https://community.sony.dk/t5/pcs-accessories/shut-down-after-a-few-seconds/m-p/1281422#M131232 <P>I have 2 Sony vaio PCG-K315B which were new in about 2004. Both wll have done about the same number of hours. Bot have recently developed the same problem----they shut down after a about 60 seconds.</P><P>The symptoms were the same on both--first the screen would show very slight variations of brigtness then a day or so later the laptop would&nbsp;suddenly switch off and after that would not stay on long enough to even boot up.</P><P>&nbsp;I assumed it&nbsp;was due to overheating and I blew compressed air thru the cooling vents it had no effect.</P><P>On one I took out the whole cooling system with the processor firmy cemented to it and blew thoroughly through the small radiators--again the was no effect.</P><P>I suspect some component in the supply side&nbsp;has an age limit, probably a capacitor, and that this problem is not unique to me.</P><P>I have 3 questions&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Has anyone else experienced this problem?</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;What is likely to be cause?</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;What and where is the component I need to replace?&nbsp;&nbsp;</P><P>&nbsp;&nbsp;&nbsp;&nbsp;Any help would greatly appeciated.&nbsp; Thanks &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P> Sat, 03 Aug 2013 15:39:20 GMT RedCosh 2013-08-03T15:39:20Z https://community.sony.dk/t5/pcs-accessories/shut-down-after-a-few-seconds/m-p/1281422#M131232 <P>I have 2 Sony vaio PCG-K315B which were new in about 2004. Both wll have done about the same number of hours. Bot have recently developed the same problem----they shut down after a about 60 seconds.</P><P>The symptoms were the same on both--first the screen would show very slight variations of brigtness then a day or so later the laptop would&nbsp;suddenly switch off and after that would not stay on long enough to even boot up.</P><P>&nbsp;I assumed it&nbsp;was due to overheating and I blew compressed air thru the cooling vents it had no effect.</P><P>On one I took out the whole cooling system with the processor firmy cemented to it and blew thoroughly through the small radiators--again the was no effect.</P><P>I suspect some component in the supply side&nbsp;has an age limit, probably a capacitor, and that this problem is not unique to me.</P><P>I have 3 questions&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Has anyone else experienced this problem?</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;What is likely to be cause?</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;What and where is the component I need to replace?&nbsp;&nbsp;</P><P>&nbsp;&nbsp;&nbsp;&nbsp;Any help would greatly appeciated.&nbsp; Thanks &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P> Sat, 03 Aug 2013 15:39:20 GMT https://community.sony.dk/t5/pcs-accessories/shut-down-after-a-few-seconds/m-p/1281422#M131232 RedCosh 2013-08-03T15:39:20Z