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One beep from your computer at startup can style your intact day. Just ask anyone that has turned on the PC and suffered the agony of some beeps and therefore not anything. When you obtain a computer, it will make your mark by means of the BIOS (Basic Input/Output System), pre-installed on an EPROM (Erasable Programmable read Only Memory), chip on the main/motherboard. When you initiate your computer the CPU (Central Processing Unit), sends inspection of the PC to the EPROM BIOS. The BIOS is section of the POST (Power-On Self Test) of the computer. Once the BIOS receive the go ahead since the processor it starts its magical journey over all the components and peripheral procedure attached to the computer.

Each computer comes pre-loaded with the BIOS on the motherboard. Motherboard manufacturers work long hours with BIOS manufacturers to make sure the information in the BIOS is certain to the requirements and components of the motherboard. Although there are a number of BIOS manufacturers, the two most popular are AMI (American Megatrends Incorp.) and VIA. BIOS simply put, is a program and not a genuine device. It is the software that informs the computer at startup of all the devices (input and output) attached to the PC.

The BIOS also lets you appreciate when there is a riddle. It accomplishes this by checking for known devices and makes sure they are still attached. When the BIOS reveal a problem it sends a series of beeps to the motherboard speaker. This series informs the user of what the problem is, at least as well as the BIOS can control. Let's say your video card has gone the way of the XT model computer, the BIOS senses that it has died or is not installed. The BIOS sends a series of beeps to the onboard PC speaker to notify you of the problem. Pretty trouble-free. The problem is that no manufacturer of BIOS uses the unchanged beep series. This is why it is important for you to live through the BIOS software manufacturer for your certain PC. We will vindicate how to find this out in a while.

How do I be familiar with if the BIOS are working?

That is simple, if your computer starts and you get a single short beep, the BIOS is working and has found and relayed the information vis-à-vis the input/output devices to the CPU. If you turn on your computer and nothing happens at all, the riddle is probably in your power supply (this assumes that you have it plugged in properly). The BIOS is probably still working but the computer can’t start because of a power problem. If all is well, the BIOS will find all the attached input/output devices, fire a single short beep to the interior speaker and the computer will set off the boot process.

There are three ways to change and/or bring up to date the BIOS. Unlike ROM (read-only memory) the EPROM BIOS can be changed or updated. The time for shifting the EPROM software is referred to as flashing. You may possibly have over heard someone say with the purpose of they need to flash the BIOS with a new update. Don’t worry if you have not at all heard this, well, maybe you should disquiet a little. Computer components transform on a day by day basis and the BIOS needs to be compliant enough to be able to change with them. All computers set a limit the user to change the BIOS software and how the computer reacts to input/output devices. The standard is to offer the user a way in to the software using a hotkey at startup. Unexceptionally this hotkey is the F2 key, the Del (Delete) key and in some cases the F1 key or a blend of keys. Launch your computer and observe the bottom left corner on the screen. This should consent to you know which key to press to enter the BIOS setup. The BIOS setup, sometimes called the CMOS setup, allows the user to compose changes on the fly and save them.

Let's say you added an external modem to your PC on Communication serial port number 1(Comm1), and no matter how many times you install the drivers, you cannot get the PC or Windows to comprehend it. Likelihood is that the BIOS do not know that the modem exists. Entering the BIOS setup and changing it to let the use of Comm1 will stick the problem and give permission the PC know that a device exists on that port. This is the most customary use of the BIOS setup and also the easiest to sort out.

Changing the inappropriate settings can render your computer useless. There, we warned you twice, that is because we want you to judge twice before you change the BIOS. Second is the Flash BIOS update from the manufacturer of the BIOS. This is a software program that the manufacturer of the BIOS sends out periodically to cover the BIOS conform to new equipment and standards. You can normally get this software upgrade from the manufacturer and sometimes from the motherboard manufacturer. Be careful, be very careful installing the software and be confident that it is for your exclusive BIOS. Always see the manufacturer’s orders exactly. The third way is replacing the BIOS chip. Replacing the chip possibly will be your only recourse and should be left to pro computer repairmen.

How do I understand which BIOS I have?

That also easy, the computer will essentially tell you. If you are fast enough, you will consider it the BIOS name and version on the screen the flash you turn it on. If you are not a speed-reader you can gain access to the BIOS setup and retrieve the information from the setup program. You may also e-mail the motherboard manufacturer and catch which BIOS was installed on that board.

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