Brand New Helios 18 overheating to 105C, frequent BSODs after purchase. Is this normal?

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MarkoP
MarkoP Member Posts: 1 New User
edited August 1 in Predator Laptops

Hello, I have a brand new Helios 18 AI (Ultra 9 275HX, 5090) and CPU temperature has been at 105C since day one, whenever doing something gaming related. I've also gotten 5 BSODs in the last 5 days, which I think are related.

I am right to assume this temperature is not normal and I should return the laptop for repair? My old laptop was an ASUS Strix 18 (2023) and the CPU temperature never went above 95C.

Answers

  • Puraw
    Puraw ACE, Member Posts: 18,256 Trailblazer

    Hi MarkoP, For your Helios 18 PH18-73 (Ultra 9 275HX, RTX 5090), those 105°C CPU temps and BSODs are definitely abnormal. Here's what you should do to stabilize thermals and improve system reliability:

    🔧 Recommended Fixes

    1. Use the Balanced Power Plan in PredatorSense Avoid Extreme or Turbo modes unless absolutely necessary. Balanced mode helps regulate CPU boost and fan behavior more efficiently.
    2. Update BIOS to Version 1.09 (dated 2025/07/11) This version includes an EC fix that improves thermal and power regulation. You can find it on Acer’s official support page.
    3. Switch to “Best Power Efficiency” in Windows Power & Battery Settings This reduces background power draw and helps cooling, especially during idle or light tasks.
    4. Disable “Processor performance boost mode” in Advanced Power Settings Go to:
      • Control Panel > Power Options > Change Plan Settings > Advanced
      • Under Processor power management, set Processor performance boost mode to Disabled for both On battery and Plugged in (if this option is hidden you have to unhide it by changing the registry key Attributes Value from 1 to 2, see picture below).

    Disabling boost mode prevents aggressive turbo behavior that spikes temperatures unnecessarily. Combined with the EC fix, this should bring temps down significantly and reduce BSODs.

    Let us know how it goes!

    Turbo boost reg.jpg
  • Ugly
    Ugly Member Posts: 34 Die Hard WiFi Icon

    If you've only just purchased this laptop and you live in a country with half decent consumer protection send it back to the retailer for refund or replacement. I've seen a review of this new laptop and it seems Acer have made no effort to introduce underclocking or custom fan curves or a vapour chamber. Just relying on the same fans, liquid metal and heatsinks that were in the PH18-72