System stuck in loop into UEFI/BIOS

What is UEFI-BOOT-LOOP?

The UEFI-BOOT-LOOP error is categorized as a critical-severity firmware issue that can significantly impact your PC's stability. Every time the PC is started, the system automatically redirects to the BIOS instead of Windows. When experiencing the System stuck in loop into UEFI/BIOS fault, users often report sudden system crashes, unresponsive behavior, or a blue screen of death (BSOD). In most diagnostic scenarios, this problem is directly triggered by underlying hardware or software complications such as corrupted windows boot manager, change sata mode (ahci/raid) and corrupted system disk. To permanently resolve the UEFI-BOOT-LOOP issue and prevent further system degradation, it is highly recommended to follow our step-by-step troubleshooting guide below, ensuring your firmware components are functioning correctly.

Common Causes

• Corrupted Windows Boot Manager
• Change SATA mode (AHCI/RAID)
• Corrupted system disk

Step-by-Step Fix Guide

• 1
  Check the boot order

  Applying the first fix (Check the boot order) addresses the most common root cause of UEFI-BOOT-LOOP and restores baseline functionality.

• 2
  Turn on CSM (Compatibility Support Module) if you have an old MBR disk

  If the problem persists, proceeding with the remaining steps ensures all edge cases related to sw-bios instability are covered.

• 3
  Repair the boot sector with the bcdboot command

Commands & Diagnostics