How to Solve Error: use a kernel appropriate for your CPU

Oracle VM virturalbox is a free and open source powerful virtual machine software. The main products of Oracle (Oracle database, Oracle convergence middleware, Oracle business products and Oracle RAC) have passed the certification of Oracle VM, which is also the only virtualization software with Oracle application certification in the industry. There will always be problems in the process of using the product. The author recently re installed the machine, and the following problems occurred when installing the virtual machine on the new machine: as shown in Figure 1

This kernel requires an x86-64 CPU,but only detected an i686 CPU.

Unable to boot – please use a kernel appropriate for your CPU.

After reading a lot of materials, I successfully solved the problem. Now I will share the process of solving the problem with you, so as to help more people

Tools/raw materials

​Oracle VM VirturalBox

your computer BIOS Setup help book


first, shut down the virtual machine and check whether there is a problem with the virtual machine settings, as shown in Figure 2

switch to the system tag processor, check the enable PAE/NX option, as shown in Figure 3, confirm

if the problem remains, we should start to check the problems of our computer. Download the software secure,

shared connection (Pan. Baidu. COM/S/1ddiu3up), and the check results are shown in Figure 4; In the first case, we will continue to look. In the second case, we will jump to step 5 directly

lockoff option, which is not supported by the motherboard; Please restart the machine and enter the BIOS settings (the settings of each motherboard manufacturer are slightly different, but they are basically the same. Please pay attention to the power on self-test items and motherboard manufacturer’s help). As shown in Figure 5, advanced – CPU settings; Intel XXX selects enable. F10 save restart. If you restart the machine, it will be like the second case in Figure 4, red “no”

in Figure 4, the red “no” option is not supported by CPU, as shown in Figure 6. There is no way but to switch to 32-bit system; Open virtual machine settings – storage – change 64 bit CD to 32-bit CD, as shown in Figure 7 and figure 8. Confirm; Start the installation again and find that everything is normal, as shown in Figure 9

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