There are several sites that provide solutions to troubleshoot computer problems. Cnet, Pcsupport and Worldstart are good places to present your problems and get tips and answers.
Event Viewer
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Troubleshooting using the OSI model requires a working knowledge of the various layers and the actions undertaken at each. the above link is a resource i use frequently when probing issues on customer networks designed using the OSI framework.
I'm not sure if this website has a whole long of practice problems, but it should be pretty useful for a 7th grader.
TCP IP utility was the most useful when troubleshooting for a few reasons. It contains important information like NetBIOS over TCP IP and there connections.
Spyware provides you useful imput about your computer's operation and protects you against virus problems
that run in the background to put stress on driver as they are loaded and running . when the problem occurs, a STOP error is generated so you can identify the problem driver. the tool is useful for troubleshooting problems that are not easily detected by other means.
One can read reviews of computer backup services online on websites, such as CrashPlan+, Backblaze, Mozy and Carbonite. Computer backup services are useful for backup of important files.
POST stands for Power On Self Test. Basically, the computer checks itself for hardware and software problems. If it doesn't detect anything, it boots. If it does, it won't boot. This is useful because before boot is the only time the computer remains in the BIOS, so it is a way the computer checks the BIOS without the user having to do anything.
Generally speaking, a 2004 Dodge Ram 1500 fuse box diagram can be found inside the fusebox. The information in it pertains to which fuse corresponds to which part of the vehicle, which is useful when troubleshooting problems.
A computer mini vacuum is useful as it allows you to hoover all of the dust and dirt from the keyboard and the monitor and ensures that the computer is dust free. Dust can cause problems for computer circuits so its recommended to hoover your pc regularly
There are many name meaning websites out there. See the Related Links for some of the most useful ones.