How do I run diagnostics in Windows 10 BIOS?
Press the [ESC] key on the keyboard at boot time and the following screen will appear. Press the arrow keys on your keyboard, select [Enter Setup], and press Enter on your keyboard to enter UEFI BIOS. Click [System Diagnostics] and you can test component on that page.How Do I Run a Diagnostic Test on My Computer

  1. On Windows 11, go to Settings > System > Troubleshoot. On Windows 10, go to Settings > Update & Security > Troubleshoot.
  2. Windows 11 users have an extra step: Select Other troubleshooters.
  3. Choose a troubleshooter for your problem.

Windows 10 and 11 Hardware Diagnostic Tools. Windows 10 and 11 have two built-in PC hardware diagnostic tools. The first analyzes system performance on your computer, and the second runs memory tests on your Windows PC.

How to run diagnostics from command prompt : From the Advanced Startup options, select “Command Prompt” to open a command prompt window. Then, use specific commands like “sfc /scannow” to run the System File Checker or “bootrec /fixmbr” to repair the Master Boot Record.

How do I boot Windows 10 in diagnostic mode

To reboot in a diagnostic startup:

Press WINDOWS-R on the keyboard to bring up the Run window, enter MSCONFIG and click OK. Under the General tab, click "Diagnostic startup."

How do I troubleshoot Windows in BIOS : To start troubleshooting, you need to access the BIOS setup utility. Restart your Windows 10 PC and press the key that enters the BIOS setup, usually F2, F10, DEL, or ESC, depending on your PC manufacturer. This must be done right as the computer starts up and before the Windows logo appears.

To reboot in a diagnostic startup:

Press WINDOWS-R on the keyboard to bring up the Run window, enter MSCONFIG and click OK. Under the General tab, click "Diagnostic startup."

View the Health report for your device in Windows Security

  1. In the search box on the taskbar, type Windows Security, and then select it from the results.
  2. Select Device performance & health to view the Health report.

How to start Windows 10 in diagnostic mode

Press WINDOWS-R on the keyboard to bring up the Run window, enter MSCONFIG and click OK. Under the General tab, click "Diagnostic startup."Select Start > Settings > Update & Security > Troubleshoot > Additional troubleshooters, or select the Find troubleshooters shortcut at the end of this topic, and then select Additional troubleshooters. Select the type of troubleshooting you want to do, then select Run the troubleshooter.In Windows 10, go to Start , then select Settings > Privacy > Diagnostics & feedback. In Windows 11, go to Start , then select Settings > Privacy & security > Diagnostics & feedback.

To re-enable the Diagnostic command prompt (Shift F10 during Windows setup in an upgrade scenario) you need to modify your task sequence to set a variable, and that variable is called OSDSetupAdditionalUpgradeOptions which is described here.

How do I open troubleshoot in Windows 10 from BIOS : The exact point that Windows starts is not easy to find, so when the machine starts booting, start hitting the F8 key. Select Troubleshoot to get to the additional Windows 10 troubleshooting tools.

How to boot Windows 10 through BIOS : How to boot into UEFI or BIOS from Windows 11 or Windows 10

  1. Click Start and then select Settings.
  2. Click Update & Security.
  3. On the left side, click Recovery.
  4. Under Advanced start-up, click Restart Now.
  5. Click Troubleshoot.
  6. Click Advanced options.
  7. Select UEFI Firmware Settings.

How to diagnose BIOS problems

  1. The first step is to turn off the computer from its power source. Some PSU's may also require manually cycling its power switch to OFF and then back ON.
  2. With the next computer start up, enter BIOS setup.
  3. If computer continues to freeze, then the option of last resort is to reset the BIOS to its Default setting.

  1. Method 1: Startup repair tool.
  2. Method 2: Repair boot codes.
  3. Method 3: Fix BCD errors.
  4. Method 4: Replace Bootmgr.
  5. Method 5: Restore system hive.
  6. Scenario 1: Try to start the computer in Safe mode or Last Known Good Configuration.
  7. Clean boot.

Run UEFI Diagnostics Manually (Web)

  1. Power the server to Standby power mode:
  2. Start a video or serial console redirection:
  3. Click Host Management → Diagnostics.
  4. On the Diagnostics page, select the mode and start the diagnostics:
  5. To finish the Diagnostics activities, select Disabled, and click Save.

How to enter diagnostic mode : Up and volume down. And while you're doing that you're going to go ahead and power it on. And then You're Gonna Keep On holding. These buttons until you see the Apple logo appear.