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Computer beeps convey a message to you

By: Lisa Reese

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One beep from your computer at startup can style your unbroken day. Just ask anyone that has turned on the PC and suffered the agony of some beeps and so therefore not anything.

When you obtain a computer, it will make your mark together with 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 capacity 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 in the course of all the components and peripheral plans attached to the computer. CMOS (complementary metal-oxide semiconductor), restrain the data that is accessed by the BIOS set of contacts. Basically, the CMOS is the explanation that you be able to unplug your computer and keep hold of the startup and BIOS information. CMOS is maintained on the motherboard in an always-on state supported by a battery installed on the chief board.

To a large extent like the human mind, at what time we wake up in the morning our mind remembers that we have eyes, ears, a nose and so on. We recognize the town we live in. You be capable of go to job, stop by the post office, the grocery store and back home exclusive of having to use up time perusing a map for directions to each one. Your computer works a good deal the same way.

How the BIOS work?

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 needs and components of the motherboard. While there are a number of BIOS manufacturers, the two most trendy are AMI (American Megatrends Incorp.) and VIA. BIOS simply put, is a program and not an authentic device. It is the software that informs the computer at startup of all the devices (input and output) close to the PC.

The BIOS also lets you appreciate when there is a crisis. It accomplishes this by checking for known devices and makes sure they are still attached. When the BIOS notice 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 ascertain. The BIOS sends a series of beeps to the onboard PC speaker to report to you of the problem.

How do I go through 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 with reference to the input/output devices to the CPU. If you turn on your computer and nothing happens at all, the unruly is possibly in your power supply (this assumes that you have it plugged in properly). The BIOS is doubtless 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 up the boot procedure.

There are three ways to change and/or fill in the BIOS. Unlike ROM (read-only memory) the EPROM BIOS can be changed or updated. The dub for changing the EPROM software is referred to as flashing. You may perhaps have over heard someone say to they need to flash the BIOS with a new update. Do not worry if you have not at all heard this, well, maybe you should nervousness a little. Computer components transform on a day after day basis and the BIOS needs to be lithe enough to be able to change with them. All computers tolerate 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. Naturally this hotkey is the F2 key, the Del (Delete) key and in some cases the F1 key or a mixture of keys. Launch your computer and watch the bottom left corner on the screen. This should let you go through which key to press to enter the BIOS setup. The BIOS setup, sometimes called the CMOS setup, allows the user to get into changes on the fly and save them.

Changing the erroneous settings can render your computer useless. There, we warned you twice, that is because we want you to reason 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 insure the BIOS conform to new equipment and standards. You can normally obtain 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 explicit BIOS. Always chase the manufacturer's information exactly. The third way is replacing the BIOS chip. Replacing the chip could be your only recourse and should be left to expert computer repairmen.

How do I identify which BIOS I have?

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

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