable runs and gradually restricts airflow along the bottom of the case just as much as a clogged filter does.

Step-by-Step: Reassembly and Temperature Verification

Step 12: Reassemble, boot up, and confirm the cleaning actually worked. Reinstall dry filters, reseat the GPU and any cables you removed using your reference photos, and close the case. Boot into Windows and run a short stress test or a demanding game for 10 to 15 minutes while watching temperatures. The easiest way to make this concrete is to log a before-and-after comparison instead of relying on memory.

If you have the NVIDIA driver package installed, you already have access to nvidia-smi from a command prompt. Run this before you open the case, then again after reassembly:

nvidia-smi --query-gpu=name,temperature.gpu,clocks.gr,power.draw --format=csv

A typical “before” reading on a dusty card under light desktop load might look like this:

name, temperature.gpu, clocks.gr [MHz], power.draw [W]
NVIDIA GeForce RTX 5080, 58, 1830, 62.4

After a proper dust removal and fin cleaning, the same idle reading on the same card commonly drops several degrees, with the biggest gap showing up under sustained load rather than at idle, since that’s when the boost algorithm is most sensitive to thermal headroom. For CPU temperatures, Windows users without a dedicated sensor app can pull a quick reading using the built-in performance counters:

typeperf "Thermal Zone Information(*)Temperature" -sc 1

Not every motherboard exposes a usable thermal zone through this counter, so if it returns no data, HWiNFO64’s free sensor panel is the more reliable fallback for logging CPU package temperature before and after the clean.

Cleaning Peripherals, Monitors, and Gaming Handhelds

Keyboard, Mouse, and Monitor

Mechanical keyboards trap crumbs and skin oil between keycaps, and a monthly duster pass plus an occasional keycap pull for deeper cleaning keeps switches from getting sticky. Never spray liquid directly onto a keyboard; dampen a cloth instead. For monitors, use a microfiber cloth with a small amount of distilled water or a dedicated screen cleaner, since ammonia-based glass cleaners can degrade anti-glare coatings over time, a point HP’s own maintenance guidance calls out specifically for coated displays.

Steam Deck, ROG Ally, and Gaming Laptops

Handhelds and laptops pack the same dust problem into a much smaller chassis, which means less margin for error. Both categories rely on tiny fan blades and dense fin stacks that clog faster relative to their size than a full desktop tower. For a handheld, use short, low-pressure bursts through the exhaust vents while holding the fan still if you can see it through the grille, and avoid disassembling the shell unless you’re comfortable working with the specific model’s screws and clips. For a laptop, the bottom intake mesh is usually accessible without opening the chassis and should be checked every one to two months if you game on it regularly. If you’re also managing a Steam Deck’s internal storage alongside its thermals, our NVMe SSD installation guide covers the same careful, static-safe handling this cleaning process depends on.

Automating Your PC Maintenance Schedule

The easiest way to actually stick to a 3-to-6-month cleaning cadence is to stop relying on memory. A scheduled reminder plus a simple temperature log turns “I should probably clean my PC” into a concrete, trackable habit. Windows Task Scheduler can create a recurring reminder with one command:

schtasks /create /tn "PC Dust Cleaning Reminder" /tr "msg * Time to clean your gaming PC dust filters" /sc MONTHLY /mo 3 /st 09:00

Pair that with a small PowerShell script that appends a timestamped entry and your latest GPU temperature reading to a running log file, so you can see the actual effect of each cleaning session over a year instead of guessing:

$log = "$env:USERPROFILEDocumentspc-maintenance-log.csv"
$temp = (nvidia-smi --query-gpu=temperature.gpu --format=csv,noheader,nounits)
$entry = "$(Get-Date -Format 'yyyy-MM-dd'),GPU idle temp,$temp C"
Add-Content -Path $log -Value $entry
Write-Host "Logged: $entry"

Run that script right before you shut down for a cleaning session and again after your first boot post-cleaning. Over a few cycles, the CSV file becomes a simple, honest record of whether your cleaning routine is actually keeping temperatures in check, which is far more useful than trusting a hunch that “it feels quieter now.”

Common Pitfalls When Cleaning a Gaming PC

• Letting fans spin freely under compressed air. Unrestrained blade spin from a strong air blast can exceed the fan’s rated RPM and stress or damage the bearing, and in some designs generates a small reverse voltage back into the motherboard fan header. Always hold the blades still.
• Tilting a canned air duster during use. Canned air uses a liquefied propellant, and tilting the can lets that liquid spray out instead of gas, which can leave cold condensation and residue directly on components.
• Using low-percentage isopropyl alcohol on thermal paste contact surfaces. A 70% solution takes longer to evaporate and leaves more water behind than 91% or 99% IPA, increasing the risk of trapped moisture under a fresh coat of paste.
• Skipping ESD precautions entirely. Cleaning often means touching the motherboard, GPU PCB, or RAM directly. A quick touch of a grounded metal surface, or a proper anti-static wrist strap, takes seconds and prevents a static discharge that can silently degrade or kill a component.
• Reinstalling a damp filter or backplate. Trapped moisture near a PSU intake or motherboard tray is a real electrical risk. Let anything you’ve washed air-dry completely before it goes back in the case.
• Over-tightening cooler mounting screws after cleaning. Reseating a cooler is often part of a deep clean, and cranking mounting screws down as tight as possible can warp the CPU IHS contact or crack a motherboard PCB around the socket.
• Spraying liquid cleaner directly onto a monitor or keyboard. Dampen the cloth instead of the surface, since liquid can seep past the bezel or between keycaps and reach electronics underneath.

Troubleshooting Guide

Problem	Likely Cause	Fix
Temperatures didn’t improve after cleaning	Old thermal paste has dried out or pumped out	Remove the cooler, clean the IHS with 91%+ IPA, reapply fresh paste
PC won’t boot after reassembly	A cable came loose during cleaning, often the 24-pin or CPU power connector	Recheck every connector against your reference photos, reseat firmly
New rattling or grinding fan noise	A cable or dust clump is contacting the fan blades	Power down, inspect for obstructions, re-route cables away from the blade path
GPU shows artifacts after reapplying paste	Paste applied too thick or spread past the die edge onto surrounding components	Remove the cooler, clean thoroughly, reapply a smaller, centered amount
System won’t power on at all post-cleaning	Possible static discharge damage or a dislodged RAM/GPU module	Reseat RAM and GPU, check for bent pins, test with minimal components
Dust filter clogs again within days	Case airflow imbalance or a very high-dust environment	Check fan direction consistency and consider a finer pre-filter
Case fan spins slower or not at all after cleaning	Bearing damage from spinning the blade during dusting	Replace the fan; most case fans cost under $15
RGB lighting stopped working after cable cleanup	A daisy-chained ARGB or SATA power connector was disconnected	Trace the RGB chain back to the controller and reseat each connector
Fans louder than before cleaning	Fan curve reset to default in BIOS, or dust redistributed near a sensor	Reapply your custom fan curve profile in BIOS or software
Condensation visible inside the case after using canned air	Can was tilted, discharging liquid propellant instead of gas	Power down, let the system sit unplugged for several hours to fully dry before booting

Special Case: Maintaining an AIO or Custom Water Loop

Liquid cooling adds a maintenance layer that air coolers don’t have, and it’s one people tend to forget about because the pump and radiator are sealed away from the dust you can actually see. The radiator fins themselves need the exact same cleaning treatment as a CPU tower cooler: brush, then blow air through from the exhaust side to push debris back out the way it came in. Because AIO radiator fins are thinner and packed more densely than most tower coolers, use a lower air pressure setting if your duster has one, and lean on the brush more than the airflow to avoid bending the fins.

The bigger, less visible concern is pump longevity. Most closed-loop AIO coolers are rated for a five to seven year service life and aren’t designed to be refilled or opened by the end user; a failing pump usually announces itself with a rising idle temperature and a faint grinding or whining noise rather than the total silence that indicates a simple dust problem. If you clean the radiator thoroughly and temperatures still don’t improve, and the pump sounds different than it used to, that’s a sign to plan for a cooler replacement rather than another cleaning pass. Custom loops with a reservoir need separate, occasional coolant checks and are outside the scope of a routine dust cleaning, but the same fan and radiator dusting steps apply just as much to a custom loop’s radiators as they do to any sealed AIO.

Advanced Tips for Enthusiasts

Once you’ve got the basic routine down, a few habits push maintenance from “good enough” to genuinely low-effort. Positive case pressure, where intake fans move slightly more air than exhaust fans, reduces dust intake overall because air is pushed out through every seam and gap instead of pulled in through unfiltered ones. If your case supports it, adding a magnetic pre-filter to the top exhaust, which is usually unfiltered by default, catches dust before it settles on your motherboard’s VRM heatsinks.

If you’re already inside the case reapplying paste, this is also a reasonable moment to check GPU power cable seating, particularly for high-wattage RTX 50-series cards that draw significant sustained power, since a partially seated connector can cause the exact kind of instability that’s easy to misattribute to dust or heat. And if your temperatures remain higher than expected even after a thorough clean and fresh paste, our GPU and CPU stress testing guide walks through isolating whether the issue is thermal, a driver problem, or a hardware fault. For persistent driver-related graphical glitches that can look like a cleaning-related issue but aren’t, a clean driver reinstall using DDU rules that out before you start chasing hardware ghosts.

Finally, keep an eye on cost per use if you’re cleaning frequently. A single can of compressed air runs $6 to $10 and empties fast, while an electric duster like the XPOWER A-2 pays for itself within four or five cleaning sessions and never runs out mid-job, which matters if you’re maintaining more than one PC or a small collection of handhelds.

Frequently Asked Questions

How often should I clean my gaming PC?

Every 3 to 6 months for most home setups, with a monthly filter check in between. Homes with pets, smokers, or carpeted floors should lean toward the 2-to-3-month end of that range, and anyone running an open-window room or a home workshop nearby should check filters weekly since outdoor dust and debris build up far faster than typical indoor dust. The safest rule of thumb is to trust what you actually see rather than a fixed calendar date: if a filter looks gray within a few weeks of the last check, clean on that schedule going forward instead of waiting out an arbitrary three-month interval.

Can I use a vacuum cleaner to clean my PC?

Only for removable filters held away from the case, and only with the hose attachment rather than a bristle brush head. Never vacuum directly over an open case, since standard household vacuums can generate significant static electricity that risks damaging components.

Is canned air bad for my PC?

Used correctly, upright and in short bursts, canned air is fine for occasional cleaning. The risk comes from tilting the can, which can spray liquid propellant instead of gas, and from letting fans spin unrestrained under the pressure.

Do I need to reapply thermal paste every time I clean my PC?

No. Thermal paste only needs replacing every two to four years under normal use, or sooner if you’re already removing the cooler for another reason, or if your idle and load temperatures have crept up 8 to 10°C or more since your last check.

What percentage isopropyl alcohol should I use for cleaning thermal paste?

91% or higher is recommended, with 99% preferred when available because it evaporates faster and leaves less residue on the CPU or GPU contact surface.

Will cleaning my PC actually improve my FPS?

Indirectly, yes. Lower temperatures let your GPU sustain higher boost clocks for longer during demanding scenes instead of throttling, so a heavily dust-clogged system can see a real, if usually modest, frame rate improvement after a proper clean, on top of running quieter. The effect is largest in long, sustained gaming sessions where a card has time to build up heat and hit its thermal limit, and smallest in short bursts of gameplay where the GPU never gets hot enough to throttle in the first place. If your card was already running well within its thermal limits before cleaning, don’t expect a dramatic jump; the benefit shows up mostly in reduced fan noise and lower long-term wear rather than a headline frame rate number.

How do I clean dust out of a Steam Deck or ROG Ally without opening it?

Use short, low-pressure bursts of compressed air or an electric duster through the exhaust vents while the device is powered off. This clears loose surface dust effectively; a full internal clean of the fan and heatsink requires opening the shell, which most manufacturers treat as a warranty-affecting repair.

Is it safe to clean a PC that’s still under warranty?

External dusting of filters, fans, and vents is safe and doesn’t affect most manufacturer warranties. Opening a sealed cooler, removing a soldered battery, or breaking a warranty seal to access internals is where you should check your specific manufacturer’s policy first.

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