Having problems with your Adaptec PC Desktops ?

Power goes off by itself, then boots up again

\015 Have already installed a new power supply, and new power cord, checked the power strip (surge suppressor) and wall outlet, but this problem keeps happening. What else could it be? This is an Insignia D400a (Best Buy in house brand)\015

Answers :

In computers, any number of problems can cause this - bad RAM, bad hard drive, fried voltage regulator(chip in a laptop), overheating cpu, overheating video card/gpu, there are even a few device drivers that can do this if they become corrupt. Usually, however, its not an issue with the power supply/power source.
\015\012I would try swapping the RAM with new(or known good) sticks. Also, make sure the system is clean, and no dust has built up in it, especially in/around the fans.
\015\012If the RAM swap is unsuccessful, and the system is clean, check and make sure the fans spin when the system is on.
\015\012Power down the system, disconnect the data and power cable from the Hard Drive, and turn the computer back on - you won't get into the OS, but you'll be able to determine if the issue occurs w/o the hard drive connected.
\015\012Ultimately, it may come down to a bad motherboard.
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