Holding down the shift key while turning a Mac on will boot it into Safe Mode. Here's how to start a Mac in Safe Mode and use it to diagnose issues.

ZDNET's key takeaways The Black Screen of Death is incredibly annoying, but often easily diagnosed.The most common culprits are outdated software or faulty drivers. With a few quick fixes and basic ...

If you're the designated 'tech person' in your family or friend group, here's how to access a computer from afar, Mac or PC, to see what's going on. Our team tests, rates, and reviews more than 1,500 ...

When you’re asked to help with a tech issue, it’s a lot easier if you can see and control the screen. When you’re asked to help with a tech issue, it’s a lot easier if you can see and control the ...

Try this: Press Ctrl-Alt-Del (and then click Task Manager, if you’re running Windows Vista), then click the Processes tab. Ever wonder what all those items are? You should, especially if you’re trying ...

Speeding up a slow computer can be a challenge, particularly when dealing with older hardware that may be on the cusp of needing an upgrade or replacement anyway. Sometimes, a system simply needs a ...

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It's common for a small business not to have a centralized location; the small business owner saves money by not renting an office space and employees can work in any location they desire. However, ...

For a limited time, the Troubleshooting and Maintaining Your PC All-in-One for Dummies 3rd Edition by Wiley is available for free. This eBook offers easy to understand instructions on how to diagnose ...

Computers are indispensable business tools, if they are working properly. Many small businesses can't justify the expense of a full-time IT position, so the job of trying to get a non-booting computer ...

Tackled in this context is a syncing issue with the Samsung Galaxy Note 8, particularly not being detected or recognized by the computer. And to give you more inputs whenever you’ll encounter the same ...

To find your graphics card: Look for a section called Display adapters and click the arrow next to it. You'll see your GPU listed there. If you want more details, right-click the GPU name and click ...