PC Video Card Problems
Wednesday, October 14, 2009
Instructions
Drivers
Step 1:
Cards added to a PC motherboard require a particular type of software referred to as a driver. The driver software enables low-level communication between the card, the motherboard and the computer's operating system. If a computer's operating system does not recognize a PC video card, finding the correct driver may resolve the problem. Device manufacturers often provide up-to-date drivers on their websites.
Installation
Step 1:
A system's motherboard generally includes expansion slots so that the user may add expansion cards such as video cards. If a user does not insert a video card into the expansion slot correctly, the motherboard will not recognize the device. Each pin on the expansion card must come into direct contact with the connector on the expansion slot. Reseating the video card correctly resolves the installation problem.
Monitor
Step 1:
Video cards specify the types of monitors with which they are compatible. This is because some video cards deliver video signals only at particular resolutions, such as 1280 by 1024, or at particular frequencies. If the video card is delivering a video signal at a resolution or frequency that the computer's monitor cannot display, the monitor may remain blank, may show static or may show rapidly rolling colors. Matching video cards and monitors correctly resolves this problem.
Software Applications
Step 1:
Software applications, such as DVD-playing software or video games that are graphics-intensive, can conflict with particular video cards. Video card manufacturers sometimes list applications known to create conflicts, and software application vendors sometimes list particular video cards with which the software conflicts. When video card issues arise, searching out software application conflicts can point to potential resolution options.
Malicious Code
Step 1:
Malicious code may at times delete key system files to cause inconvenience to the computer's owner. Because system files, such as video and drivers, are essential to a computer's operation, malicious code often targets those files. When malicious code has altered or corrupted a video card's drivers or other system files, restoring those files from backup or from an uncorrupted source, such as an operating system CD, can resolve the issue.
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