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This really depends on what's wrong with your computer. The first step would be to check if it's hardware or software, try a restart, and then troubleshoot using your computer. If you think you have a virus, download a virus scanner (a trusted one, such as AVG), a registry cleaner (CCleaner, for instance), and a malware cleaner (Malware Bytes) to cover your bases.

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9y ago
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10y ago

Check the AC outlet for voltage

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Q: What is the first step in diagnosing a computer that was working well just a day before?
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What is the first step in diagnosing a completely dead computer was working fine the day before?

Check the AC outlet for voltage


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