My home computer won't stay in Stand By mode. When I click Start/Turn-off/StandBy, it goes into standby ok, but when I come back to the computer later, either the windows desktop or the windows screen saver is displayed. Whats up ?

Hi Robertb40,Did you make any software or hardware changes on your machine prior to this issue?Let’s follow these methods & check if it helps.Method 1If you have any unnecessary external device connected to the computer, unplug it & check if the issue persists.Method 2You may download & install the latest graphics card drivers from the manufacturer’s website & check if the issue persists.How to manage devices in Windows XPMethod 3You may try to uncheck the option ‘Allow this device to bring the computer out of standby’ & check if the machine is able to stay in the standby state. Follow the steps given below.a) Type devmgmt.msc in Start > Run box and hit Enter.b) In device manager, expand network adapters. c) Right click on Properties >click on the Power Management tab.d) Uncheck the option ‘Allow this device to bring the computer out of standby’.e) Click Ok.Hope the information helps. Please post back and let us know.RegardsDebleena SMicrosoft Answers Support EngineerVisit our Microsoft Answers Feedback Forum and let us know what you think.