BIOS - Basic Input Outbut System
Problem
The system is not maintaining the date and time Setting.
Remedy
- The CMOS battery may be fully discharged.
- Switch of the system and remove the power cable.
- Check that the jumber meant for CMOS clearing is not set to reset the setting.
- If the problem presistes,open the system cabinet and replace the battery by a new battery(CMOS)3.3v.
- set the CMOS jumber in CMOS clearing.
- Fix the Cabinet.Connect the power and switch on the system.set all CMOS settings with date and time,save and exit setup
- Switch of the computer and switch on after 10 min to check the date and time whethe it's updated or not.
- Maximum the replaced battery has solve the problem.but problem still presists,send the motherboard for a chiplevel service.
Problem
BIOS updating process is not possible.
Remedy
- check whether the motherboard has what type of ROM(either EPROM or Flash ROM)
- EPROM BIOS can be updated only by re-programming the EPROM chip.
- EPROM should be cleared by UV rays and new BIOS should be copied in.
- But flashROM updating is very easy.Following steps are very importend in updating FLASH ROM BIOS.
- Check if the is a jumber setting or a CMOS software setting too enable or disable BIOS updating.
- Download the correct file and update according to the manufacturer's instruction.
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