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Desktop will not start up

HP Recommended
HP ProDesk 400 G1 MT
Microsoft Windows 7 (64-bit)

Anyone with the correct information on why my computer will not start up, thank you in advance

 

The problem  : Its a pretty simple malfunction,  push the power button and eveyrihng appears to starting up, then stops nothing happens.

 

monitor - nothing

keyboard - nothing

computer - can hear fan running ,  dvd tray light does illuminate, hard drive light does blink thats it !

 

this is not the first time it happened, which it just started working again on its own. As of now two days with this issue

 

 

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HP Recommended

Hi Tee10

 

Many components can cause this symptom.

 

The power supply or motherboard is often the cause.

 

First check power supply connections to the motherboard.

 

You have to tackle one component at a time (this is, with high confidence, a hardware problem).

 

Disconnect all unnecessary peripherals such as printer, USB sticks, UPS, or external USB drives.

 

Boot and see what happens.

 

Disconnect keyboard and mouse.

 

Boot again.

 

Disconnect internal HDD/SSD, DVD drive, and card reader if you have one.

 

Boot again.

 

Remove RAM. Boot and see if you get an error code.

 

Try each stick of RAM in each slot. 

 

Try a different graphics card or use onboard graphics if your CPU supports this.

 

Now you must try a known good power supply.

 

If none of the above corrects the POST problem then your mainboard is probably toast. 

 

Check the MB for anything unusual items such as leaky/bulging capacitors or signs of thermal damage. The CPU could have failed but that is unusual unless it is fried. Also very unusual as modern processors throttle when thermal threshold is reached.

 

Grzy

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