Causes and Solutions of computer screen jitter in Win7 System

Causes and Solutions of computer screen jitter in Win7 System

The computer screen of Windows 7 has been shaking, and the sound and program running are normal. This may be caused by screen hardware or improper computer settings, it may also be caused by driver incompatibility. The following describes the causes and solutions for Windows 7 screen jitter.

Cause 1: refresh frequency settings:

1. Right-click the desktop to open the screen resolution, click Advanced Settings, and adjust the screen refresh frequency on the monitor page.

2. check whether there is screen jitter at different frequencies. Screen jitter may occur at a refresh frequency of 75Hz. Increasing the refresh frequency to Hz can alleviate this situation.

Cause 2: hardware fault:

1. If the hardware equipment is disturbed, remove the electrical appliance with a magnetic field around the display.
2. The power supply line is unstable. We recommend that you unplug the power cord and reinstall it.
3. the power supply of the miscellaneous brand or the power supply that has been used for a long time may cause unsmooth circuit and computer screen jitter. It is recommended to replace the power supply with better quality.
Cause 3: audio interference display

Audio devices will emit a large amount of electromagnetic waves, which may interfere with the display to receive signals. We recommend that you move the sound farther away from the screen.

Cause 4: Virus Infection

Some viruses can cause screen jitter, and even some simple scripts can also cause screen jitter and graphic flip. You can use anti-virus software to perform a full scan.

Cause 5: poor contact with the display card

Reinstalling the video card can solve this problem.

Cause 6: screen Jitter Caused by write cache after Win7

Enable the system performance of the control panel and disable write-style cache for all drives in file system troubleshooting.

Cause 7: The original capacitor of the power supply is damaged.

When you open the host, if you find that the size of the largest capacitive component (power filter capacitor) on the motherboard increases significantly, it indicates that the capacitor is faulty. Replace the capacitor to solve the problem.

The above are seven causes and corresponding solutions for Windows 7 screen jitter. We should say that there are many factors that cause computer screen jitter. Only by identifying the causes can we find the best solution.