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Compaq 505B Power Supply
Purchasing a new Compaq 505B power supply is quite simple as long as you have the old one for making size comparisons. The PSU, or power supply, is responsible for powering the hardware in the computer. Try to replace an old power supply with a similar wattage or bigger. It is not too difficult to install a power supply in your Compaq computer. Never go with the cheapest power supply as it is the only thing between the outside power grid and your delicate internal Compaq components.
Simple indications of an unhealthy PSU
- You notice burning plastic inside the power supply
- Computer will not power on
- System shuts down while under a taxing load
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