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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 , How to Find out How Long Your Computer Has Been On , 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)

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

Expert

Find out How Long Your Computer Has Been On

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

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Fix High CPU Usage

What to Do When Your Samsung Tablet Won’t Power On

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Diagnose a Computer Problem

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Fix No DP Signal from Your Device on PC or Mac

Expert

Simple Steps to Fix a Keyboard Typing in All Caps

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6 Easy Solutions to Fix Discord If It Goes Blank

Expert

VGA Light on Motherboard: Troubleshooting Guide + Easy Fixes

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Stop USB Connection Sounds on Your Windows Computer

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7 Ways to Log Into a Windows PC with a Forgotten Password

Fix a PC That Won't Boot

10 Ways to Fix the Driver Power State Failure Error on Windows

Expert

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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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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Identify and Resolve Hardware Failure Issues

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Troubleshoot Computer Startup Problems

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9 Ways to Fix "System Thread Exception Not Handled" Windows Error

Expert

Fix "WHEA Uncorrectable Error" on Windows 10/11

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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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Related Topics

Data Recovery

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