How to install (or
replace) a case fan
For continued peak
performance, your PC must maintain proper cooling. Here's how to install a fan
in new construction or swap out a broken one. Since many of the
processors in a typical PC produce a lot of heat, active cooling is often
necessary to keep them stable. More heat dissipation is required by current,
powerful gear, such as AMD's Ryzen 5000 processors and Nvidia's GeForce RTX
3000-series graphics cards.
typically use heat sinks and fans to control the heat inside a computer. You
might need to install more or more fans if you're upgrading or building a new
PC or if you’re current PC is overheating.
Here are some tips on when
a fan needs to be replaced and how to do it yourself.
How to spot defective
A fan frequently
begins to make unusual grinding noises or vibrations in its final moments.
Sometimes, there is no warning at all, and the fan stops. An intake fan, an
exhaust fan, a CPU cooling fan, and a power supply unit (PSU) cooling fan are
likely to present in all but the lowest-power passively cooled systems. Case fans can be
placed anywhere, but the CPU and PSU will be mounted on their appropriate
components. As they can draw in the most excellent air, intake fans are
frequently found near the front or bottom of a system. Exhaust fans are
typically located at the top or back of a case to exhaust warm air. Make sure it's
connected if one of the fans has stopped. The fan will need to be replaced if
it is connected but not spinning.
Various cooling fans
are available, ranging from small barrel-style fans that are occasionally used
to cool chips to huge axial fans found in most power supplies. The range of 70mm to
140mm is where most fans are most frequently found; however, 230mm fans are
also becoming more widespread. In more recent examples, 120mm fans are the
norm. Choose a fan with high airflow (in cubic feet per minute, or
CFM) and one that is quiet (measured in decibels or dBA). The box or the
product's information page will both contain this information.
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