Lenovo S720 s display blue flashes and flashes what the problem is

Hello dear users:

We apologize for the inconvenience! It is recommended that you first confirm whether the device is currently in normal boot and can enter the interface of the system.

1.If it appears under the interface of individual software, it is not excluded that the software is abnormal or caused by compatibility, first of all, please go to System Settings - Applications - All, click on the software to clear the data, if it is invalid, it is recommended to uninstall and reinstall or replace other software of the same type for use;

2.If Lenovo Power Saving (Lenovo Power Saving) and other software are installed on the body of your product, please check whether the relevant screen energy saving settings are turned on, and turn them off for observation;

3.If the fault occurs recently, it is recommended that you back up the fuselage data and perform a factory reset operation (Main Menu - System Settings - Backup and Reset - Factory Reset);

Inquire about authorized maintenance sites on the official website.

It's possible that something is wrong with the monitor.

There are generally several reasons for this:

1. It may be that the input voltage is unstable, and the graphics card driver or display hardware is faulty.

2. There is electromagnetic interference near the display, such as mobile phones, motors, and stereos that are too close.

3. The screen is in poor contact, and the brightness of the screen should also be noted, not too bright, first adjust the brightness and contrast to the lowest, and then adjust the contrast to 50%, and adjust the brightness slowly until you can see the content on the screen clearly.

The solution is as follows:

1. Find a good monitor, connect the display to the computer, boot the test, if the external monitor does not have a pink vertical line, the problem is on the screen of the branch sock notebook, the screen may be broken or the screen line is not in good contact, it is a hardware problem, and you can't solve it.

2. If the screen line is not in good contact, you can gently tap the back of the notebook with your hand to make the screen line better contact.

4. If you know more about the notebook, you can disassemble it yourself, plug the screen cable back in, and install it back to try it at boot. (The computer is still under warranty, and it is recommended to disassemble it by yourself).

5. If the above steps cannot solve the problem, it is recommended to send the notebook to the after-sales service to find a professional to help deal with it.

There will always be various reasons for computers, and it is very common for the computer screen to flash and flash, so what is the reason for the notebook monitor to flash and flash? Here's why my carefully organized laptop monitor is flashing and flashing, let's take a look.

If the computer flashes and flashes, it may be that your computer is in poor contact, and then it may be the wiring problem you said, you just need to check whether the power supply is connected properly and plug it back in.

At this time, it may be that your refresh rate is not enough, you only need to click the right mouse button and click multiple times to refresh.

The computer is interfered by the external magnetic field, causing the display to shake, and the screen will flicker, so check the interference signal first, and then stay away from the interference source.

If it doesn't work now, it may be your fan problem, the computer has been used for a long time, the fan needs to be cleaned, if you can't, you can take it to the after-sales service or a friend to help you.

Method 1 Poor contact and signal interference, when our plug is in poor contact or there is interference next to it, the computer screen will flash and flash, then we need to check the line, re-plug the connector, and stay away from the interference source.

The screen refresh rate is too low, and when our refresh rate is too low, it will also cause the screen to flicker, so we just need to right-click on the desktop, select "Refresh", and operate a few more times.

The power supply voltage is too low, and the voltage of the circuit is too low during the peak of electricity consumption or when the high-power appliances at home are running too much, and the voltage of the circuit is too low, which will also cause the computer screen to flicker.

Hardware problems, when our hard disk has a problem or the computer configuration is too low, is also the cause of the computer flickering, then we need to change the computer configuration, or replace the computer.

Method 2: Right-click the mouse button on the desktop and click Properties to enter the Properties Settings page.

After entering the property setting option, click the settings tab to enter the settings tab page, at this time, you can see an advanced button at the bottom right of the tab, click to enter the advanced settings.

Once you're in the Advanced Settings tab, tap on the Monitor tab and select the screen refresh rate to 75 Hz. It's important to note that 60 Hz doesn't mean that there will be a flash. end setting problem solution 2 This method will only be used when the first method cannot be completed, first good graphics card driver.

Right-click on My Computer, select Manage Options, and enter the Computer Management Settings page. Click System Tools ---Device Management --- Display Card, and double-click the interface under the Display Card to enter the settings options. After entering the graphics card settings properties, click the Driver tab, and then click Update Driver at this time, and the hardware update wizard steps will be displayed.

Select Install Software Automatically in the Hardware Update Wizard, click Next, wait for it to finish, and click Next - Done. Can.

1. Subject to external interference.

Due to the strong electromagnetic interference in the vicinity of the display, such as electric sparks and high-frequency electromagnetism, etc. If the intensity of interference is very high, it will cause the entire screen of the monitor to produce white horizontal streaks; If the intensity of the interference is not high, it can be characterized by a severe change in one corner of the display.

2. The service life of the display is too long.

If the internal capacitor is too old, it will deteriorate and fail, resulting in too slow start-up, a dull screen, and blurred fonts. You can try replacing the aging capacitors.

3. The display resolution is set improperly.

You can go to Safe Mode, reset the display mode of the monitor, and then restart the computer.

Lenovo is a well-known brand in China, the world's third largest personal computer manufacturer after Apple and Acer, and ranked among the Fortune Global 500, the fastest growing among the world's top five computer manufacturers. Lenovo Computer is mainly engaged in personal computers, smartphones, etc. The production is specialized, assembly line operation, the factory pass has undergone strict quality control, and the professionals are responsible for the standardized testing of Yanxin Lage in electromagnetic interference, high and low temperature, radiation, etc.

Lenovo is the world's third-largest PC manufacturer, second only to Apple and Acer, and is listed in the Fortune Global 500, the fastest growing among the world's top five computer manufacturers. Since 1997. Lenovo has been the No. 1 seller in China's domestic market.

It now accounts for more than 30% of China's personal computer market.