https://community.hpe.com/t5/operating-system-microsoft/flashing-light-fast-on-startup/m-p/4685181#M9804 I'm not sure what you are trying to say or ask or what problems you have?<BR /><BR />What type of computer do you have? What Windows version? Sat, 11 Sep 2010 22:41:32 GMT Dennis Handly 2010-09-11T22:41:32Z https://community.hpe.com/t5/operating-system-microsoft/flashing-light-fast-on-startup/m-p/4685180#M9803 unplugging the pwer supply ,and unplug to the mother board , after letting the power supply capacitor run down and Led light going off..reconnect the wall 110AC cord to the computer with leaving Mother board connection unplugged,the led on the rear of the computer power supply should light constant.now unplug power , and reconnect to the mother boar. then reconneect and power up, the machine booted normally. Thu, 09 Sep 2010 17:46:42 GMT https://community.hpe.com/t5/operating-system-microsoft/flashing-light-fast-on-startup/m-p/4685180#M9803 Rick Beirau 2010-09-09T17:46:42Z https://community.hpe.com/t5/operating-system-microsoft/flashing-light-fast-on-startup/m-p/4685181#M9804 I'm not sure what you are trying to say or ask or what problems you have?<BR /><BR />What type of computer do you have? What Windows version? Sat, 11 Sep 2010 22:41:32 GMT https://community.hpe.com/t5/operating-system-microsoft/flashing-light-fast-on-startup/m-p/4685181#M9804 Dennis Handly 2010-09-11T22:41:32Z