Question about AMD Athlon 64 X2 3800+ Dual Core Processor - Socket 939 (AMDX23800)

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No display even after the system boots

When i start the Comp, Processor fan is running but the monitor is totally blank (Only the power button blinks). There is no beep sound when i start my computer (Ever after removing RAM).
System has an onboard display car.

Please help

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You either have a dead CPU or a dead motherboard or a partially-dead power-supply -- the power-supply should supply different voltages to different computers, i.e., one voltage to spin fans, and a different voltage to power the RAM, and a different voltage to power the motherboard. So, it can be "partially" dead.

Borrow a power-supply, and try that first.
If all else fails, take the computer to a qualified technician.

Posted on May 31, 2010

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Posted on Jan 02, 2017

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Display is blank


This may not be the monitor's fault, it should flash a front panel LED when power is applied and most monitors will now flash a message if they are healthy but have no input signal.  Watch if your keyboard lights flash at power on and then the hard drive light on the system box to see if the computer is even booting.
If the system seems dead, you may have to open the case (only a few screws hold one side) and, with the power off, ground yourself on any bare metal you see and then pop the memory boards loose and then reseat them, trace each plug from the power supply (normally a silver box into which the AC is plugged in the back) to its end and if connected, disconnect and then reseat the plug.
If you have an accumulation of dust bunnies, blow them out and if any fans are carrying a bunch of dust, use a clean paint brush to free the blades a bit. I don't recommend using a vacuum since they can produce a ton of static charge and that can be death to low-level ICs.
I generally will reconnect everything external to the system box and turn on the power before reattaching the side panel removed for access; that gives you a chance to check if the CPU fan is running and any others that might not be visible once the case is buttoned up.
Good luck-    

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