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The Sony VAIO CS-series Computer model has a known issue with its fan. If the fan is making abnormally loud noise and causing the Computer to shut off then service will be required. You can contact Sony Service Center to get the Computer repaired.

However, if the fan is not making loud noise but the Computer is shutting off automatically then possibly it may be a virus or the failure of the power supply unit. In this case, you may run complete system scan using an updated Antivirus program such as Norton to check for any potential threat. Furthermore, you can perform the C: Drive Restore using the VAIO Recovery Center or complete System recovery using the Recovery disc to ensure that the issue is not related to Software.

Follow the instructions given in the link below to access and use the various features of the VAIO Recovery Center:


Click on the sublinks given in the blue text on the page to view further information.

If the issue persists even after system recovery then the problem is related to the power supply unit.

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3 Suggested Answers Relevant answers from similar questions that we feel might be a fix.

Properly Configure Time Zone

Make sure that you have properly configured the time and selected the right time zone. Configuring the time zone properly may fix clock that keeps resetting. To do so follow these steps:

  1. Click on Start
  2. Open Control Panel
  3. Click on Date and Time
  4. Click on Time Zone
  5. Select the right time zone by clicking the arrow below
  6. After selecting time zone don't forget to click "automatically adjust...."
  7. Click OK

Check CMOS Battery

There is battery named CMOS on the motherboard, if this battery becomes dead PC loses its date and time settings. Problem in battery may result in this issue. Replacing the battery with a new one is the best solution to fix the problem.

Install Windows Update

Some of the Windows updates also contain a patch to fix clock keeps resetting. To download and install latest Windows updates follow the steps below:

  1. Click on Start and open Control Panel
  2. Locate and click on Windows Update
  3. In the right panel click on Check for Updates
  4. Install the Updates
  5. Restart your computer

Repair Windows Registry

Mostly PC problems occur due to corrupt Windows registry. To fix clock keeps resetting problem you are required to fix registry error. You will need a good System Utilities program that includes a Registry Cleaning feature. Registry Cleaner deeply scans registry problems and fixes them instantly.

To download System Utilities program including a Registry Cleaner click here.

Scan System for Viruses

Attack by viruses or spywares on PC may also results in this problem. To fix this issue you have to completely scan your system for malicious or infected applications and clean all the files detected by antivirus program.

Download Clock Keeps Resetting Fix Tool

Source: sony vaio vgn-fs775p laptop real time clock not keeping time

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Myke Ogar

take it to an expert... the fan is faulty

Source: Sony Vaio with loud fan and switches off

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There are many things that could be causing this problem: bad processor fan, processor failure, bad power supply - these are the more probable causes. There really is no way you are going to know until you take it to a shop and let them test it.

Source: my daughters sony vaio laptop will not turn on,

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