![]() If it's not the plug, it's probably the power supply-the most vulnerable hardware component in your system. Ask the user to pull the plug and reinsert it, citing a need to "check the polarity issues." (Try not to giggle.) You'll be amazed how often users will report, "Hey, that worked." The user might say, "Of course, it's plugged in," but you need to know whether that's the truth. Users often don't check whether their unresponsive computer is unplugged, and when you mention this possibility, they're embarrassed if it turns out to be the cause. Here's an old administrator's trick for dealing with unplugged computers when you're working with a user over the phone. Is the user complaining that nothing's happening when he or she presses the power button? If so, first check the plug. Dark boot definition computer windows#(For the purpose of this discussion, I assume you're using Windows 2000 or later.) Let's walk through the startup process to see what happens at each step and to understand the meaning of any error messages you encounter. Therefore, you're more likely to encounter an OS problem when a system fails to boot. Computer hardware has become more reliable over the years, and-thanks to advanced BIOS features-the computer's ability to track, diagnose, and control that hardware is more robust. But in the days of MS-DOS computers, the POST took longer than OS startup, and hardware was the source of most boot-failure problems. The phrase "boot failure" describes both machine and OS problems. To diagnose and cure such maddening problems, you need to understand how the boot process works. Typically, users report that something untoward happened during the startup process-either during the computer's Power On Self Test (POST) or during the Windows startup procedures. Every network administrator has received calls from users complaining that their "computer won't start"-a nebulous, uninformative phrase that can cause quite a bit of frustration. ![]()
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