Windows 11 laptop having trouble to turn on and then shutting off randomly, need urgent fix

Troubleshooting Windows 11 Laptop Failing to Boot and Shutting Down Unexpectedly: A Case Study with Dell Precision 5530

Experiencing persistent boot issues and random shutdowns can be a daunting challenge, especially when critical work files are at stake. If you’re using a Dell Precision 5530 running Windows 11 and facing similar symptoms, this article aims to guide you through systematic troubleshooting steps to identify and resolve the problem efficiently.

Background and Symptoms

The user has observed the following issues over recent months:

Performance Degradation: Since installing CAD software (such as CATIA) approximately six months ago, the system exhibited performance problems, including unsuccessful Windows and BIOS updates.
Initial Boot Difficulties: Several weeks ago, the laptop faced repeated failures to power on, requiring multiple attempts before successful startup.
Random Shutdowns: After booting, the device would shut down abruptly within 30 minutes to two hours.
Escalating Failure: Recently, the device no longer powers on, showing black screens with error codes such as 0xc0000001 or INACCESSIBLE_BOOT_DEVICE, often accompanied by a sad face blue screen.
Attempted Repairs: Running hardware diagnostics returned no issues, and attempts to repair Windows 11 via external USB media failed.

Given the critical nature of the stored CAD archives and the urgency to recover them, this article offers comprehensive troubleshooting guidance.

Step-by-Step Troubleshooting and Recovery Strategies

1. Ensure Hardware Integrity

While your diagnostics reported no hardware faults, it’s prudent to double-check physical components:

Inspect Power Supply: Verify that your charger is functioning correctly and providing stable power.
Check for Physical Damage: Look for signs of damage or loose connections, especially around the battery and RAM modules.
Reseat External Components: Disconnect any peripherals, and if comfortable, reseat RAM modules and SSDs to rule out loose connections.

2. Attempt to Access Safe Mode

Before proceeding to complex repair options, try booting into Safe Mode:

Power on the laptop and interrupt the startup process three times to trigger Automatic Repair.
From the recovery screen, select Advanced options > Troubleshoot > Startup Settings > Restart.
Press F4 to start in Safe Mode.

If successful, you can: