tailieunhanh - Simple Computer Tune-up: Speed Up Your PC- P47

Simple Computer Tune-up: Speed Up Your PC- P47: As more and more software becomes available and computers increase in complexity, problems with performance are cer- tain to arise. If your PC is misbehaving, don’t let it ruin your book explains how to make the best out of your PC by using PC Pitstop Optimize, which cures many PC “sicknesses” with- out the need for upgrading or replacing your existing PC. | 212 Part III Bonus Material Figure 15-12 Ending a task Keyboard Doesn t Respond If your keyboard suddenly stops working it might be unplugged or damaged. Here s what to do 1. Make sure your keyboard is connected to your computer. If not plug it back in and restart the computer. 2. If your keyboard is connected slightly wiggle the connector and make sure it fits snugly into the port. Next restart the computer. 3. If your keyboard uses a PS 2 connector it is possible that the connector has been damaged or has worn out. Look for bent or missing pins on the end of the connector. If some are bent try straightening them. If some are missing you will need to replace the keyboard. Video Game Doesn t Work Correctly A common problem experienced by PC video game users is slow or sputtering graphics. If you experience similar issues here are some tips 1. Refer to Chapter 12 for information on analyzing your PC. After you know what type of hardware and software your PC has you can compare it to the system requirements listed on the game s package. 2. If your PC is not compatible with the game s system requirements you might be able to upgrade some of your hardware Chapter 15 Troubleshooting Computers 213 components. For more information on upgrading a PC refer to Chapter 13. 3. If your PC meets the system requirements refer to the owner s manual or documentation that came with the video game to see if it provides tips on troubleshooting problems. If the manual doesn t list any tips or if you don t have a manual contact the game s manufacturer by visiting its website or calling the customer support number. No Sound Have your computer s speakers suddenly gone silent Then one of these fixes should do the trick 1. If you have external speakers make sure they have been plugged into an electrical outlet and have been turned on usually a light will illuminate to indicate that the speakers are powered up . 2. Check to see if the sound on your computer has been turned down or muted. .

• Phần cứng
• sửa chữa máy tính
• sổ tay phần cứng
• MainBoard
• thiết bị máy tính
• thiết bị mạng
• lắp ráp máy tính
• Phần cứng máy tính
• lỗi máy tính
• hệ thống mạch máy tính
• điện máy tính
• Tài liệu máy tính