There are 4 cores in the CPU and only 1 core is enabled. Tags: CPUs Core Last response: November 7, 2012 1:34 PM in CPUs Share mhorsehead60 November 6, 2012 3:52:22 PM There are 4 cores in my CPU and only 1 core is enabled (as per Hardware Diagnostic Tools Log File). I have an HP a6720y PC Pavilion. A "How to", would be great! Thanx, mhorsehead More about : cores cpu core enabled abCasPeRR a b à CPUs November 6, 2012 6:50:14 PM There should be a option in BIOS where you can find a CPU core control. Im not sure what motherboard you have so its hard to say where it would be, but mostly located in the Cell Menu. popatim a c 134 à CPUs November 7, 2012 1:34:46 PM the number of cores can also be limited by the OS. run msconfig and go to the boot tab and then click on advanced options. Make sure the "number of processors" box is unchecked. if not, uncheck and save and reboot. Can't find your answer ? Ask ! Publish Related resources There are 2 cores in the CPU and only 1 is enabled and we need a minimun of 2 co Forum Core i5-750 display 2 cores only . Forum Benchmarks for AMD Athlon II X3 435 with 4 th core enabled Forum ga-p35c-ds3r rev 1.1 F 4 bio Q6600 G0 xp sp2 show only 2 cores Forum CPU -Z is only showing 1 core on i3 windows 7 Forum I7 870 not working properly with 4 cores enabled ? Forum Quad- Core CPU Only Shows As 1 Core ? Forum Only see 2 out of 4 cores Forum Quad core processor shows only 2 cores in device manager Forum FX 4100 ONLY SHOWING 2 CORES AND 2 THREADS IN CPU -Z????? Forum I7-2600k 4 cores in bios - 1 core/1 thread in windows Forum I3770k only using 1 core Forum Can you burn out 1 of four cores on a cpu core i7 Forum X2 7750 Black Edition: Kuma dual- core only ? Or possible 1 /2-quad Forum Only 3 cores showed up in my Quad Core Q8200 Processor Forum Will this setup run skyrim at ultra? Forum Quint/Penta, Hept/Sept Core Processors (Discussion) Forum [Solved] What's the advantage to upgrading your CPU? Forum CPU and GPU advice Forum CPU stuck at -52% overclock? Forum More resources Read discussions in other CPUs categories AMD Intel Intel i5 Intel i7 Phenom Cooling Performance !