Sales and Inventory

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PC Hardware
Computer repair companies specialize in troubleshooting, servicing and repairing a wide variety of hardware and software-related personal computerissues and computer network problems. Issues that typically require computer repair include failed hardware components, software bugs, driver incompatibilities, spyware and malware problems, network connectivity problems, operating system upgrades, and complete computer overhauls. When faced with the need for computer repair, options include do-it-yourself solutions, technical support help, computer repair stores such as BestBuy's GeekSquad, and remote computer repair services.

PC Upgrade
Once you've determined the type of desktop system you want--a compact PC, a budget system, a mainstream all-purpose model, or a performance crackerjack--you need to know what components to look for. The processor and graphics card you choose will determine many of your machine's capabilities, as will the system's memory and hard drive. Understanding those components will help you get the performance you need, without paying for things you don't. (Our holiday buying guide includes further shopping tips for purchasing a desktop PC.) You'll also want to consider details like the layout of the case, which can make the difference between a pleasant workstation and a nightmare PC. Processor

The CPU is one of your PC's most important components. The processor you choose is likely to have a major impact on your PC's shape and size, and it will definitely influence its price. Generally, the higher the CPU clock speed, the faster the performance you may see--and the higher the price. A 3.4GHz Core i7-2600 PC will trounce a 3.10 GHz Core i3-2100 system, but you'll pay nearly twice as much for the faster CPU. Another spec to watch is cache size: More is better, here: Core i3 parts have 4MB caches, Core i5 parts have 6MB caches, and performance-geared Core i7 chips have 8MB caches. Compact PCs and some all-in-ones use relatively...
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