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We have a very strange error with a brand new ASUS Notebook S550CA, + Windows 8 64 bits Single language + 500 GB Hitach HDD (type: HTS545050A7E380).

  • if the laptop is running on battery power, the system runs perfectly fine
  • if the laptop is connected via the power adapter the system randomly shows NTFS system file errors, sometimes followed by a BSOD.

Additional information

  • A full chkdsk was performed on all drives and no errors were shown.
  • TuneUps software was installed to test the entire drives for errors. No errors were found
  • Legal version of Microsoft Office installed
  • Fully license McAffee antivirus installed
  • No other software installed
  • All latest Windows Updates Installed
  • All laptop drives are up-to-date
  • Many NTFS issues can be found on the internet but so far haven't located any NTFS error that is related to the power source used.

Where should we continue to search for what causes the problem. As noted, it only occurs when an external power source is used. On battery power the laptop runs perfect.

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closed as off-topic by Lucas Kauffman, RobM, Ward, Falcon Momot, mdpc Aug 4 '13 at 22:06

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Questions must be relevant to professional system administration. Server Fault is a site dedicated to professionals; novice questions are off-topic. Please see the Help Center for more information on topicality. The best advice we can give you is to hire a professional to help you out." – Lucas Kauffman, RobM, Ward, Falcon Momot, mdpc
If this question can be reworded to fit the rules in the help center, please edit the question.

-1 because you didn't bother reading the help pages which clearly detail what is on and off-topic on this website. – Lucas Kauffman Aug 3 '13 at 17:33
Not sure why this is off-topic as the help pages clearly states "Server and Workstation operating systems, hardware, and software" and this is a laptop used by teachers at a professional language center and we want to prevent that all teachers that are going to upgrade their laptops run into the same issue – user2641873 Aug 3 '13 at 17:47
In any normal professional setting this would be sent RTM or you would utilize your support contract. – Lucas Kauffman Aug 3 '13 at 17:49
Return merchandise authorization not RTM – Lucas Kauffman Aug 3 '13 at 18:09

Sounds like it's overvolting when connected to AC power, probably because of a bad battery or circuit switcher. You can't fix this on your own, RMA it.

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My advice is to return merchandise authorization (RMA) this laptop. Normally you can do this by contacting your representative that was assigned to your support contract. If you do not have a support contract you can contact Asus through .

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