Lenovo IdeaCentre B5 Series Hardware Maintenance Manual
Page 15
... in quiet mode (no beep, no memory count and checkpoint code display) when no errors are servicing might cause false errors and unnecessary replacement of BIOS is for this computer to the middle position. 4. Power-off the computer and all cables and power cords. 3. Be extremely careful during write operations such... to the information supplied with that the latest level of the system board. See "Starting the Setup Utility program". 2. Power-on the system. A down-level BIOS might have been rearranged or the drive startup sequence changed. Set all external devices. 13
... in quiet mode (no beep, no memory count and checkpoint code display) when no errors are servicing might cause false errors and unnecessary replacement of BIOS is for this computer to the middle position. 4. Power-off the computer and all cables and power cords. 3. Be extremely careful during write operations such... to the information supplied with that the latest level of the system board. See "Starting the Setup Utility program". 2. Power-on the system. A down-level BIOS might have been rearranged or the drive startup sequence changed. Set all external devices. 13
Lenovo IdeaCentre B5 Series Hardware Maintenance Manual
Page 16
... Support and Engineering functions. •• Machine type and model •• Processor or hard disk upgrades •• Failure symptom - BIOS level •• Operating system software - Type and version level Note: To eliminate confusion, identical systems are considered identical only if they:... device tested. Problem determination tips Due to the variety of hardware and software combinations that can be encountered, use - Have the same BIOS level 3. If it has been working, what changes were made prior to it failing? - Have the same software versions and levels ...
... Support and Engineering functions. •• Machine type and model •• Processor or hard disk upgrades •• Failure symptom - BIOS level •• Operating system software - Type and version level Note: To eliminate confusion, identical systems are considered identical only if they:... device tested. Problem determination tips Due to the variety of hardware and software combinations that can be encountered, use - Have the same BIOS level 3. If it has been working, what changes were made prior to it failing? - Have the same software versions and levels ...
Lenovo IdeaCentre B5 Series Hardware Maintenance Manual
Page 27
... This error might indicate that no longer functional. Chapter 6. Make sure you have bootable media. 25 Cannot initialize the keyboard. The BIOS was unable to reboot the machine. This error can be found or initialized. Make sure the hard drive is properly connected to Enable... connected to a weak CMOS battery. Make sure the keyboard is correctly installed. The computer loads the default configuration settings. The BIOS then ignores the missing keyboard during POST. The IDE/ATAPI device configured as Primary Master/Primary Slave/ Secondary Master/Secondary Slave could...
... This error might indicate that no longer functional. Chapter 6. Make sure you have bootable media. 25 Cannot initialize the keyboard. The BIOS was unable to reboot the machine. This error can be found or initialized. Make sure the hard drive is properly connected to Enable... connected to a weak CMOS battery. Make sure the keyboard is correctly installed. The computer loads the default configuration settings. The BIOS then ignores the missing keyboard during POST. The IDE/ATAPI device configured as Primary Master/Primary Slave/ Secondary Master/Secondary Slave could...
Lenovo IdeaCentre B5 Series Hardware Maintenance Manual
Page 58
...power consumption of certain components of the computer and the setting for Advanced Power Management (APM) BIOS mode is ignored. Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is allowed to control the power management features of the computer such ...as the system power supply, processor, hard disk drives, and some monitors. Not all operating systems support ACPI BIOS mode. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to enable and disable features that...
...power consumption of certain components of the computer and the setting for Advanced Power Management (APM) BIOS mode is ignored. Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is allowed to control the power management features of the computer such ...as the system power supply, processor, hard disk drives, and some monitors. Not all operating systems support ACPI BIOS mode. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to enable and disable features that...