Fix “The System Failed to Boot Several Times Before” in Windows

Did you turn on your computer only to find the message “The system failed to boot several times before” on your screen? This error can be frustrating, especially when Windows refuses to start normally and you cannot access your desktop.

This message commonly appears on certain computers when the system detects repeated startup failures. It may occur after an unexpected shutdown, a failed Windows update, a BIOS configuration change, corrupted boot files, or a hardware problem. On some PCs, particularly those using ASUS motherboards, the message may appear in the firmware’s recovery process.

The message means your computer has detected that it failed to start successfully on multiple previous attempts. Depending on the manufacturer, it may direct you to BIOS settings, recovery options, or a screen that lets you restore previous settings.

Common causes include unstable BIOS settings, interrupted updates, incompatible hardware, faulty RAM, boot configuration problems, and an unreliable power supply.

In this guide, you’ll learn how to fix “The system failed to boot several times before” step by step. 

The System Failed to Boot Several Times Before

To fix this error, disconnect unnecessary peripherals, perform a complete power cycle, restore stable BIOS settings, and check whether Windows Recovery Environment can repair startup problems. If Windows still won’t boot, try Startup Repair, uninstall a recent update, or investigate RAM and storage issues. 

Back up important files before attempting advanced repairs.

Step 1: Disconnect Unnecessary External Devices

Start by checking whether a connected device is interfering with startup. Sometimes a USB drive, external hard drive, docking station, or other peripheral can affect the boot process.

Turn off your computer. Disconnect unnecessary USB devices, memory cards, external storage drives, printers, and other accessories. Keep your keyboard, mouse, monitor, and essential power connections attached.

If you’re using a desktop PC, make sure the monitor is connected properly. For a laptop, disconnect the docking station and other nonessential accessories.

Now turn on the computer and see whether the error appears again. If Windows starts normally, reconnect your devices one at a time to identify whether a particular accessory is causing the problem.

If the message remains, continue to the next step.

Step 2: Perform a Complete Power Cycle

A temporary hardware or firmware problem can sometimes prevent a computer from starting correctly. A complete power cycle can help clear certain temporary states.

Shut down the computer if possible. If it is stuck on the error screen and does not respond, press and hold the power button until it turns off.

For a desktop PC, switch off the power supply if it has a switch, then unplug the power cable. For a laptop, disconnect the charger. If the battery is removable, remove it only if the manufacturer permits it.

Leave the computer disconnected from power for about 30 seconds. Reconnect the power cable or charger, then turn the computer on.

Allow the system to complete its startup process without repeatedly pressing the power button.

If the error disappears, check whether Windows loads normally. If it returns, move on to the BIOS troubleshooting steps.

Step 3: Enter BIOS or UEFI Settings

If the message appears before Windows loads, the issue may involve your computer’s BIOS or UEFI firmware.

Restart your computer and watch the first screen carefully. Press the appropriate setup key when prompted. Common keys include F2, Delete, Esc, and F10, although the correct key depends on the manufacturer.

If your computer displays the error screen with an option to enter setup, use that option instead.

Once inside BIOS or UEFI, look for settings related to boot configuration, memory profiles, or recently changed hardware settings. The available menus vary between computer models.

If you recently changed BIOS settings, those changes may be responsible for the startup failure. Avoid changing unrelated options because incorrect firmware settings can prevent the computer from booting.

If you are unsure which setting caused the problem, consider restoring the default settings as described in the next step.

Step 4: Load the BIOS Default Settings

Incorrect firmware settings can cause repeated startup failures, particularly after changing memory speeds, overclocking options, or boot settings.

Inside BIOS or UEFI, look for an option such as Load Optimized Defaults, Load Setup Defaults, or Restore Defaults. The wording depends on your motherboard manufacturer.

Select the option and confirm the change if prompted. Then choose Save Changes and Exit, often available through the F10 key.

Your computer will restart with the default firmware configuration.

Keep in mind that restoring defaults can change settings such as the boot order, memory profile, or storage controller mode. If Windows was installed using a particular storage configuration, changing that configuration can prevent it from starting. If this happens, restore the original setting rather than repeatedly changing options at random.

If you use BitLocker or Windows Device Encryption, keep your recovery key available before making firmware changes because certain changes can trigger a recovery prompt.

Step 5: Check the Boot Order

Your computer needs to start from the correct drive. If BIOS tries to boot from an empty USB drive or the wrong storage device, Windows may fail to load.

Enter BIOS or UEFI and open the Boot section. Find the boot priority list.

If Windows is installed on an internal SSD, check whether Windows Boot Manager appears in the list. On a typical UEFI Windows installation, it should usually be the first boot option.

If the correct option is available but appears lower in the list, move it to the appropriate position. Save the changes and restart your PC.

If the Windows Boot Manager entry or internal drive is missing, do not assume that changing the boot order will fix it. The SSD may not be detected, the boot configuration may be damaged, or the firmware settings may have changed.

Check whether the drive appears in the firmware’s storage information. If it is missing, investigate the storage connection or seek professional assistance before attempting repairs.

Step 6: Run Windows Startup Repair

If your computer passes the initial firmware screen but Windows fails to start, use Windows Recovery Environment (WinRE) to diagnose startup problems.

If the recovery screen is already available, select Troubleshoot > Advanced options > Startup Repair.

If Windows does not open WinRE automatically, you may be able to reach it by interrupting startup several times. However, avoid repeatedly forcing shutdowns if the computer is installing an update or performing disk repairs. Another option is to boot from official Windows installation media and select Repair your computer instead of installing Windows.

Choose your Windows installation if prompted, and follow the instructions. Startup Repair checks for certain problems that prevent Windows from loading and attempts to fix them automatically.

The process may take several minutes. When it finishes, restart your computer and check whether Windows starts normally.

If Startup Repair cannot repair your PC, note any error message and continue with the next method.

Step 7: Uninstall a Recent Windows Update

A recently installed Windows update can occasionally cause startup problems because of a compatibility issue or an incomplete installation.

Open Windows Recovery Environment and navigate to Troubleshoot > Advanced options > Uninstall Updates.

You may see options to uninstall the latest quality update or the latest feature update. Start with the latest quality update if the problem began immediately after a routine update.

Follow the on-screen instructions and provide your account credentials if requested.

When the process finishes, restart your computer. If Windows loads successfully, pause before reinstalling the same update and check Microsoft’s guidance for any known issues.

This method will not fix every boot problem, and Windows may not offer the uninstall option for every update. If the option is unavailable, continue troubleshooting without forcing the removal.

Step 8: Check RAM and Other Hardware

Faulty memory, a failing SSD, loose connections, or unstable overclocking can cause repeated startup failures before Windows even begins loading.

If you recently installed RAM or another component, turn off the computer and disconnect it from power before inspecting the hardware. Only open the case if you are comfortable doing so and can follow the manufacturer’s safety instructions.

For a desktop, check whether recently installed components are seated correctly. Do not remove parts while the computer is connected to power.

If you suspect RAM problems, use the manufacturer’s memory diagnostics or Windows Memory Diagnostic if Windows can start. To access Windows Memory Diagnostic, press Windows + R, type mdsched.exe, and press Enter. Follow the instructions to schedule a memory test.

For storage problems, check the drive manufacturer’s diagnostic tools or your computer’s built-in hardware diagnostics.

If you hear unusual clicking from a hard drive, notice repeated disk errors, or suspect a failing SSD, prioritize recovering important files. Avoid repeatedly restarting a potentially failing drive.

Step 9: Repair Windows Boot Problems or Get Professional Help

If the previous methods fail, the Windows boot configuration may be damaged, or the computer may have a deeper hardware or firmware problem.

You can open Windows Recovery Environment > Troubleshoot > Advanced options to check which recovery tools are available. Depending on your situation, System Restore may let you return Windows to an earlier working state, provided a suitable restore point exists.

If you use Windows installation media, choose Repair your computer to access recovery tools. Do not select a clean installation unless you understand that it can remove applications and personal files.

Advanced boot commands and disk repairs should be used only after identifying the actual problem. Randomly rebuilding boot files or changing storage settings can make recovery more difficult.

If BIOS cannot detect your internal SSD, the computer repeatedly fails memory tests, or the error continues even after restoring appropriate firmware settings, contact the computer or motherboard manufacturer’s support team. A technician can help determine whether the issue involves the motherboard, RAM, storage drive, or power supply.

FAQs

1. What does “The system failed to boot several times before” mean?

It means the computer detected multiple unsuccessful startup attempts. The cause may involve firmware settings, Windows boot files, unstable memory settings, or a hardware problem.

2. Does this error mean my hard drive is damaged?

Not necessarily. A damaged drive is one possible cause, but the message can also appear because of incorrect BIOS settings, failed updates, or memory instability. Check whether BIOS detects your storage drive before assuming it has failed.

3. Will resetting BIOS settings delete my files?

Restoring BIOS defaults normally does not delete files stored on your SSD or hard drive. However, it can change settings that affect whether Windows boots. Certain firmware changes may also trigger BitLocker recovery, so keep your recovery key available.

4. Can Startup Repair fix this error?

Startup Repair can help if the problem involves Windows startup files or certain boot configuration issues. It generally cannot fix faulty RAM, a failed SSD, or every firmware-related problem.

5. What if the error appears every time I turn on my PC?

Check whether your internal drive is detected, restore appropriate BIOS settings, and run the available hardware diagnostics. If the problem continues, consult your manufacturer’s support team before attempting a clean Windows installation.

Summary

The “The system failed to boot several times before” message indicates that your computer has experienced repeated startup failures. It does not automatically mean Windows or your hardware is permanently damaged.

Start by disconnecting unnecessary devices and performing a complete power cycle. Then check your BIOS settings, restore defaults if appropriate, and verify the boot order.

If the computer reaches the Windows Recovery Environment, try Startup Repair or uninstall a recent update. If the problem persists, investigate RAM, storage, and other hardware components.

Most importantly, back up your important files whenever possible and avoid making random BIOS changes. 

If the computer cannot detect its internal drive or continues failing to boot, professional diagnosis may be the safest next step.