How to Run Diagnostics on Startup to Troubleshoot Your PC

Learn how to run diagnostics on startup by accessing BIOS or UEFI settings to identify hardware issues affecting your computer's performance.

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Running diagnostics on startup involves accessing the system's BIOS or UEFI settings. Restart your computer and press the designated key (often F2, F10, or Del), immediately during boot-up. Navigate to the diagnostics or tools section using the arrow keys, select the test you want to run, and follow on-screen instructions. This helps identify hardware or system issues that might affect performance.

FAQs & Answers

  1. What key do I press to access diagnostics on startup? Typically, you press F2, F10, or Del immediately after restarting your computer to enter BIOS or UEFI settings where diagnostics can be run.
  2. Can running diagnostics on startup fix my computer problems? Running diagnostics helps identify hardware or system issues but does not fix them automatically; it provides information to guide further troubleshooting.
  3. Is running diagnostics on startup safe for my computer? Yes, running built-in diagnostics through BIOS or UEFI is safe and designed to help detect hardware problems without harming your computer.

Watch More

For more tips on optimizing your computer's performance and troubleshooting common system issues, explore our guides on BIOS settings, UEFI navigation, and advanced hardware diagnostics.

  1. What Happens When You Press F1 on Startup? BIOS and UEFI Explained Learn how pressing F1 on startup opens BIOS/UEFI settings to configure hardware and troubleshoot your PC effectively.
  2. How to Access BIOS Setup Using the F12 Key on Your PC Learn how to enter the BIOS setup using the F12 key method during startup, plus alternative keys if F12 doesn't work.
  3. What Does Pressing F12 on Startup Do? | Boot Menu Explained Learn what pressing F12 on startup does, how it opens the boot menu, and helps with troubleshooting or installing operating systems.