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| PDF Title : | CompTIA A+ Complete Deluxe Study Guide, 2nd Edition |
|---|---|
| Total Page : | 1227 Pages |
| Author: | Emmett Dulaney, Quentin Docter, Toby Skandier |
| PDF Size : | 25.4 MB |
| Language : | English |
| Source : | indianpdf |
| PDF Link : | Available |
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CompTIA A+ Complete Deluxe Study Guide, 2nd Edition
Power supply problems can manifest themselves as a system that doesn’t respond in any way when the power is turned on. When this happens, open the case, remove the power supply, and replace it with a new one. Partial failures, or intermittent power supply problems, are much less simple.
A completely failed power supply gives the same symptoms as a malfunctioning wall socket, uninterruptible power supply (UPS) or power strip; a power cord that is not securely seated; or some motherboard shorts (such as those caused by an improperly seated expansion card, memory stick, CPU, and the like).
You want to rule out those items before you replace the power supply and find you still have the same problem as when you started. Be aware that different cases have different types of on/off switches. The process of replacing a power supply is a lot easier if you purchase a replacement with the same mechanism.
CompTIA A+ Complete Deluxe Study Guide, 2nd Edition PDF
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