Malfunction Abnormal: computer black screen, overclocking, automatic restart, temperature is too high and so on these are the CPU socket contact bad caused. Here is a specific analysis of these situations.
Failure resolution:
One, CPU pins caused by bad CPU contact
When you find that the CPU is not in contact with the computer caused by automatic shutdown and black screen symptoms, first to check your CPU slot above the PIN is black and green to be oxidized traces, factors CPU long-term work in the humid environment. And the exposed copper pins in this environment react with oxygen in the air to produce a patina. Accumulated rust too much caused by bad contact, from if the CPU pin is there is the phenomenon of this oxidation can be used toothbrush on the CPU pins do a cleaning work, the computer can be normal operation. and caused this peculiar fault. In addition, there are some inferior motherboards, due to the poor quality of the CPU slot, will also cause poor contact, users need to fix their own CPU and socket contact, you can solve the problem of poor CPU contact computer.
Second, the CPU frequency is not normal caused
There is a computer CPU for ATHLONXP 1600+, boot after the BIOS display for 1050MHz, but the normal athlonxp 1600+ should be 10.5 times times the frequency X133mhz FSB the =1400mhz frequency. In the BIOS found that the largest can be set to 129MHz, FSB found that the board's dip switch to the 100MHz FSB, so that it is converted to 133MHz FSB, after the boot black screen, CPU fan running normally. Repeated several times are so, and then the motherboard on the DIP switch all to auto, in the default state, the system self-test is still 1050MHz. Suspected memory and graphics, such as different steps, reduced memory from 2 to 2.5, still unable to normal self-test, and the AGP video card from 4X to 2X mode, boot back to normal. And this phenomenon is that the frequency of your CPU is not normal, and often many people ignore the CPU frequency, and mistaken for other reasons caused by computer failure.
Third, when your CPU temperature is too high, causing the computer to automatically restart, there is bad contact.
We are using some temperature detection tools to test the temperature of the computer hardware, when the CPU speed is too high to cause the computer to automatically restart the need for cooling, and we turn on the computer, the CPU speed has not decreased after the computer constantly into the reboot state. First to detect the thermal conductivity of silicone grease and heat sink whether there is a problem, and then detect the CPU fan is normal, when these are back to normal, in order to run the computer will not go to the CPU high temperature contact bad and cause the computer has been restarted failure. Of course, the CPU temperature is too high for a number of reasons caused.