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HP Recommended
HP Envy x360 15.6 inch 2-in-1 Laptop PC 15-fh0000 (77W45AV)
Microsoft Windows 11

HP Envy x360 Won’t Turn On – Fan Error Message Before Shutdown

 

Hi everyone,

I’m having trouble with my HP Envy x360 and could use some guidance before spending money on repairs. Here’s what happened:

My laptop won’t turn on at all now.

When I plug in the charger, the indicator light turns solid white, then blinks slowly for about a minute, then turns solid orange (or red, not sure).

I removed the battery for two full days and tried every reset method I could find online, including:

Holding the power button for 30+ seconds.

Pressing Windows + B, Windows + V, F11, ESC repeatedly, etc.

Trying to power on with just the charger (no battery) – the light comes on solid white, but still nothing else happens.


I believe I heard a faint electrical hum, but no fan movement or screen activity.

I opened it up and found a small dust ball in one of the fans, which I removed.

Most importantly: Before this happened, I got a fan error message saying one of my fans wasn’t working properly. I bypassed it by pressing Enter because I had to submit college work ASAP. I had it on a 3-fan cooling stand at the time, so I figured it would be fine.

I walked away for a few minutes, came back, and it was completely off—and I haven't been able to turn it back on since.


My Concerns:

Could the laptop be in some kind of lockout mode due to the fan failure, preventing startup until the issue is fixed?

Is there a way to confirm if it's just the fans and not a bigger problem before I spend money replacing them?

Could the overheating have fried something important? I doubt it, but I want to be sure.

I’m a college student on a budget, so I want to avoid unnecessary spending or taking it to a repair shop if I can fix it myself.


I’d really appreciate any advice on what to check next. Thanks in advance!

2 REPLIES 2
HP Recommended

Hi @starry777,

 

Welcome to the HP Support Community! 

 

Thanks for reaching out about your query regarding error message on your laptop!  

We're thrilled to have the opportunity to assist you and provide a solution.

 

Your HP Envy x360 may not be turning on due to thermal protection shutdown caused by a fan failure. Here's a detailed troubleshooting guide to help you diagnose and possibly fix the issue without unnecessary spending.

 

Confirm Lockout Mode Due to Fan Failure

HP laptops have built-in protection that prevents booting if a fan is malfunctioning. If your laptop detected a fan failure before shutting down, it may be stuck in lockout mode.

Try a CMOS Reset (BIOS Reset)

  1. Unplug the charger and remove the battery.
  2. Hold the power button for 60 seconds.
  3. Remove the CMOS battery (if accessible) and leave it out for 10 minutes.
    • The CMOS battery is a small coin-sized battery on the motherboard.
  4. Reinstall the CMOS battery, reconnect the main battery, and try turning on the laptop.

 

 

Check the Fans & Overheating Damage

If your laptop detected a fan issue before shutdown, it might have overheated and triggered automatic shutdown protection.

Check for Physical Fan Issues

  1. Open the bottom panel and inspect the cooling fans.
  2. Spin the fans manually—they should rotate freely.
  3. Use compressed air to remove any hidden dust.

Test Boot Without the Fans

  1. Disconnect the fan cables from the motherboard.
  2. Try turning on the laptop.
    • If the laptop turns on but displays a fan error, this confirms the issue is with the fans.
    • If nothing happens, there might be deeper hardware damage.

 

Test the Power Circuit

Since your charger LED changes colors, your motherboard is receiving power, but the system may not be initializing.

Check for Short Circuits

  1. Plug in the charger and check if any components (especially near the charging port) heat up quickly.
  2. If there is a burning smell or hotspots, the motherboard might be damaged.

Test with a Different Charger

  • If possible, borrow a compatible HP charger to rule out adapter failure.

 

Check RAM & Internal Components

A bad RAM stick can also prevent startup.

  1. Remove the RAM sticks, clean the contacts, and reinsert them.
  2. Try booting with one RAM stick at a time.
  3. If you have dual RAM sticks, swap their slots.

 

 

Kuroi_Kenshi
I am an HP Employee

HP Recommended

External Display Test

If your laptop is powering on but not showing anything, it may be a display issue.

  1. Connect an external monitor via HDMI.
  2. Power on and check if the screen displays anything.

If the external screen works, your laptop screen may be faulty.

 

Last Resort – Thermal Fuse Check

Some HP laptops have a thermal fuse that permanently disables the laptop if it overheats.

  1. If you're comfortable with hardware repairs, use a multimeter to check motherboard continuity.
  2. If you find a blown fuse, it may need replacement by a professional.

 

If your laptop turns on after cleaning the fans or a CMOS reset, replace the faulty fan.
If the fans spin but the laptop still won’t turn on, there may be motherboard damage from overheating.
If you see no signs of life, even after resetting power and testing components, a deeper hardware failure might have occurred.

 

Let me know what happens at each step, and I can guide you further! 😊

 

I'm glad I could help! 😊 If this resolved your issue, please mark it as "Accepted Solution" and click "Yes" on "Was this reply helpful?"—your feedback not only keeps us going but also helps others find the solution faster! 👍

 

Take care and have an amazing day ahead! 🚀

 

Best regards,

Kuroi_Kenshi
I am an HP Employee

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.