A system’s BIOS is robust and rarely causes trouble, but when it does, a good tech must be ready to troubleshoot. Understanding a few simple tricks can make troubleshooting easier.
one of the last places we're going to be looking … is on your onboard firmware. … This stuff is like a tank, … and as long as you don't abuse it, … I've had thousands of systems that I've serviced, … that over their entire life, … I never ever once had to deal with problems with the bias. … I've gone into bias, gone into system set up a lot, … because the problem we run into … is that this stuff's been around so long … that we're kind of suffering from things that were true … 30 years ago even today. … Let me give you an example. … First of all, here's a picture of one of the first firmwares … on any motherboard ever made. … You'll notice that it's two chips, … one of these chips, the shiny looking one, … that chip is actually what we call a EE Prom. … It's a programmable, read only memory. … So it's made once at the factory. … They stamp it into the motherboard, … and that never changes. … So if you ran a system set up, … you had to use that other chip. … This other chip is known as a real time clock …
- Troubleshooting firmware
- Installing a motherboard
- Basic electrical terminology
- Mounting and choosing a power supply
- Cooling your PC
- Quickly troubleshooting power supplies