tailieunhanh - CompTIA A+ Complete Study Guide phần 9

Bất kể lý do của bạn, nếu bạn đang đi để được bên trong một máy tính, bạn luôn cần phải nhận thức được các vấn đề an toàn. Không có cảm giác mình bị tổn thương hoặc bị giết theo nghĩa đen. Một hậu quả khác của công nghệ hiện đại là khả năng tác hại đến môi trường. | Troubleshooting Windows 723 as a starting point for troubleshooting a computer. Here are the diagnostic utilities you can expect to see on the A technician exams Bootable media Startup modes Documentation resources Task Manager Device Manager Event Viewer MSCONFIG Recovery CD recovery partition Remote Desktop Connection and Assistance System File Checker SFC Several of these resources are covered in this section. Startup modes are discussed in the Advanced Startup Modes section earlier in this chapter. Task Manager Device Manager Event Viewer and MSCONFIG are talked about in the System Management Tools section earlier in this chapter. Remote Desktop Connection and Assistance is covered in the Remote Desktop Connection and Assistance section earlier in this chapter. Bootable Media In the old days of computer troubleshooting one of the items that every technician needed to carry was a bootable floppy disk. When CD-ROMs became common you made sure that your floppy had the CD-ROM drivers on it too because operating systems and their installation files were being offered on that media as well. Today it seems fewer and fewer computers even have floppy disk drives. And most if not all of today s computer BIOSs are capable of booting from the CD-ROM or DVD drives. The moral of the story is even though technology has changed the fundamental reason we carried and still need to carry bootable media has not. If the operating system won t start but the computer appears to POST just fine you need to somehow find a way to figure out exactly what s wrong. Booting to a command line or to an installation program gets you a step closer to solving the problem. I would still recommend carrying a bootable floppy disk just because you never know when you ll need it. It s also a good idea to carry bootable CD-ROMs of popular operating systems such as Windows 98 Me 2000 and XP. Documentation Resources Whenever troubleshooting always consider the use of the following resources. User .

TỪ KHÓA LIÊN QUAN
crossorigin="anonymous">
Đã phát hiện trình chặn quảng cáo AdBlock
Trang web này phụ thuộc vào doanh thu từ số lần hiển thị quảng cáo để tồn tại. Vui lòng tắt trình chặn quảng cáo của bạn hoặc tạm dừng tính năng chặn quảng cáo cho trang web này.