🧠 Diagnose RAM & Memory Performance Issues
How to recognize memory-related slowdowns, check how much RAM your apps are using, and run built-in memory diagnostics on Windows and macOS.
✅ Before You Begin
Save and close your work, since checking memory and running diagnostics may require restarting the computer.
Note when the slowdowns happen — for example with many tabs open or one specific app — to help pinpoint the cause.
Make sure your operating system and apps are up to date, as updates often fix memory leaks and performance bugs.
Step 1 — Recognize memory-related symptoms
🕐 ~2 min
- Watch for heavy slowdowns when many apps or browser tabs are open at once.
- Note frequent freezing, beachballs, or "Not Responding" messages, especially as you open more programs.
- Look for warnings that your system is low on memory, or apps closing unexpectedly.
💡 Tip: If slowdowns only happen with one program, the issue is more likely that app than your computer's overall memory.
Step 2 — Check current memory usage
🕐 ~3 min
On Windows
- Press Ctrl + Shift + Esc to open Task Manager.
- Open the Performance tab and select Memory to see total and in-use RAM.
- On the Processes tab, sort by Memory to find the apps using the most.
On macOS
- Open Activity Monitor from Applications > Utilities.
- Click the Memory tab and review the Memory Pressure graph and per-app usage.
💡 Tip: On macOS, green Memory Pressure means memory is fine; yellow or red means you would benefit from closing apps or adding RAM.
Step 3 — Free up memory
🕐 ~3 min
- Close apps and browser tabs you are not actively using.
- Quit memory-heavy programs you identified, then reopen only what you need.
- Restart the computer to clear memory and stop background processes that may be leaking memory.
⚠ Warning: Save your work before quitting apps or restarting — closing a program does not always prompt you to save unsaved changes.
Step 4 — Run a memory diagnostic
🕐 ~10 min
- On Windows, open the Start menu, type Windows Memory Diagnostic, and choose Restart now and check for problems.
- Let the test run during restart; results appear after you sign back in.
- On macOS, restart and hold D to start Apple Diagnostics, which checks the memory automatically.
- If a test reports a memory fault, contact the NEO IT Department for a hardware evaluation.
⚠ Warning: Do not open the computer or replace memory yourself on a university-owned device — hardware repairs should be handled by NEO IT to protect your warranty and data.
🙋 Still Need Help?
If your computer is still slow or a memory diagnostic reports an error, the NEO IT Department can help.
📞 Phone: (918) 540-6099
📧 Email: neosuport@neo.edu
🚶 Walk-in: IT Department, Library Administration, 2nd Floor, Room 216
🕐 Hours: Monday – Friday, 8:00 AM – 5:00 PM