The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →A game closing by itself, Windows showing a blue screen, a frozen PC, and a sudden shutdown are different symptoms—not proof of one failed part. Start by identifying exactly what happens, then follow the evidence: a stop code can involve hardware, a driver, or software, while a game-only crash may be limited to that game or its software environment.
First, identify what “crashing” means
Write down the affected game, what you were doing, when the failure occurred, and whether Windows recovered. If there is an error message, record it exactly. For a blue screen, note the stop code and any “What failed” module name. Microsoft explains that a Windows stop error may be caused by a hardware device, its driver, or software; the displayed code and module are clues, not a diagnosis.
- Only the game closes: Windows remains usable. This does not, by itself, establish that the PC has a hardware fault.
- The display blanks, Windows freezes, or the PC restarts: Treat this as a system-level problem and look for a stop code or matching system error.
- The PC powers off: Note whether it happens under heavy load or after a period of use. Heat or power delivery may be worth investigating, but neither can be diagnosed from this symptom alone.
Microsoft’s blue-screen troubleshooting guidance and unexpected restart and stop-code guidance cover Windows 10 and Windows 11.
Check for a recent change before changing hardware
Think back to when the problem began. A newly installed game or app, Windows update, driver, or peripheral can help narrow the cause. If the timing matches a change, investigate that change first instead of replacing components at random.
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- Disconnect recently added hardware as a test. If the issue stops, reconnect devices one at a time to see whether the symptom returns.
- Check Device Manager. Look for devices with an error indication and consult the device maker’s support instructions for the affected hardware.
- Check available disk space. Microsoft recommends keeping 10% to 15% of the drive free for swap files and other functions; the exact need depends on system configuration. This is general Windows guidance, not a gaming-crash threshold.
- Install applicable Windows updates. If the problem followed a particular update, use Microsoft’s recovery guidance to assess whether uninstalling that update is appropriate.
If Windows will not stay stable long enough to investigate, Safe Mode can help determine whether the issue also occurs with a reduced set of drivers and services. Microsoft recommends using basic checks first and considering System Restore if simpler steps do not resolve a stop-code problem. Back up important files before recovery actions: some options can cause data loss. See Microsoft’s Windows recovery options for version-dependent choices.
Use Windows error evidence to narrow the cause
Look for events at the time of the failure
Open Event Viewer and check for critical or system errors with timestamps matching the blue screen, freeze, or restart. A matching event can provide a useful lead; it does not necessarily identify a failed part on its own.
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Investigate memory if the symptoms point that way
Windows Memory Diagnostic is a supported next step when checking for memory problems. A clean or inconclusive result does not prove every memory module or other component is healthy. If instability began after memory tuning or overclocking, return to manufacturer-supported default settings as an isolation step before concluding that hardware is defective.
Take recurring stop codes seriously, but do not overread them
Use the exact stop code and any named module when consulting Microsoft or the relevant device maker. For example, Microsoft identifies WHEA_UNCORRECTABLE_ERROR as a hardware error, but the code alone does not say which component is responsible. Avoid repeatedly changing BIOS settings or downloading drivers from unofficial sites.
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Consider heat and power when the pattern supports it
Check for signs of overheating
For self-built systems using Intel boxed processors, Intel lists short-time shutdowns, reduced operating frequency, throttling, general slowness, and excessive fan noise among possible overheating symptoms. Those signs are reasons to investigate cooling; they are not a universal temperature cutoff for every CPU, GPU, or prebuilt PC. Intel’s overheating guidance was last reviewed in 2025.
Check whether the power supply suits the whole build
Intel’s guidance for systems with Intel boxed processors recommends checking whether the PSU is sufficient for the complete platform under heavy load. AMD also lists an insufficient or faulty PSU among possible causes of crashes, hangs, and random reboots. Neither source establishes one suitable wattage for an unspecified gaming PC, and a restart under load alone does not prove the PSU is defective. Compare the supply against the requirements for the actual CPU, GPU, and other components using their manufacturers’ guidance.
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Check memory and settings before buying parts
Unstable overclocking, overheating, memory issues, and power problems are among the possibilities covered in AMD’s system stability guidance. Treat these as avenues to test, not a ranked list of the most common causes.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Isolate components only when basic checks are not enough
For a specific Intel Arc A770 gaming-reboot case, Intel recommends checking the driver, PSU requirements, temperatures, essential components, and GPU and RAM seating. The guide also describes gentle dust removal and comparing with known-good components where possible. This is an advanced isolation path for that context, not a universal first step for every gaming PC.
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Follow the PC or component manufacturer’s instructions and consider your skill level and warranty before opening a system. Do not open a prebuilt PC if doing so could create a safety or warranty issue; ask its manufacturer or a qualified technician. Intel’s Arc A770 reboot guidance discusses these checks. Cleaning may remove dust, but it is not evidence that dust caused the crash or a guaranteed fix.
When to get professional help
Contact the PC or component manufacturer, or seek qualified diagnostics, if the same stop code keeps returning, Event Viewer shows hardware-error events, the PC repeatedly powers off under load, or basic software checks have not helped. Bring your notes about the symptom, timing, recent changes, stop code, and matching events. That evidence is more useful than guessing at a replacement GPU, PSU, RAM kit, or motherboard.
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