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Dell Precision 420 Power Supply
You will not want to cut corners when buying a power supply as it is the only thing between high amounts of electricity and your delicate computer hardware. It is a pretty straighforward job to install a power supply in your Dell computer. It is always a good idea to replace a power supply with the same wattage or larger. Purchasing a new Dell Precision 420 PSU is easy if you have access to the old one for making size comparisons. The power supply in your Dell desktop supplies all the power for the hard drive, motherboard and any other peripherals in the PC.
Major clues your primary power supply has little time left
- The Dell will not power on
- The Dell shuts down while processing a heavy load
- You notice burnt wires in the PSU
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