Should the light of a optical mouse remain on even after shutting down the computer system ?

Q: I am using a HP compaq dx 2480 with windows XP, connected to a offline UPS.

A: No, it should also turn off as it is powered from the SMPS which is turned off at shutdown. Sometimes it can take 1 to 5 seconds to turn off bcoz of capacitance. Are u sure that u r not hybernating or standby instead of shutdown?

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