Laptop Overheating and Loud Fan: 10 Fixes That Work (2026)

Oct 12, 2026

Buy More Mall Kenya

A laptop that runs hot, roars like a jiko fan or shuts down by itself is telling you it cannot get rid of heat. Heat slows the laptop (it throttles to protect itself), wears the battery and, in the end, damages the motherboard. Most causes are simple to fix.

Quick answer: Laptops overheat mainly because dust blocks the fan and vents, the thermal paste on the processor has dried out, the laptop sits on a bed or cushion that covers the air intake, or background programs keep the processor busy. Clear the vents, use it on a hard surface, check Task Manager, and have the fan cleaned and the thermal paste replaced if it is more than two or three years old.

What Temperature Is Too Hot for a Laptop?

Processor temperature	Meaning
Under about 60°C	Normal for light work
About 60–85°C	Normal under heavy load (video, games)
Above about 90°C	Too hot: the laptop slows down and may shut off

Free tools such as HWMonitor or Core Temp show the temperature. The bottom case feeling warm is normal; too hot to rest on your legs is not.

10 Fixes for an Overheating Laptop

Use it on a hard, flat surface. Beds, sofas and laps block the vents underneath.
Clear the vents. Blow out dust from the side and bottom vents with short bursts of air (hold the fan still so it does not over-spin).
Check Task Manager (Ctrl + Shift + Esc) for programs using high CPU and close or uninstall them.
Remove startup programs you do not need (Task Manager → Startup).
Set the power plan to Balanced, not Best performance, for everyday work.
Update Windows, drivers and BIOS; updates often improve fan control.
Scan for malware; hidden miners keep the CPU at 100%.
Clean the fan inside. A technician opens the base and removes packed dust; this is the biggest single fix on older laptops.
Replace the thermal paste between the processor and the heatsink if it is dry (common after 2–3 years).
Use a cooling stand if you run heavy software for hours.

Why Is My Laptop Fan So Loud?

A fan that is always loud is working hard because the laptop is hot (see above) or because the fan bearing is worn. A grinding or rattling sound means the fan itself needs replacing.

When Is It Time to Upgrade?

If the laptop is clean, the paste is new and it still struggles, it may simply be too weak for the work. Adding an SSD makes an old laptop feel faster, though it does not cool it; for heavy work a newer refurbished business laptop is often the better buy.

WD Blue 1TB SSD – price in Kenya — WD Blue 1TB SSD
**KSh 14,000**

SanDisk 1TB SSD Plus – price in Kenya — SanDisk 1TB SSD Plus
**KSh 13,000**

Hp 440g5 core i5 8gb 256gb – price in Kenya — Hp 440g5 core i5 8gb 256gb
**KSh 32,005**

Dell 7280 core i5 8gb 256gb – price in Kenya — Dell 7280 core i5 8gb 256gb
**KSh 24,005**

Upgrade	Why	Price
WD Blue 1TB SSD	Faster start-up and less waiting	KSh 14,000
SanDisk 1TB SSD Plus	Faster start-up and less waiting	KSh 13,000
Hp 440g5 core i5 8gb 256gb	Newer refurbished business laptop	KSh 32,005
Dell 7280 core i5 8gb 256gb	Compact refurbished business laptop	KSh 24,005

Worked Example: Office Laptop That Shuts Down at 3 pm

An HP EliteBook used on a desk near a window shuts down every afternoon. HWMonitor shows 96°C. A technician opens it and finds the fan blocked with dust and the thermal paste dry. After cleaning and new paste the same work runs at about 70°C and the shutdowns stop.