Windows® 7 video issues
Are you facing video related issues on a Windows 7 system? Learn the possible reasons and how to fix them
A computer's display consists of three important components: a video card (graphics card or display adapter), the monitor and the video driver. The video card is installed inside your computer. Through the monitor, you can see all the text and graphics your programs display. Windows uses drivers to work with the video devices. The majority of video problems are caused by incorrect, corrupted, or missing video drivers. Incorrect installation of drivers and hardware failure can lead to video problems. External factors can also cause video problems. If you have just installed Windows or changed the video card and are experiencing problems, the most likely cause is an incorrect or missing video driver. Most graphics cards come with a disk that contains drivers and other software. Before the installation of graphics cards, you need to check the information that came with the video card to be sure it supports your current version of Windows.
Given below are different ways to fix the video problems in a Windows 7-based PC:
- Monitor issues
- Update the video drivers
- Multiple monitors
Monitor issues can lead to poor quality display in a Windows 7 system. CRT monitors are often more prone to issues than LCD monitors. The issues can be caused by devices that transmit radio frequencies (RF) or devices that produce magnetic fields such as a motor in an electric fan or by just having a tangle of power cables on or near the monitor. If you have any problem with the monitor, please remove it and install suitable monitor for the system. You also need to update the drivers related to the monitor.
Update the video drivers
Your monitor will have a limited resolution with the corrupted video driver. When Windows is installed, it attempts to identify the hardware it is installed on. If it cannot recognize the video card in your computer, Windows will install a generic video driver. This generic driver usually does not provide the same level of support as a driver written specifically for the graphics card. For fixing this problem, you need to install the correct driver for your graphics card. Visit the video card manufacturer's website to download a driver. You also need to know the make and model of the video card to install suitable driver.
Errors might occur when you have more than one video card from different manufacturers, including video support built into the motherboard of your computer. To use multi-monitor support with more than one video card, all the cards should use the same video driver. It means that using the same video card, or different cards from the same manufacturer. Most new video cards enable you to set up two monitors using the single graphics card. So you need not use more than one card for two monitors.
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