Constantly running My computer is constantly running, How do i get it to run quietly? It has previously ran quietly and now it is being loud again.

Try cleaning the condenser fan heat exchanger radiator.

How is the oil level in the engine? Have you actually checked that? Also, what kind of oil (and what weight) are you running in the engine, and how many miles are on the car? You may be running oil that is too thin for the amount of wear on the engine parts! oil leaks cause low oil levels!

either water lock or motor burnt out ,

Depending on the age of the Rainbow, it could be the bearings. Does the noise happen with just the Rainbow or from the power nozzle?
RainVac
www.rainvac.com
800-523-0510

Set the timer to 1 minute and then press the minus button to zero it.
This makes the timer 'beep'.
If it is quiet, press the minus button again and the volume of the beep will alter, running through 3 settings - loud, medium and quiet.

Fan is inteligent, has sensor when cooldown is reached auto slow down to fix needs to be replaced,will not hurt anything system running cooler is always a good thing i would run it till it dies unless noise is an issue

This over heating issue is a common issue for this model of VAIO Computer. You will get a free service or replacement of parts(Battery) from the Sony Service Center. For more information please follow the link below.
VAIO Battery Replacement program
Hope this will help you. All the best.

Hi,

Desktop fans do run constantly, you cannot avoid this.

The reason they get loud is because there will be a build up of dust on the fan blades.

To rectify this problem turn off the computer and remove the power cord from the rear. Then you need to remove the side panel from the base unit to expose the motherboard.

You will see that inside the case it is full of dust. Look at the CPU fan (the fan on the motherboard) also take notice of any case fans too, they are at the back.

To clean the fans and the case you can use a clean dry paintbrush or compressed air.

Once the inside of the case is cleaned you will see a noticeable drop in noise.


Regards.

when the compressor is running unplug the ref. and if you hear the noise coming from the compressor then
a ballance spring may be broken inside the compressor.

The compressor will run normally with a broken spring it will just be annoying when it shuts down.

Best guess I can make with the limited info is check the fuel cap vent. If it runs fine with the cap off or open you found the problem.
Engines that are running very lean (not getting enough fuel) can sound terrible, Frank