Troubleshooting a computer (Part II)
In our previous blog, we discussed how a computer "lifts" itself from its bootstraps by undergoing a diagnostic test before it comes on after pressing the "power on" button. This diagnostic test involves ensuring all resources are in the right place to aid the booting process. Booting was later defined as loading the Operating system into the PC's RAM (Random Access Memory).
Just imagine this scenario, "you have a desktop computer or a tower and all cables are securely in place and have been connected to their appropriate place/sockets on the motherboard and desktop case". You press the "power on" button on the desktop/tower and nothing happens. You only see the monitor's power-on-light and also the desktop light but no operating system is loaded onto the monitor screen and you hear a beeping sound. Your guess is as good as mine.
We first have to check whether the RAM (there are different types of RAM in a desktop) is securely fixed onto the motherboard. If it is not tightly fixed, we open the motherboard and fix it. After this is done, we press the "power on" button again and retry the "power on" process.
Firstly, we have to look at the memory (RAM) if all conditions are met such as the motherboard having all cables securely fixed in their respective place. We are being mindful of the fact that we are talking about a desktop computer.
There are other ways to check why a computer won't turn on and these are just a few;
1. The power cable is not securely fixed into its socket on the desktop. This power cable is what connects the mains (electrical system) to the desktop.
NB: The head of the power cables are designed based on the electrical manis/system being used in that country. The Brits have a different design and style. This "head" is the South African type.
2. The cables of the power supply are not securely fixed on the motherboard.
Daniel Kwasi Kpeglo
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