PC Help Center

General

• Can I use a wired and wireless device on the same network?
• What is the difference between 32-bit and 64-bit?
• What causes high CPU usage and how can I reduce it?
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Hardware

• How important is a backlit keyboard?
• What is the safe operating temperature range for a computer?
• What is the hidden SSID of my Wi-Fi router?
• More...

Software

• How do I create a sleep shortcut in macOS with a third-party keyboard?
• What is the difference between Windows 10 Home and Windows 10 S?
• How do I take a screenshot of a window in macOS without a shadow?
• More...

Storage

• Should I defrag my SSD?
• Why can't I use all the space on my storage device?
• What does "bits per die" mean?
• More...

Displays

• How do I connect a mobile device to my TV?
• Why can't I connect my laptop to a TV using a VGA cable?
• How do I connect my laptop to an HDTV?
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Laptops

• Why does my laptop fan turn on?
• Do I need a cooling pad for my high-end laptop?
• Should I get a Chromebook or a laptop?
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Internet

• How do I activate Multi-Gig Internet with Ethernet port aggregation?
• Will minimizing or hiding my browser window affect my download speed?
• What does the letter "L" mean in an email message?
• More...

The Web

• How do I disable my browser's pop-up blocker?
• Why won't Java applets run in my Web browser?
• What are environment variables used by Web servers?
• More...

Email

• What is the difference between "email" and "email account?"
• Why does Apple Mail hang in OS X 10.10 Yosemite?
• Why do question marks show up in my emails?
• More...