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Users questions: My computer is turned on, the keyboard does not look bright lights flash, mouse, light has been lit, the power light is lit, but the monitor is no signal, but also normal to play a month ago. Why not now even have opened the boot, and if the monitor signal line no problem, then the host has gone wrong? Before the opening of my audio Hear the voice of XP boot function, although it is the boot screen shows no signal, but the sound did not open XP startup sound, the computer in the end what is wrong with you? ? Thank you for the. . .
Experts answer:1. When the display is blank no image is displayed (the display currently on the market, but not in the host A signal is sent, the screen will display "No signal cable"), first check the host power is a good plug, power supply fan spins? Host panel power indicator, whether the hard disk light is flashing light? If the system does not work because the power supply or motherboard no electricity, the monitor does not receive the letter in the No, of course, there will be no image displayed. 2. Check the monitor and then plug the power supply is good? If your monitor's power switch is a touch switch, when you power up the monitor, you should hear a slight "provision pop" sound, then the monitor can determine the switching power supply circuit is good. And then monitor the electrical Source switch is turned on? Monitor power light is lit? When the hand near the display screen and slowly move had been "hissing" sound, while the hair on the hands of the feeling of being sucked, which checks the monitor is working the high-voltage circuit. 3. If it is determined the display has power, and there High pressure occurs, continue to check the monitor cable connector and the signal output interface card is a good contact? Are there loose? Unplug and then check, D-type interface for bent or broken needles or have a lot of dirt. This is a problem often encountered in many users, in the D-type socket connector, the hard uneven Uniform, or forget to tighten the screw interface, the interface to loose cause bad contact, or because of improper installation or excessive force, so that D-type interface or a curved needle within the needle, resulting in poor contact. Note: the data display 15-pin plug may have a shortage of needles, such as 4,9,11-pin, then the normal , And do not artificially supplemented by other wire to pin these missing bits, so as not to cause other problems. More said that it: 1,2,3-pin for the red, green and blue guns signal input, if any of you bad needle contact with the screen there will be lack of appropriate color. If the first pin 12,15 there is a problem, the host to Can not find the appropriate display, but this does not affect use. If the first pin in question 13,14, the display will appear black, the display lights in the boot from green to orange after a while. Also appeared in one of the black screen. 4. Open the case to check the display card is installed correctly? Insert the motherboard Slot is a good contact? Video card or slot is too long and the use of too much dust, as well as causing poor contact? Whether the chip on the graphics card burned, traces of cracking. When the causes for black screen graphics, the computer POST a short time that is four long, "Didi," audible. Graphics card installed, you should hand Hold the upper part of graphics card, even forced into the slot, so that the screw graphics port and port match the main chassis of the screw. Do not force plug is not fixed, resulting in distorted graphics. If the confirmation is installed correctly, you can remove the card wipe with alcohol cotton ball for about pin cheat, or a slot (only for In PCI card) installed. If does not work, can only be a good graphics card for a try the next. If that does not, in determining the graphics intact, they must also consider the graphics card and motherboard compatibility. Best to check the relevant information or ask friends. 5. Check the other boards (including sound cards, Decompression Card, video capture card) Contacts with the motherboard slot is good? Note Check the hard disk drive data cable and power cable connection correct? Replace other card slot, cleaning pins. This is often easy to overlook many people. Generally believed that black screen computer monitors and graphics cards is the issue, and other device-independent. In fact, because the sound Cards and other equipment is not installed correctly, cause the system to be completed in early to make of the difficult, especially in the hard disk drive data cable and power cord to the wrong, the fault likely to cause no display. 6. Check the memory is good contact with the motherboard? Reseat the memory or try another slot, or the replacement of the memory. If If memory problems, the computer starts, there will be a continuous rapid "Didi" sound. Tone varies because of the motherboard. 7. Check the CPU and the motherboard CPU Block access to well? Due to moving or other factors, the CPU socket and then SLOT1 jack or SOCKE370
Experts answer:1. When the display is blank no image is displayed (the display currently on the market, but not in the host A signal is sent, the screen will display "No signal cable"), first check the host power is a good plug, power supply fan spins? Host panel power indicator, whether the hard disk light is flashing light? If the system does not work because the power supply or motherboard no electricity, the monitor does not receive the letter in the No, of course, there will be no image displayed. 2. Check the monitor and then plug the power supply is good? If your monitor's power switch is a touch switch, when you power up the monitor, you should hear a slight "provision pop" sound, then the monitor can determine the switching power supply circuit is good. And then monitor the electrical Source switch is turned on? Monitor power light is lit? When the hand near the display screen and slowly move had been "hissing" sound, while the hair on the hands of the feeling of being sucked, which checks the monitor is working the high-voltage circuit. 3. If it is determined the display has power, and there High pressure occurs, continue to check the monitor cable connector and the signal output interface card is a good contact? Are there loose? Unplug and then check, D-type interface for bent or broken needles or have a lot of dirt. This is a problem often encountered in many users, in the D-type socket connector, the hard uneven Uniform, or forget to tighten the screw interface, the interface to loose cause bad contact, or because of improper installation or excessive force, so that D-type interface or a curved needle within the needle, resulting in poor contact. Note: the data display 15-pin plug may have a shortage of needles, such as 4,9,11-pin, then the normal , And do not artificially supplemented by other wire to pin these missing bits, so as not to cause other problems. More said that it: 1,2,3-pin for the red, green and blue guns signal input, if any of you bad needle contact with the screen there will be lack of appropriate color. If the first pin 12,15 there is a problem, the host to Can not find the appropriate display, but this does not affect use. If the first pin in question 13,14, the display will appear black, the display lights in the boot from green to orange after a while. Also appeared in one of the black screen. 4. Open the case to check the display card is installed correctly? Insert the motherboard Slot is a good contact? Video card or slot is too long and the use of too much dust, as well as causing poor contact? Whether the chip on the graphics card burned, traces of cracking. When the causes for black screen graphics, the computer POST a short time that is four long, "Didi," audible. Graphics card installed, you should hand Hold the upper part of graphics card, even forced into the slot, so that the screw graphics port and port match the main chassis of the screw. Do not force plug is not fixed, resulting in distorted graphics. If the confirmation is installed correctly, you can remove the card wipe with alcohol cotton ball for about pin cheat, or a slot (only for In PCI card) installed. If does not work, can only be a good graphics card for a try the next. If that does not, in determining the graphics intact, they must also consider the graphics card and motherboard compatibility. Best to check the relevant information or ask friends. 5. Check the other boards (including sound cards, Decompression Card, video capture card) Contacts with the motherboard slot is good? Note Check the hard disk drive data cable and power cable connection correct? Replace other card slot, cleaning pins. This is often easy to overlook many people. Generally believed that black screen computer monitors and graphics cards is the issue, and other device-independent. In fact, because the sound Cards and other equipment is not installed correctly, cause the system to be completed in early to make of the difficult, especially in the hard disk drive data cable and power cord to the wrong, the fault likely to cause no display. 6. Check the memory is good contact with the motherboard? Reseat the memory or try another slot, or the replacement of the memory. If If memory problems, the computer starts, there will be a continuous rapid "Didi" sound. Tone varies because of the motherboard. 7. Check the CPU and the motherboard CPU Block access to well? Due to moving or other factors, the CPU socket and then SLOT1 jack or SOCKE370
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