What does it mean that the format does not support 40

First of all, you have to understand what a format is, which is a feature, a computer-recognized mark, which is generally used. **Suffix to denote, such as your Qianqian Jingting.

Recognition is in ** format.

Like what. ***，.wma...

Wait, but if you listen to it with a thousand thousand quiets**. txt text file, it won't be **, because it doesn't recognize, of course you change the txt file yourself. That can be recognized, but it will indicate that there is an error in the file, and some software or devices have their own specific format and must be opened with the specified software.

All have one effect, then there is no need to distinguish so many formats, just use one, the format is not supported, you can understand that your file is not supported by your device or software, you understand what it supports, you can convert to the format you want, and then open it, but the conversion can only be the same kind of conversion, I hope it can help you.

Each file has a format (fixed suffix).

Every time a file is read, the software's tool has the type of format it can read.

To read a file, the software's tools mainly identify whether it can be read through the fixed suffix of the file.

Decide well,. Thank you!

That is, your software can't open the file you want to open. The files are again type-separate

That is, the file you want to open cannot be opened by the software of your choice.

The software you are using does not support the file you want to open.

Can you answer the question by asking the question?

Please tell us the format of your file, and then let you tell you what software to open it with!

1. Mobile phone settings-security-unknown** tick;

2. Check your phone's memory.

whether there is enough storage space; , connect the data cable to transfer to the phone, operate the phone in the app.

I found the installation package in my file, and after running it, click the install button;

File format. (or file type.)

It refers to the special encoding method of information used by computers to store information, and is used to identify internally stored data.

For example, some store **, some store programs, and some store text information. Each type of information can be stored in computer storage in one or more file formats.

For hard disk drives or any computer storage, there are only two types of valid information: 0 and 1. Therefore, the computer must be designed to carry out information-bit conversion in a corresponding way. There are different storage formats for different information.

Some file formats are designed to store special data.

For example, the JPEG file format in an image file is only used to store static images, while GIFs can store both static images and simple animations;

The QuickTime format can store a number of different types.

Text-based files include: txt files generally only store simple and unformatted ASCII or Unicode text; html file.

You can store formatted text; The PDF format allows you to store informative, lucrative text.

Processing the same file format with different programs can produce very different results.

For example, in a word file, when using Microsoft Word, you can see the content of the text, but in the unformatted way, it is noise. One file format will produce meaningful results for some software, and for others, it will be like useless digital garbage.

Because of different file types, it is not the same to use the application software to open it. So it's not like just because it's a legitimate file type and all the other apps will be able to open it. For example:

docx file type, you can only open it with a higher version of MS Office, and you can't open it with an earlier version of Office. Another example:

In various other formats, sometimes opening it with the wrong application will show a bunch of garbled characters instead of the correct file contents.

First, this situation is related to the resolution and refresh rate of the output image of the graphics card.

1. One case is that the resolution set in the system is higher than the highest resolution supported by the monitor.

2. Another situation is to set the refresh rate to be higher than the nominal maximum refresh rate of the monitor, if it is an LCD monitor, please change the refresh rate to 60Hz, if it is an ordinary CRT monitor, then it depends on what the maximum refresh rate of the CRT display is, and then set the computer to a value that is not higher than the maximum refresh rate.

Second, this situation does not generally occur in Windows XP system. In the Display Properties dialog box, tap the tab "Settings" on the upper right, tap the "Advanced (v)" button, and "Plug and Play Monitor" appears. In a similar dialog, click on the "Monitors" tab, where there is a checkbox that says "Hide modes (h) that cannot be displayed by this monitor", if checked, it is impossible for the user to set the resolution and refresh rate to parameters that are beyond the range of the monitor.

Otherwise, if you remove the tick and make sure it's OK, this situation may occur.

Solution: Restart the machine, press F8 to enter the system boot option, select "VGA display mode" to start, then set the resolution and refresh rate to the values supported by the monitor, and reboot it. It should be noted here that some motherboards (such as ASUS) just turn on the F8 function key is to select the boot device, so press the F8 function key not too early, and press it when the system is about to boot, that is, press the F8 key after the end of the self-test process in front of the display of English, in order to activate the system boot option.

Fourth, if you still can't solve the problem, or select the above startup item to enter, then find the device manager, delete the graphics card device, and then restart the machine. After the machine restarts, the system will definitely prompt you to find new hardware and need to install drivers. Just install it.

Restart the computer to safe mode--> Right-click on my computer--> Properties--> Hardware--> Hardware--> Click on Device Manager--> Open the graphics card--> Delete the graphics card device under the display card--> Restart the computer after confirmation.

5. After the computer is turned on and wait for a period of time, it is estimated that the computer has entered the desktop, move the mouse to the far right of the screen (because this side is usually blank), click the right mouse button, press the R key, press the Tab key 4 times, press the right arrow (4 times, press the tab key once, press the left button A few seconds later, release it, press the enter key. Or after the computer is turned on and wait for it to enter the desktop, try to lean the mouse to the right, because the right side is generally empty, click the right mouse button, press the C key, press the Tab key 2 times, press the Enter key, press the downward arrow ( ) many times, press the Enter key (Enter), press the Alt + A key (press the Alt key first, and then press the A key), at this time the screen should be displayed.