In Jaunpur's hot summers, laptop overheating is one of the most common problems we fix at vTechZone. A laptop that constantly runs hot doesn't just slow down — it can permanently damage your CPU, GPU, and motherboard. Understanding why your laptop overheats is the first step to fixing it.
How to Know If Your Laptop Is Overheating
- The bottom feels burning hot to the touch
- Fan runs at full speed constantly and makes loud noise
- Laptop suddenly shuts down during use
- Performance suddenly drops (thermal throttling)
- You notice frame drops while watching videos or gaming
- Windows shows "High CPU temperature" warning
Top Causes of Laptop Overheating
1. Dust Blocking the Cooling Vents (Most Common)
Over time, dust builds up inside your laptop and clogs the cooling fan blades and heat sink fins. This prevents hot air from escaping, causing temperatures to rise rapidly. In Jaunpur's dusty environment, this happens faster than in other cities.
A laptop used for 1–2 years can accumulate enough dust to raise CPU temperatures by 15–20°C. At extreme temperatures (95°C+), the processor automatically slows down to avoid damage — this is called thermal throttling.
2. Dried Thermal Paste
Thermal paste is a heat-conductive compound applied between the CPU/GPU and the metal heat sink. Over 3–4 years, this paste dries out and becomes ineffective. Without good thermal paste, heat doesn't transfer properly from the chip to the cooling system.
Replacing thermal paste alone can reduce CPU temperatures by 10–20°C on older laptops.
3. Fan Failure
If your laptop fan makes grinding, clicking, or whirring sounds, or if it has stopped completely, the fan may be damaged. A dead or failing fan means virtually no cooling, which will lead to hardware damage very quickly.
4. Using on Soft Surfaces
Using your laptop on a bed, pillow, couch, or any soft surface blocks the bottom vents completely. Most laptops draw cool air through bottom vents, so even a minute of blocked airflow causes temperature spikes.
Always use your laptop on a hard, flat surface — a table, desk, or laptop stand.
5. Too Many Background Processes
Viruses, cryptocurrency mining malware, and poorly written software can push your CPU to 100% even when you're doing nothing. Open Task Manager (Ctrl+Shift+Esc) and check if any process is using abnormally high CPU.
• Under 60°C: Normal during light use
• 60–80°C: Normal during heavy tasks
• 80–90°C: Warning zone — needs attention
• Above 90°C: Dangerous — can cause permanent damage
Professional Fixes at vTechZone
Internal Dust Cleaning (₹300–₹500)
Our technicians disassemble the laptop, use compressed air and precision brushes to clean all dust from the fan, heat sink, and vents. This alone resolves overheating in 70% of cases.
Thermal Paste Replacement (₹200–₹400, includes cleaning)
We remove the old dried thermal paste and apply fresh high-quality thermal compound on the CPU and GPU. Usually done alongside the cleaning service.
Fan Replacement (₹500–₹1,500 depending on model)
If the fan is faulty, we source and install a replacement fan compatible with your laptop model. We stock fans for most common laptop brands.
Complete Cooling Service (₹800–₹1,200)
Includes full disassembly, dust cleaning, fresh thermal paste, and fan inspection — the complete treatment for a hot laptop.
Is Your Laptop Running Hot? Fix It Today!
Don't let overheating destroy your laptop's hardware. Same-day cooling service available at vTechZone, near VBSPU, Jaunpur. WhatsApp us for a quick quote.