RAM Running Slower Than Rated — Enable XMP

Last updated: January 15, 2026

RAM running slower than rated? Check its current speed, enable XMP, DOCP or EXPO in BIOS, and fix instability or mixed RAM kits.

Not sure this is your exact issue? Every WindowsHelper guide is scoped to one specific problem — not a generic troubleshooting checklist — so if the title above matches what you're seeing, this is the right guide.

What this helps with

What to expect: Easy difficulty • usually about 10 min.

This is one of 61 Hardware Diagnostics & Repair fixes in the WindowsHelper library. The full step-by-step fix for this is in the WindowsHelper app.

Coming soon in the app

The full step-by-step fix for this is in the WindowsHelper phone app — coming soon, no price announced yet. The free PC Companion (available now) is the piece that connects your phone to your PC.

🔔 Get notified at launch
Share: Share on X Share on Facebook Share by email

Related fixes in Hardware Diagnostics & Repair

You might also run into

Browse all 1,000+ fixes →