Replacing thermal paste on an HP Pavilion G6 laptop: step by step from disassembly to testing

Laptop HP Pavilion G6 is a popular model from the early 2010s that still serves many users. However, over the years, even the most reliable equipment begins to overheat, and the reason for this is dry thermal paste between the processor and the heatsink. If your laptop suddenly turns off, makes a lot of noise, or heats up to 90°C during simple tasks, it's time to upgrade.

In this article you will find detailed instructions for replacing thermal paste specifically for HP Pavilion G6 (series with processors Intel Core i3/i5/i7 2nd and 3rd generations or AMD A4/A6/A8). We will figure out which paste to choose, how to carefully disassemble a laptop, clean off the old lubricant and correctly apply a new one - without the risk of damaging the motherboard or cooling system. And you will also find out why on models with AMD A8-4500M thermal paste dries 2 times faster than on Intel, and how to avoid it.

Signs that it's time to change the thermal paste

Laptop HP Pavilion G6 It is not equipped with an advanced cooling system, so any problems with heat dissipation appear almost immediately. Here are the key symptoms that indicate the need to replace thermal paste:

• 🔥 Overheating up to 85–95°C in games or when rendering video (the norm for this model is up to 75°C under load).
• 💻 Spontaneous shutdowns after 10–30 minutes of operation, especially in resource-intensive applications.
• 🌀 Constant operation of the cooler at maximum speed, even when the laptop is idle.
• 🖥️ Artifacts on the screen (stripes, flickering) - a sign of overheating of the video card (relevant for models with AMD Radeon HD 7670M).
• ⏳ Slowdown due to throttling (the processor automatically reduces the frequency so as not to burn out).

If you observe at least 2-3 items from the list, you cannot postpone replacing the thermal paste. This is especially critical for laptops with processors AMD A-Series (For example, A8-4500M or A6-4400M), which initially heat up more Intel. The fact is that the thermal paste on these chips dries out faster due to the higher thermal load.

⚠️ Attention: If the laptop turns off immediately after turning it on (after 1-2 seconds), the problem may not be with the thermal paste, but with a malfunction of the north bridge or video card. In this case, diagnostics are required at a service center.

Which thermal paste to choose for HP Pavilion G6

The quality of the thermal paste determines how efficiently the processor and chipset will be cooled. For HP Pavilion G6 Both budget and premium options are suitable - the main thing is that they meet several criteria:

• 🌡️ Thermal conductivity not lower than 5 W/m K (optimally - 8–12 W/m K).
• ⏳ Durability (service life at least 3–5 years).
• 💧 Consistency - not too liquid (so that it does not spread) and not too thick (so that it is easy to apply).

The table below shows proven thermal paste options that have performed well on laptops. HP Pavilion G6:

Thermal paste model	Thermal conductivity (W/mK)	Service life	Price (per 1 g)	Features
Arctic MX-6	11	8 years	~300 ₽	Does not conduct electricity, does not dry out, suitable for beginners.
Noctua NT-H2	8,5	5–7 years	~400 ₽	Easy to apply, no break-in required, ideal for AMD.
Thermal Grizzly Kryonaut	12,5	3–4 years	~500 ₽	Better thermal conductivity, but requires replacement more often.
DeepCool Z9	11,2	5 years	~250 ₽	Budget analogue Kryonaut, suitable for moderate loads.

For most users HP Pavilion G6 the optimal choice would be Arctic MX-6 or Noctua NT-H2 - they provide a good balance between price, thermal conductivity and durability. If you are involved in rendering or games, you might consider Thermal Grizzly Kryonaut, but be prepared to change it every 3-4 years.

Preparing for replacement: tools and safety precautions

Before you start disassembling HP Pavilion G6, make sure you have everything you need. Here is a complete list of tools and materials:

• ⚒️ Screwdriver set (cross PH0 And PH1, flat for plastic latches).
• 🧴 Thermal paste (selected from the table above).
• 🧻 Lint-free wipes or paper towels.
• 🧴 Isopropyl alcohol (90% or higher) for cleaning.
• 🔍 Plastic spatula (for careful prying of the latches).
• 📦 Container for screws (so as not to lose small details).
• 💨 Can of compressed air (optional, for dust cleaning).

Also prepare your work area: the table should be clean, well lit and free of static electricity (it is better to work on a wooden or plastic surface rather than on metal). If you have long hair, tie it up; hair getting on the motherboard can cause a short circuit.

⚠️ Attention: Do not use acetone, thinner or vodka for cleaning - they may damage the plastic parts of the case or connectors. Isopropyl alcohol only!

Unplug the laptop and remove the battery|Take a photo of the location of the screws before unscrewing|Prepare an antistatic wrist strap or touch a grounded object|Check that the thermal paste is not expired (usually 2-3 years expiration date)-->

Step-by-step disassembly of HP Pavilion G6

Disassembly HP Pavilion G6 does not require professional skills, but there are several nuances that many people forget about. Follow the instructions carefully to avoid breaking the plastic latches or damaging the cables.

Step 1: Turn off the power and remove the battery.

Turn the laptop over and slide the battery latch to the Unlock, then remove the battery. This is mandatory - even a switched off laptop can supply residual voltage to the board!

Step 2: Remove the bottom cover.

Unscrew all the screws on the back panel (usually there are 10-12 of them, including those hidden under the rubber feet). Carefully pry the cover open with a plastic spatula, starting at the corner near the RAM. Be careful - the latches are fragile!

Step 3: Disconnect the cables and remove the cooling system.

First, disconnect the cooler cable (it is attached to the motherboard with a small connector). Then unscrew the 4 screws securing the radiator. They may be under the springs - don't lose them! Remove the radiator with slow rocking movements - the thermal paste may have “stick” to it.

Step 4: Clean the processor and heatsink.

Dampen a lint-free cloth with isopropyl alcohol and carefully remove old thermal paste from the processor cover and heatsink base. Do not rub too hard - the aluminum on the radiator is soft and can be scratched. If necessary, repeat the procedure 2-3 times.

What to do if the radiator cannot be removed?

If the heatsink is stuck to the processor, do not pull it by force! Place the laptop on its side and gently twist the radiator left and right, while lifting it slightly. If this doesn’t help, heat the area with a hairdryer (no higher than 60°C) - this will soften the thermal paste.

Applying new thermal paste and assembly

Now the most important step is applying thermal paste. The cooling efficiency depends on how correctly you do this. Here are the step-by-step instructions:

Step 1: Prepare the surface.

Make sure there are no traces of old paste or grease left on the processor and heatsink. Wipe them with a dry cloth and let dry for 1-2 minutes.

Step 2: Apply thermal paste.

For HP Pavilion G6 optimal method - cross or point (if the processor is small, like Intel Core i3-2310M). Take a pea-sized amount of paste (≈0.1 g) and spread it over the center of the processor lid. Do not smear - with the pressure of the radiator, the paste will distribute itself evenly.

Step 3: Install the radiator.

Carefully place the radiator in place and secure the screws criss-crossto avoid skew. Tighten them gradually, without excessive force - just enough so that they fit snugly.

Step 4: Assemble your laptop.

Connect the cooler cable, install the bottom cover and tighten all the screws. Don't forget to insert the battery!

Testing after replacing thermal paste

After assembling the laptop, you need to check how effective the replacement was. To do this:

1. 💻 Turn on the laptop and make sure it loads without errors.
2. 🌡️ Check temperatures using programs HWMonitor, Core Temp or AIDA64.
3. 🎮 Load the CPU (for example, run a stress test in Prime95 or a game for 10–15 minutes).
4. 🔊 Listen to the cooler — it should work more quietly and turn on less often.

Normal temperatures for HP Pavilion G6 after replacing thermal paste:

• During idle time: 35–45°C.
• Under load: 60–75°C (for Intel) or 65–80°C (for AMD).

If temperatures remain high (above 80°C under load), the following problems may occur:

• 🔧 Not enough thermal paste (reapply).
• 💨 Radiator clogged with dust (needs cleaning).
• 🔄 Incorrect assembly (check if the radiator fits tightly).

Common mistakes and how to avoid them

Even experienced users sometimes make mistakes when replacing thermal paste with HP Pavilion G6. Here are the most common ones and how to prevent them:

• 🔌 Forgetting to turn off the battery → risk of short circuit. Always remove the battery before disassembling!
• 🧴 Applying too much thermal paste → excess may get onto the contacts. A pea size of 4–5 mm is the optimal volume.
• ⚒️ Losing screws or springs → the radiator will dangle. Use a magnetic pad or container.
• 💨 Do not clean the radiator from dust → even new paste will not save you from overheating. Blow out the radiator with compressed air every six months.
• 🔄 Radiator screws are not tightened evenly → misalignment and poor heat dissipation. Twist them crosswise.

Another typical problem is damage to the cooler cable during assembly. If the fan does not spin after turning on the laptop, check whether the cable connector is tightly seated on the motherboard. Sometimes it is enough to press it lightly.

FAQ: Answers to popular questions

❓ Do I need to change the thermal paste on the HP Pavilion G6 video card?

Most models HP Pavilion G6 video card (AMD Radeon HD 7670M or Intel HD Graphics) is integrated into the processor, so there is no need to lubricate it separately. However, if you have discrete graphics (for example, NVIDIA GeForce 630M), then yes, the thermal paste on the GPU should also be updated.

❓ How often do you need to change thermal paste on HP Pavilion G6?

The service life of thermal paste depends on its type and operating conditions:

• Budget pastes (For example, KPT-8) - once every 1–2 years.
• Middle segment (Arctic MX-6, Noctua NT-H2) - once every 3–5 years.
• Premium pastes (Thermal Grizzly Kryonaut) - once every 2–3 years (dry faster due to high thermal conductivity).

On laptops with AMD thermal paste dries 1.5–2 times faster than on Intel.

❓ Is it possible to use thermal paste from a computer for a laptop?

Yes, but with reservations. Thermal pastes for PCs and laptops are universal in composition, but for laptops it is better to choose options with low viscosity (For example, Noctua NT-H2) so that they do not spread when the laptop is held vertically. Also avoid pastes with metal particles - they can conduct electricity and cause a short circuit.

❓ What to do if after replacing the thermal paste the laptop began to heat up more?

Possible causes and solutions:

1. Poor fit of the radiator — check whether it sits evenly and whether excess paste is in the way.
2. Not enough thermal paste - apply a little more (but don't overdo it!).
3. Dust in the radiator - blow it out with compressed air.
4. Faulty cooler — check whether the fan rotates under load.

If the problem persists, the thermal paste may be of poor quality or the processor is beginning to degrade (this is true for older chips).

❓ Is it possible to replace thermal paste without removing the motherboard?

No, that's impossible. B HP Pavilion G6 The heatsink is attached directly to the processor, and to get to it, you need to remove the cooling system. Any attempts to “grease from above” will only lead to paste getting on the board and causing a short circuit.