Figure 1: Windows 11 slow performance after 24H2 update – tested on Dell XPS.
Windows 11 Slow After 24H2 Update? Proven Fixes That Actually Work
in united state of America (US) and many other places many users experience Windows 11 slow performance after the 24H2 update, even on powerful laptops.
This issue affects both high-end laptops and older PCs and became widespread after the Windows 11 24H2 rollout.
On my personal Dell XPS, simple tasks like opening browser tabs caused heavy lag. Below are the exact fixes that restored full speed.
Why Windows 11 Slows Down After Updates
- Background indexing spikes CPU usage
- Driver incompatibility after 24H2
- Corrupted temporary cache files
This guide is based on real troubleshooting cases after Windows 11 24H2 rollout.
Who Is Most Affected by Windows 11 24H2 Lag?
- Dell XPS and HP laptops
- Systems using HDD instead of SSD
- Intel 8th–10th Gen CPUs
1. Restart Your PC
A full restart clears stuck update services and temporary cache.
2. Clear System & App Cache
Win + R → %temp%
Delete files
Repeat for C:\Windows\Temp
3. Check Task Manager
Open Task Manager and check CPU/Disk usage. Processes like SearchIndexer.exe often cause lag.
4. Update Essential Drivers
- Settings → Windows Update → Optional Updates
- Install Display & Chipset drivers
5. Run SFC & DISM
sfc /scannow
DISM /Online /Cleanup-Image /RestoreHealth
Found this guide helpful? Share with a friend struggling with a slow PC!
Written by: Quick Error Fixes Team
Verified Windows troubleshooting guides based on real-world testing (Dell XPS / Surface Pro).
FAQ – Windows 11 Lag Fix
Updates often trigger high background CPU usage for indexing and may conflict with old drivers. Clearing the cache or restarting usually fixes it.
Restart your PC, clear temporary files, update essential drivers, and run SFC /scannow to repair corrupted system files.
Yes, deleting files from the %temp% folder removes system clutter and improves responsiveness.
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