Esquemas de energia no Windows XP são aplicados apenas à conta do usuário, não à conta do computador.
Windows XP only has one active power scheme for the entire computer and that scheme is based on the current or previously logged on user
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A Power Option preference item applying to a Windows XP computer does two things: it changes the power settings in the .DEFAULT profile and it makes those new settings the active power profile. A Power Option preference item applying to a user does two things: It changes the power settings in that user’s profile and it makes those new settings the active power profile. Remember there is only one active power profile—it’s the profile that was last made active.
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