It is very difficult to diagnose any issues related to power supplies in computer. When a power supply does not provide enough power to the hardware components of a computer then there occur issues like shutting down of PC in a random manner or shows anomalous behavior.
Tracking of the issues need some expensive tools to diagnose the troubleshoots, but its worth as it saves from causing any damage which would have either occurred and could have been harmful for the computers or the organizations.
The unstable power supply might show some symptoms which can vary. If the video card is provided with less power then it can cause artifacts in screen or can cause video crashing. If the hard drive lacks in power supply then it might show symptoms same as caused by any virus. If there occur many sudden issues in your computer which seem unrelatable then you can detect the viruses or any other common issues. This shows that power supply is way out.
If the load is much higher then there is a chance of power supply failure or instability. The most important components of a computer are CPU and graphics processor. If these components are loaded or given less or more power supply, then there occurs failure. The businesses or tasks like programming or designing gives much time to these components due to which they sometimes get over loaded or require some more power to carry out the tasks.
If you have a graphic card which takes maximum power in watts and the power supply doesn’t have 6pin or 8 pin connectors then you can try using convertors or any adapters which would help to supply power to your graphic card. The SATA connectors can be used for the 8 pin connectors as they prevent the possible chance of the burnout of your hardware components or graphic card. otherwise, your graphic card will take more power as the load is higher or overclocking is caused.
Hence it is important to opt the Modular power Supply for your CPU, GPU and graphics card because if the power supply is not powered properly then it would not be adequate for your graphics card. This would cause many restart issues along with burning of components and video cards of your system. Contrary to this getting a power supply with extra power would not be of any use to you and result in wastage of money. This is because the PSU depends on the power connectors that are needed to be connected with the graphic card.
If you do not have adequate current in the power supply then the performance is affected and the end result would be burning of your power supply thus causing damage to the components. I have discussed this all because sometimes there are many power supplies having high watts but the current is low. So, you must avid cheap power supplies having low currents.