Don’t ignore that noise.
These sounds are usually an indication that a fan isn’t working properly a potentially serious problem.
Canned air works great for CPU and component fan cleaning.
Lifewire / Theresa Chiechi
you might usually pick up a bottle for around $5 USD at Amazon.
SeeHow to Open a Desktop Computer Caseif you’ve never had to get in before.
Clean the power supply fan and any case fans.
Canned air works great here, too.
Laptops & Tablets:your machine probably only has one fan and it’s blowingout.
Instead, blow air at the fan at an angle, blowing the dust away from the fan grates.
If after cleaning a fan, it doesn’t moveat all, it’s time to replace it.
SeeWays to Keep your system Coolfor a complete rundown of your options.
Here’s how:
Open Task Manager.
TheCtrl+Shift+Esckeyboard shortcut combo is the quickest way there but the link has some other methods, too.
If you don’t see it, try theMore detailslink at the bottom of Task Manager.
Select theCPUcolumn so that the programs using most of the CPU’s capacity are listed first.
For example,chrome.exe high cpu usageif you were to find Chrome as the culprit.
SeeHow to Update Drivers in Windowsif you need help.
The first and most common cause is a dirty fan.
This can be either dirty fan blades themselves or dirty ball bearings that turn the fan.
The second cause is an overheating computer.