Video summary

Thermal Paste & Putty Replacement ASUS TUF F15

Main summary

Key takeaways

Product Review

Key product being reviewed

A hands-on thermal maintenance/replacement procedure for an ASUS TUF F15 (user’s model: i5-12500 + RTX 3050 (4GB), 16GB DDR4), focusing on replacing dried thermal paste and thermal pads/putty to reduce overheating—especially extreme palm-rest heat.

Main problems observed (user experience / symptoms)

  • Fans ramp to near max speed in certain games after about 6 months of daily use.
  • High CPU temperatures:
    • ~95°C during testing
    • Can reach 98–100°C during stress testing
  • Palm rest becomes dangerously hot:
    • The creator claims it can physically burn/uncomfortably heat the hand
    • IR/thermal readout mentioned: ~51°C near the fan area, but still uncomfortable to touch
  • Dust/fan clogging:
    • Fans described as “completely clogged up pretty much,” despite heatsink/area looking “clean” to the creator

What the creator did (the “replacement” approach)

Disassembly and cleaning

  • Opened the laptop and removed the heat sink (8 screws), noting a tightening order printed on the heat sink.
  • Cleaned VRM, CPU, and GPU surfaces using IPA (rubbing alcohol).

Thermal material replacement

  • Thermal paste: Noctua NT-H1 (preferred over Arctic Silver).
  • Thermal putty for VRM/covered components: salvaged Xbox Series X/S / One thermal putty.

Key philosophy (as argued by the creator)

  • Don’t use thermal paste on VRM gaps where putty is expected.
  • Use putty to ensure a better physical seal and prevent drying/hot spots/air pockets.
  • Mentions cleaning off excess squeeze-out after reassembly.

Results after reapplication (performance & thermals)

After reinstalling, they ran stress testing for ~1 hour:

  • CPU: still ~95°C (described as “normal” for laptops)
  • GPU: around ~88°C on max load
  • Palm rest: felt cooler initially, but later they stated:
    • No real difference so far (possibly ~50°C, even warmer according to a quick comment)
  • Expectation: gaming might show better improvement because load isn’t constant like stress tests—though the creator stops without confirming real gaming improvement.

Pros mentioned

  • Better thermal seal between chips and heat sink.
  • Prevents paste from drying and forming air pockets/hot spots.
  • Cleanup + reassembly restored/improved their perception of contact (“definite connection”).
  • The thermal putty approach is presented as more reliable than paste for VRM thermal interfaces.

Cons / downsides (based on outcome & risks)

  • The palm-rest heat issue did not clearly improve (mixed/uncertain results).
  • CPU temperatures did not drop (still ~95°C, sometimes 98–100°C before workload transitions).
  • Disassembly risks:
    • Some screws are different lengths; mixing them can bulge/damage the case
    • Battery should be disconnected before work (strong warning)
    • Avoid pulling heat pipes aggressively (they bend easily)
    • Avoid overtightening screws (risk of crushing casing/plastics)
  • Creator’s diagnosis: the original paste/thermal interface was “totally dry” and had poor contact on MOSFET/VRM area.

Comparisons made

  • Claims similar thermal/cooling deficiencies exist across many ASUS TUF gaming laptops, including both high-end and low-end models.
  • Thermal putty alternatives discussed/attempted:
    • Claims they tried K5 Pro, Thermal Grizzly, and others
    • Believes Xbox-grade putty provided a better seal without expensive alternatives
  • Thermal paste comparison:
    • Prefers Noctua NT-H1, saying it’s better than Arctic Silver “these days.”

Unique points mentioned (from subtitles)

  1. ASUS TUF F15 purchased ~6 months prior; used daily.
  2. Fans kick in at near max speed during certain games.
  3. Suspected thermal paste/pads drying out.
  4. Temp checks: ~95°C CPU, up to 98°C before GPU bottlenecks; CPU stress test up to ~100°C.
  5. Main complaint: palm rest gets hot enough to burn/physically hurt.
  6. IR/thermal readout: ~51°C near fan area (not very accurate but warm).
  7. General claim: coolant system lacking/insufficient; issue seen across many gaming laptops.
  8. Specs mentioned: i5-12500, RTX 3050 4GB, 16GB DDR4; planning to upgrade to 32GB.
  9. Fans described as clogged despite sink appearing “clean.”
  10. Heatsink/heat pipe setup described as “adequate,” but CPU side gets very hot.
  11. Heat sink seal was poor; thermal paste on components was dry and not smearing well.
  12. MOSFET/VRM contact suspected as a weak contributor to heat.
  13. Cleaning: entire VRM, CPU, GPU; IPA for grease removal.
  14. Thermal putty replacement choice: Xbox Series X/S / One thermal putty (salvaged).
  15. Thermal paste choice: Noctua NT-H1.
  16. Application philosophy: not excessive—aims for physical connection + air seal to keep paste “wet.”
  17. Covered chips must be fully seated/covered under thermal material.
  18. Scrape off squeeze-out after mounting.
  19. Argument: don’t just use thermal paste on VRM; use proper putty to guarantee seal.
  20. Screw detail: outer ones are smaller; incorrect placement can destroy case / bulge plastic.
  21. Battery disconnection warning: disconnect battery whenever working on board to avoid shorts (e.g., 19V on a data line killing CPU/chipset).
  22. Heatsink removal tip: don’t pull heat pipes directly; lift from under after loosening paste contact area.
  23. After reassembly: stress test ~1 hour; CPU still ~95°C.
  24. Palm rest initially felt cooler, but later said no real difference and possibly slightly worse/around ~50°C.
  25. Hoped gaming would improve due to variable loads.
  26. Video ends without confirming final gaming outcome.

Different speaker/views

  • Single main speaker/creator throughout the subtitles (no clear separate speakers or multiple perspectives).

Concise verdict / recommendation

The creator’s repaste/re-thermal-putty approach (Noctua NT-H1 + Xbox thermal putty for VRM) is presented as technically sound for restoring thermal sealing and improving contact. However, their measured results show little to no improvement, with CPU temps staying around ~95°C and the palm-rest heat issue not clearly resolving (mixed/uncertain after ~1 hour).

Recommendation (based on the video content): Worth doing if the original paste/putty is truly dried, but don’t expect dramatic palm-rest temperature drops from this alone on the ASUS TUF F15—other design/thermal-path factors may be limiting.

Original video