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Computer Troubleshooting

Computer Troubleshooting

Learn everything you want about Computer Troubleshooting with the wikiHow Computer Troubleshooting Category. Learn about topics such as 17 Reasons Screen Mirroring Isn't Working (And How to Fix It) , Getting a "Start PXE Over IPv4" Message On Boot? Here's How to Fix It , Why Secure Boot Can't Be Enabled on a PC or Laptop & How to Fix it , and more with our helpful step-by-step instructions with photos and videos.

Articles about Computer Troubleshooting

17 Reasons Screen Mirroring Isn't Working (And How to Fix It)
Expert

Getting a "Start PXE Over IPv4" Message On Boot? Here's How to Fix It
Expert

Why Secure Boot Can't Be Enabled on a PC or Laptop & How to Fix it
Expert

Complete Guide to Troubleshooting a PC: Steps, Tools, & Tips
Expert
How to

Fix No DP Signal from Your Device on PC or Mac
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How to

Find out How Long Your Computer Has Been On
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What to Do When Your Samsung Tablet Won’t Power On
Expert

Low Level Fatal Error Playing Games? Here's How to Fix It
Expert
How to

Diagnose a Computer Problem
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How to

Fix High CPU Usage

VGA Light on Motherboard: Troubleshooting Guide + Easy Fixes
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Simple Steps to Fix a Keyboard Typing in All Caps
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How to

Stop USB Connection Sounds on Your Windows Computer
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6 Easy Solutions to Fix Discord If It Goes Blank
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7 Ways to Log Into a Windows PC with a Forgotten Password

Troubleshoot a Broken Fn Key (and Problematic Function Keys)
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How to

Fix a PC That Won't Boot
How to

Fix an I/O Error on Windows: 12 Troubleshooting Tips & Tricks

MacBook Pro Won't Turn On: 10 Troubleshooting Tips to Try
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How to

Fix Your Computer When It Freezes Randomly
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7 Quick Ways to Fix a Lenovo Yoga Screen That Flickers
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How to

Identify and Resolve Hardware Failure Issues
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Troubleshoot a Second Monitor That's Not Detected on Windows
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9 Ways to Fix "System Thread Exception Not Handled" Windows Error
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10 Ways to Fix the Driver Power State Failure Error on Windows
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How to

Troubleshoot Computer Startup Problems
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How to

Fix "WHEA Uncorrectable Error" on Windows 10/11
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How to

Figure Out Why a Computer Won't Boot
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Your System Has Run Out of Application Memory: Troubleshooting
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