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13 resultsProblem with beep sound and no screen when booting
If the “boot beep sound” repeats, it is better to narrow it down to memory or graphics card recognition failure or motherboard POST diagnostic error rather than changing several settings at once. Distinguish between the POST stage and the Windows startup stage, then check in that order: external device, boot settings, and recovery environment.
Motherboard CPU, DRAM, VGA or BOOT debug LED stays lit
When solving problems where the motherboard CPU, DRAM, VGA, and BOOT LEDs keep turning on, it is important to rule out the causes one at a time. Based on the “CPU LED on” symptom, check whether the component initialization failed, power supply or installation is defective, and then proceed to the next step. Distinguish between the POST stage and the Windows startup stage, then check in that order: external device, boot settings, and recovery environment.
The computer turns on but does not boot into Windows.
Among boot problems, the “powers on but does not boot” symptom may be related to boot file corruption or storage device issues. Distinguish between the POST stage and the Windows startup stage, then check in that order: external device, boot settings, and recovery environment.
Computer freezes at manufacturer logo screen
If you are experiencing “Stuck at Logo” symptoms, possible causes include delayed initialization of a USB device or storage device, or POST issues. Distinguish between the POST stage and the Windows startup stage, then check in that order: external device, boot settings, and recovery environment.
No Bootable Device error appears
When troubleshooting a No Bootable Device error, it is important to rule out the causes one at a time. Based on the “no bootable device” symptom, check if the BIOS cannot find the system drive or UEFI/Legacy settings mismatch, then proceed to the next step. First check if the system drive is visible in the BIOS, then proceed with the boot sequence and Windows recovery.
Operating System Not Found error appears
If you see the “operating system not found” symptom, possible causes include boot area corruption, system drives not recognized, etc. First check if the system drive is visible in the BIOS, then proceed with the boot sequence and Windows recovery.
Automatic Repair screen keeps appearing
If you see the “Repeat Automatic Repair” symptom, possible causes include corrupted system files or BCD, or failed updates. Perform Windows recovery and hardware diagnostics separately based on when the repeated reboots begin.
Stuck at Preparing Automatic Repair screen
If “preparing automatic repair stops” is repeated, it is better to narrow the scope to boot file corruption and storage device response delay rather than changing several settings at once. Perform Windows recovery and hardware diagnostics separately based on when the repeated reboots begin.
Continuous reboot after Windows logo
Among boot problems, the “Windows boot loop” symptom may be related to driver or update conflicts or corrupted system files. Perform Windows recovery and hardware diagnostics separately based on when the repeated reboots begin.
Only the cursor blinks on a black screen when booting.
When troubleshooting a black screen with only a blinking cursor when booting, it is important to rule out the causes one at a time. Based on the “black screen with blinking cursor” symptom, check for BIOS not finding the correct boot device, boot area, or drive issue before proceeding to the next step. First check if the system drive is visible in the BIOS, then proceed with the boot sequence and Windows recovery.
Computer takes too long to boot
If the current symptom is closer to “slow booting,” first check for excessive startup programs and poor storage device performance. First look for CPU, memory, and disk bottlenecks in Task Manager and check startup programs, storage space, and temperature.
Windows keeps booting in safe mode only
If the current symptom is closer to “safe mode only on”, first check whether msconfig safe boot settings are maintained and whether there are any drivers or services preventing normal booting. Distinguish between the POST stage and the Windows startup stage, then check in that order: external device, boot settings, and recovery environment.
Suddenly asking for BitLocker recovery key
If you see the “bitlocker recovery key” symptom, candidate causes include TPM, BIOS, secure boot status changes, firmware updates, etc. Distinguish between the POST stage and the Windows startup stage, then check in that order: external device, boot settings, and recovery environment.