Desktop will not start up.

  Nuneatonian 11:44 12 Jun 2017

Hello. I have a HP Pavillion 6 desktop Computer( Windows 7) and it will not start up. A couple of days ago my husband was on the computer and it just went off. So I pressed the button yellow light came on (normally a blue one), unless it wakes up from standby) fans started briefly and then went straight off again. The LED light on the back is on and doesn't flash. I have followed HP instructions. Cleaned it inside. Checked connections. I did notice a couple of cables connected one end only, but they didn't seem to be able to connect to anywhere else as they weren't long enough. Any suggestions. Please note I am not computer whizz!

Thank you in advance

  Fruit Bat /\0/\ 17:31 12 Jun 2017

remove the power cable

press and hold the power button for 30 seconds.

refit power cable and see if it will start.

However If it just went off and won't start again I suspect you may have a serious problem with either the PSU or the motherboard.

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