Good afternoon. This forum is for support of US products and customers, but I will be happy to provide what information I can. As I remember, the SyncMaster monitors do not have an internal power saver function, and rely on the Windows or other OS, power schemes to provide this function. You may want to troubleshoot the power setup in your PC control panel. As I do not have access to your specific monitor's information, please contact your regional Samsung support team for assistance using the following link https://www.samsung.com/us/common/visitcountrysite.html, or contact your regional Samsung Community here: https://r1.community.samsung.com/.