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Ask a PC expert: Should you upgrade your Core i7-2600K?

PCWorld CPU guru Gordon Mah Ung explains who should and shouldn't upgrade their workhorse Intel Core i7-2600K processor, and which CPUs to replace it with.

full nerd ask a pc expert

Ask a PC expert: Why are there so many PC hardware launch supply problems?

PCWorld CPU guru Gordon Mah Ung explains why so many flagship PC hardware launches suffer from supply woes, then digs into whether or not you should preorder parts to avoid the headache.

full nerd ask a pc expert

Ask a PC expert: Is air cooling or liquid cooling better for your CPU?

PCWorld's CPU guru Gordon Mah Ung breaks down the pros, cons, and common misconceptions about air coolers and closed-loop liquid cooling.

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Worst DNS attacks and how to mitigate them

DNS threats, including DNS hijacking, tunneling, phishing, cache poisoning and DDoS attacks, are all on the rise.

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11 little-known iPhone features you should start using

iOS is packed with lots of cool little features that don't get the love they deserve. Here are 11 of our favorites.

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