Computer boot black screen is a very common computer failure, of course, there is another special case - the black screen after the computer is turned on! That is, the computer is turned on normally, but the system is black, and the author has encountered several similar problems. For example, once the new system is not compatible with the possible driver, the system and the driver are blacked out when the system is installed. The problem is solved by not installing the system with the driver. Of course, there are many, the author summarizes the black screen after booting. Solution.
First, check the power supply, computer power, power interface
1, check the chassis power supply interface and power cord is intact, if the excuse and power cord are damaged, broken, should be replaced in time.
2. Check the power cord socket of the motherboard. If there is no damage, pull out the socket and plug it in. When pressing the power switch, gently move the power cord to see if there is any reaction to determine if it is because the power cord is not in good contact. Or the solder joint is loose and the power is not turned on.
3, using the replacement method, try to switch this power supply to other machines, you can also use a good power supply to the machine to see if it can be started to determine the quality of the power supply. Pay special attention to check if the switch on the power supply is turned on, and some power supplies are equipped with switches.
Second, use the minimum system method
1, take the motherboard off, first use a brush (quality is good, must not remove hair, I have encountered hair loss due to hair brush off The graphics card slot causes the graphics card to not work and the black screen is faulty. It is best to blow it with a cold air blower. It is also possible to use a leather tiger. After cleaning, many faults caused by dust are naturally solved!
2, plug the CPU, memory, graphics card to see if the machine is lit. At the same time, you can use the replacement method to plug a good CPU, memory stick and graphics card into the test to determine the fault. At this time, for some jumpers (hard jumpers) about the CPU, pay special attention to whether the settings are correct. Especially in the case of upgrading the CPU, first check if the motherboard supports the new CPU. In order to avoid setting the voltage too high, the CPU will burn out.
3, if the machine is still not lit under the minimum system, and the CPU (the jumper setting is also correct), the graphics card, the memory stick are all intact, you should suspect the motherboard problem.
14 kinds of situation judgment codes for computer crashes
Everyone who uses a computer has encountered more or less crashes. The following are common crash situations for your reference:
1: The board and card are not in good contact, loose, or the slot on the board is broken, or the display card, memory and other accessories are bad, causing the display to be off.
2: The voltage fluctuation is too large, causing the current on the board or card to be large or small, sometimes damaging the hardware. So choosing a power supply that can protect against overvoltage is critical, or adding a voltage regulator.
3: Peripherals such as printers, recorders, and scanners are broken, but the plug-and-play technology causes the system to detect these devices at boot time and cause a crash.
4: Overclocking exceeds the fire, sometimes the display does not light, sometimes it crashes after entering the system. In severe cases, the CPU will be burned out. Previous12Next page Total 2 pages
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