The title of the computer test problem motherboard BIOS fault repair

computer store news agency computer test now on the computer motherboard generally uses an electrically rewritable BIOS chip, that is, the contents of the BIOS chip can be updated. Memory Repair

Upgrading the motherboard BIOS generally better supports various hardware, such as solving the 2000 problem, supporting large-capacity hard drives and identifying other new hardware, and improving system stability and Running speed. However, if the BIOS is failed, the computer will not start properly. The well-known CIH virus destroys the motherboard by writing a method in the BIOS. Therefore, before upgrading the BIOS, pay attention to the following items: Notebook repair

1. Turn off the BIOS prohibition write switch on the motherboard or BIOS. BOIS fault

2. Back up the BIOS data. First use the format command format to make a system disk, which should also include two files: autoexec.bat and config.sys. Copy the BIOS upgrade program to the system disk, then run it in the system disk. When executing to "Save Current BIOS to File", enter a file name, such as “A:\\OLDBIOS.BIN” All data in the BIOS is stored on the disk to prevent the BIOS data from being restored if the upgrade fails or if there is a problem with the new BIOS.

3, the implementation of the upgrade program and the BIOS data file must match the model of the motherboard, be sure to determine whether the file is complete and reliable.

4, to ensure that during the upgrade process do not power off, you can use UPS to ensure that the power supply continues to be stable.

If the upgrade fails, the easiest and most straightforward way is to find your motherboard manufacturer, or motherboard retailer, for a BIOS chip.

Another method is to have the same model of motherboard as this motherboard, and that BIOS is normal, you can start that computer, after booting the machine, power off the normal BIOS. Plug in the failed upgrade BIO (reproduced from the flash test IT test network, please keep this mark.) S, then run the upgrade program in the system disk that you backed up the original BIOS data, restore the BIOS to the old data, Then shut down, plug the restored BIOS chip back to the original motherboard, try to boot, if it can be started, it means that the recovery is successful, if it is not successful, still find a manufacturer to change it.

Because this method requires a hot-swappable chip, it will not work if you can make a good motherboard, so be careful. Never touch other components and circuits on the motherboard with your hands or tools. If you have little contact with the circuit, advise you not to use this method.

What should I do if the BIOS is corrupted by a virus?

If the BIOS chip is really corrupted by the virus, the best way is to find the manufacturer to replace it. You can also rewrite the BIOS by the method mentioned in the previous article. (title computer exam)

So it is best not to let the virus destroy your BIOS chip, the common method is to find the option for "Update Flash BIOS" in the BIOS settings, set it to Disable, if There is no such option in the BIOS. There is also a jumper on the motherboard that prohibits writing Flash BIOS. You can find it by checking your motherboard manual. Set it to disable BIOS. This setting can make the virus unable to write data in the BIOS. . However, many Taiwan motherboards have such jumpers and BIOS settings, but even if they are set to write-protected state, the BIOS can still be rewritten, so this is not a foolproof method.

But even if the virus can't damage your BIOS, it can damage the data on your hard drive. A better way is to prevent your computer from getting a virus.

The above is the examination of the professional title computer exam questions for the majority of candidates: the motherboard BIOS troubleshooting, the exam encyclopedia will bring more exciting articles for the majority of candidates, more exciting articles, please continue to pay attention Exam encyclopedia. Candidates who wish to take the computer test have achieved excellent results. At the same time, the candidates are welcome to continue to check the other computer title questions on this website: the fault repair of the motherboard BIOS.