Innovative technologies are developing today withincredible speed. But new developments give rise to unfamiliar problems, related, as a rule, to tuning techniques. Questions usually arise with beginners or those who, in principle, rarely use a computer. A common problem is the "No Signal" message on the monitor. To fix the situation, it is important to understand the reason. You can do it yourself.
Do not immediately look for a phone programmer ora computer repair technician if the message No signal detected on the monitor appeared. What to do in this case? The first thing to remember is all the latest actions that were taken with the computer. Perhaps when cleaning someone accidentally hooked the cable, the PC was parsed or moved. Children or curious pets can also cause a breakdown. Therefore, the first recommendation is to check all the wires. The problem will be solved very quickly when the cable gets in its place.
It is also often recommended to just restarta computer. The PC can be incorrectly started, do not forget about the hibernation. More details about the latter case - more. It is possible that the problem, in which the computer monitor does not turn on, is eliminated literally at the touch of a button.
On different monitor models, messages may differ. The following inscriptions mean the same problem:
Modern monitors for economythere is an option to automatically enter sleep mode. In this case, the signal may be lost, because of what these and similar inscriptions are displayed. If the computer still does not go into hibernation mode, the solution should be looked for in another.
Also, any of these messages may appear when the computer is turned off and the monitor is running. Typically, a restart system helps.
It often happens that the PC itself is in theoperating condition, and there is no image, and the signal No signal detected on the monitor is lit. What to do in this case, why does the message appear, and what solutions exist for the problem? Causes can be different: from the easiest and fixable independently to complex, when not to do without the help of specialists.
You can try to fix the problem by taking the following steps:
After a successful reboot, you must immediatelyconfigure power management, check the compatibility of games and programs with the capabilities of the computer and set the resolution to the recommended value of the system. In Windows 10, the above settings are in the "Settings" - "System" - the "Display" and "Power and Hibernate" tabs. For Windows 7, the path is as follows: Start Menu - "Control Panel" - "Power Management Schemes". You need to save the changes, and then restart the computer again.
If the monitor writes No signal detected and in this casedoes not show the operating system loading, it is necessary to check all the screen connections to the system unit and video card. The plug may have lost contact with the connector. Then fix the breakdown is simple: you need to insert the plug into the correct position and then restart the computer. If a positive result is not achieved, then you should further look for the reasons why No signal detected on the monitor. What to do and how to diagnose the cause yourself?
The algorithm for troubleshooting is:
The computer turns on, but shows No signaldetected on the monitor? What should I do if none of the previous methods have helped? Those who are confident in their abilities and are not afraid to disassemble the heart of the computer can do the motherboard on their own.
Most likely, the problem lies in the iron, but first you can try to reset the BIOS. There are two options:
When working it is important to remember the safety precautions, do everything carefully, so as not to damage the parts, and before you take any action, you must always disconnect the computer from the network.
Sometimes everything becomes clear even at the openingcovers of the system unit. The cause of the malfunction may be in swollen capacitors. As a rule, in half the case the computer monitor does not turn on exactly for this reason. But even experienced users do not need to solder the details themselves. To entrust repair to the specialists of the service center.
You can try to fix the breakdown withSpeaker is a small device that is connected to the motherboard. Speaker beeps warns of problems with the computer. The list of audio signals and their transcripts differs depending on the computer model: a complete list can be found in the instruction manual for the motherboard.
So, for the diagnosis you will need:
Any method of diagnosis requires attention andaccuracy in work. Do not neglect the safety techniques, and with serious or incomprehensible breakdowns it is better not to repair the computer yourself, but to seek help from specialists.