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What is a warning tone? You should make it clear, there are very few AMI BIOS on the market at present, so you can take a look at the meaning of the alarm sound below to help you solve it.
1 Short: The system starts normally. Congratulations, there is nothing wrong with your machine.
2 Short: General error, please go to CMOS Setup and reset the incorrect options.
1 long and 1 short: There is an error with the RAM or motherboard. Try to change the memory, if it still doesn't work, you have to change the motherboard.
1 long and 2 short: The display or graphics card is wrong.
1 long and 3 short: The keyboard controller is wrong. Check the motherboard.
1 Long 9 Short: Motherboard Flash RAM or EPROM error, BIOS corruption. Try a different block of flash ram.
Constant ringing (long sound): The memory module is not plugged in tightly or is damaged. If it still doesn't work, you can only replace a memory module.
Ringing: The power supply and monitor are not properly connected to the graphics card. Check all the plugs.
Repeated, short ring: There is a problem with the power supply.
No sound and no display: There is a problem with the power supply.
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Go to the computer and buy a diagnostic card.
It's only a few bucks. Very good to make.
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Does the monitor light up when connected to another machine? If it doesn't light up, the monitor will be broken.
Is it bright to change the monitor? Bad words graphics card problem.
However, if the machine rings, it may be that the graphics card is not plugged in.
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There may be a memory problem, unplug it and try it when you plug it in!!
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Your problem is most likely due to poor contact between the memory and the motherboard, usually due to frequent computer movements, or some other reason. After opening the case, plug the memory back in and you're good to go!
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There is no sound when the computer turns off the display, and there is no sound when the monitor is turned on, what's going on?
The main reason is that in the computer's "Voice Bureau Audio and Audio Setting Gap" settings, there can only be one "Default Device" in the "Default Device" option of "Voice", and which one is selected as the "Default Device" will have a sound, and the others will have no sound. After turning on the computer (you need to turn on the monitor first, then turn on the computer), the computer will automatically recognize the connected device to select the default sound device (that is: normal boot, HDMI output audio is normal), at this time you turn off the monitor, some graphics cards will turn off the default sound device at the same time, and then turn on the monitor, because the computer has turned off the default sound device, there will be no sound.
At this time, you need to manually select it in the "Sound and audio device" settings of your computer, and the corresponding sound device will have sound.
You first look at the color of your monitor's indicator, whether it is orange or green. >>>More
This is usually a problem with the CPU or motherboard.
For example, the CPU is not working, the motherboard is not powered, or only the power supply part is overpowered. >>>More
1. When the computer is first turned on, the screen of the monitor shakes very much, and sometimes even the icons and text cannot be seen clearly, but it will return to normal after a minute or two. >>>More
What to do if the computer monitor has a blurred screen.
If the indicator light of the display is not on, it means that the display is not powered on, you can replace the adapter or replace the monitor to try first, if the display can be displayed normally after replacing it, it means that there is a problem with the previous display or adapter.