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HP Envy Desktop PC shuts off issue fixed

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The exact model of the PC is HP Envy TPC-F123-MT.

This Pc comes with an issue that the Windows was not loading and the owner tried to make repair of the Windows, but the PC proceed to shut down randomly during this procedure and cannot make the repair.HP Envy shuts off randomlyThe Issue: Unexplained Shutdowns

The problem with this particular PC was intriguing. The computer would power on but shut off unexpectedly, especially during attempts to reinstall Windows 10. Initially, it seemed like a software issue, but after further investigation, the real culprit was found—damaged capacitors on the motherboard.

Step 1: Initial Diagnostics

  1. Check for Dust and Clean Components
    • Opened the PC case and found a significant amount of dust buildup.
    • Cleaned all RAM and CPU contacts to ensure proper connectivity.
  2. Testing Alternative Solutions
    • Replaced the existing SSD with a SATA hard drive, but the issue persisted.
    • Attempted to reinstall Windows 10, but the PC continued shutting off mid-installation.

Step 2: Identifying the Hardware Issue

After further troubleshooting, the issue was traced to the power supply unit (PSU). A closer look revealed that the output capacitors were visibly damaged. Faulty capacitors can cause power instability, leading to system crashes and shutdowns.

Step 3: Replacing the Faulty Capacitors

  1. Located the defective capacitors on the motherboard.
  2. Removed the old capacitors (220 microfarad, 16V) and replaced them with new 220 microfarad, 25V capacitors.
    • Higher voltage capacitors help with heat dissipation and overall stability.
  3. Assembled the PC back together and powered it on.

Step 4: Final Testing

  • Reinserted the SSD drive and attempted a fresh installation of Windows 10.
  • The PC remained stable throughout the process, confirming the issue was resolved.
  • Additional testing with a dedicated graphics card also showed no further power instability.

This issue is widespread, as seen in various tech forums and Reddit discussions. If you’re experiencing similar problems, hopefully, this guide helps you troubleshoot and repair your PC effectively.

Thanks for reading! If you found this helpful, share your experience in the comments below!