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دانلود رایگان کتاب Computer Fundamentals and Troubleshooting

دانلود رایگان کتاب  Computer Fundamentals and Troubleshooting

hardware-troubleshooting-4

Basic Hardware Tips
The troubleshooting tips provided here are to primarily solve an existing problem, not to create a new one.
In case performing a certain action makes you uncomfortable, call in someone with more expertise. And if you do decide to proceed with any of our Advanced Steps, please be careful before proceeding.
Points to remember while troubleshooting
Prior to opening your computer’s case, check to see if the machine’s warranty is still valid. If so, send it back to the manufacturer for repair, as digging around inside the case can
void the warranty.

You may also try calling your PC’s manufacturer for tech support, especially if you’ve already paid for it. Often, tech support can provide quick fixes or will replace faulty components that are still under warranty. Many manufacturers offer online chat, email support, and other options in addition to phone support.

Take the appropriate safety measures, before making any hardware adjustments
First, purchase an antistatic wrist strap and mat. Static electricity can severely
damage your computer’s internal components.

Keep the computer plugged into the wall but the power switch turned off when
working with its internal components.

Remember to hold on to the metal part of the computer’s case when handling any
electrical parts.

Before you reseat, remove, or replace any internal components, arm yourself with a
working knowledge of computer components, what they do, and how they interact with one another.

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