This operation is focused on investigate very high disk usage so the result stays precise instead of mixing unrelated tweaks.
Improve Windows Performance is written like a practical guide instead of a thin script page, so you can understand what the issue usually means, why the suggested actions exist, and how to back out safely if the result is not what you wanted.
Capture the noisiest processes and restart common offender services when disk usage stays pinned high.
PowerShell -NoProfile -ExecutionPolicy Bypass -EncodedCommand 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
# Maotaw High Disk Usage Triage
$ErrorActionPreference = 'SilentlyContinue'
Get-Process | Sort-Object -Property IOReadBytes -Descending | Select-Object -First 15 Name,Id,CPU,IOReadBytes,IOWriteBytes | Format-Table -AutoSize
Restart-Service WSearch -ErrorAction SilentlyContinue
Restart-Service SysMain -ErrorAction SilentlyContinue
Write-Host 'Top disk-heavy processes were listed. Search and SysMain were refreshed for testing.'Capture the noisiest processes and restart common offender services when disk usage stays pinned high.
High disk usage can be normal during updates or indexing, but constant 100% active time often means a noisy service, sync client, or struggling drive.
In plain language, investigate very high disk usage matters because indexing, updates, antivirus, or sync activity is hammering the disk. People usually start looking this up when storage is very full or very slow. High disk usage can be normal during updates or indexing, but constant 100% active time often means a noisy service, sync client, or struggling drive.
In practice, investigate very high disk usage matters because indexing, updates, antivirus, or sync activity is hammering the disk. High disk usage can be normal during updates or indexing, but constant 100% active time often means a noisy service, sync client, or struggling drive. A good next step is to review leave more free space on the system drive. Then decide whether you only needed the explanation or whether you want a practical action page too.
You normally review investigate very high disk usage when you want to understand what Windows is doing, what changes it can influence, and whether it is relevant before you touch settings blindly. Useful things to notice first: leave more free space on the system drive; pause sync and heavy scans during installs; watch startup apps on HDD systems; replace drives that show repeating health warnings.
PowerShell -NoProfile -ExecutionPolicy Bypass -EncodedCommand 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
# Maotaw Undo Pack
$ErrorActionPreference = 'SilentlyContinue'
# Undo performance-focused extras
try { powercfg /setactive SCHEME_BALANCED | Out-Null } catch {}
try { Set-Service SysMain -StartupType Automatic -ErrorAction SilentlyContinue } catch {}
try { Start-Service SysMain -ErrorAction SilentlyContinue } catch {}
try { reg add "HKCU\Control Panel\Desktop" /v MenuShowDelay /t REG_SZ /d 400 /f | Out-Null } catch {}
Write-Host 'Performance extras reverted toward a balanced baseline.'This page is designed to be reviewable before you run anything. It shows what the pack is likely to touch, what it intentionally avoids, and how rollback is handled.
Usually only after you confirm the symptom matches. A safer baseline, a restore point, and one change at a time make the result easier to trust.
Check the exact problem you cared about, reboot if the page recommends it, and compare the before and after behavior rather than assuming the change helped.
For most pages here, yes. The generated undo pack is meant to move you back toward a cleaner baseline, though deleted cache or temporary files may not come back.
No. These pages are meant to be high-signal starting points. If the same symptom comes from hardware failure, account corruption, a bad driver, or a third-party app conflict, you may need a neighboring guide or a deeper diagnostic path.