Help! Desktop charging but no power / it wont turn on

[yanz__]

Desktop wont turn back on when its charging. I put my desktop in a sleep mode and i forgt to charge my desktop before i left the house. When i get back i put the charger on and turn on my computer and it wont turn on. How can i fix this problem?

 

[Onus]

Are you talking about a Desktop PC, or a laptop? Where is the battery that is charging; in the machine, or UPS, or ??