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My computer does not shut down and my ups does not give me battery backup when power is cut off

Posted by shabbir_zari on


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First, check that the battery inside the UPS is taking a charge, and holding the charge.
Disconnect all devices from the UPS.
Connect something simple to one of the "protected" sockets, e.g., radio or table lamp.
Turn the radio/lamp on.
Disconnect the UPS from the wall-outlet, to simulate a power-failure.
Does the radio/lamp continue to work?
If not, the battery inside the UPS needs to be replaced.
If it does work, for how many minutes does it work, i.e., how much power can it provide?

Second, check that you have some wire (serial-cable or USB-cable) connecting the UPS to your computer, so that the UPS can signal to your computer that the AC power has been interrupted.

Third, check that the computer software that came with the UPS is installed, and is "talking" to the UPS, i.e., to receive the "alert" message from the UPS.

Posted on Jun 08, 2011


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