HP Pavilion a450n PC Desktop "several attempts turn" Questions

...turn it on I attempted to download 43 updates while at the same time allowing norton 360 to optimise my computer and backup. The computer froze, i could not shut down normally so I turned off the ...

...several tries of power on attempts. It will not start with the CPU fan coming on high speed. Must keep trying until low speed is heard. I have removed reseated the CPU as HP recommended, new heat ...

...several attempts continue to below connections not connected properly. Computer is asleep If your computer monitor was on and you stepped away from the computer and upon returning it was black it's ...

...Turn Off) Unplug your computer from power. Open the computer case. Follow Anti-Static Precautions. Anti-Static Precautions: Your body carries Static electricity. Static will fry out (Short Circuit) ...

...several things that can cause this.Let's start with the easy ones first. Visual inspection.Open the computer ...

...on, a box labelled ''BDSoftware'' pops up and I have to make several attempts to get rid of it. Why is this happening and how do I get rid of it? ...

...light in the switch on button flashes. After several attempts and minutes later I am able to turn it on. What could be happening? loose connect or mother board problem (is your os & HDD is OK

...several attempts to successfully boot. No new software or haedware added. The on button now will not turn the pc off. I tried the cmos battery reset with no results. check the memory module and the ...

Immediately upon boot, vertical lines appear on screen. After several minutes the screen turns pick and the windows cursor appears. there is no further change in the display. Mouse appears to work. ...

...several attempts it goes and then carries on behaving normally unti it is turned off. Is it a dodgy capacitor or is there something I don't know about this monitor. Many Thanks Mark the capacitor ...