•If using a CD-ROM, make sure the computer is turned on. Insert the system program update (flash) CD-ROM into the optical drive. The update begins.

•If using a diskette, make sure the computer is turned off. Insert the system program update (flash) diskette and turn on the computer. The update begins.

2.When you are prompted to select a language, press the number on your keyboard that corresponds to the language and then press Enter.

3.When prompted to change the serial number, press Y.

4.Type the seven-character serial number of your computer and then press Enter.

5.When prompted to change the machine type/model, press Y.

6.Type the seven-character machine type/model of your computer and then press Enter.

7.Follow the instructions on the screen to complete the update.

Recovering from a POST/BIOS update failure

Attention

If an interruption occurs during a POST/BIOS update (flash update), the computer might not restart correctly. If this occurs, perform the following procedure commonly called Boot-block Recovery.

Note: If your computer has no internal diskette drive, an optional USB diskette drive must be connected to use the BIOS flash diskette.

1.Turn off the computer and any attached devices, such as printers, monitors, and external drives.

2.Unplug all power cords from electrical outlets, and open the computer cover. See “Opening the cover” on page 68.

3.Locate the Clear CMOS/Recovery jumper on the system board. See “System board locations” on page 68.

4.Remove any cables that impede access to the Clear CMOS/Recovery jumper.

5.Move the jumper from the standard position (pins 1 and 2) to pins 2 and 3.

6.Insert the POST/BIOS update (flash) diskette in the diskette drive.

7.Close the computer cover and reconnect any cables that were disconnected.

8.Reconnect the power cords for the computer and monitor to electrical outlets.

9.Turn on the computer and the monitor.

10.The recovery session will take two to three minutes. During this time, you will hear a series of beeps. After the update session is completed, the series of beeps ends. There will be no video, and the system will automatically turn off.

11.Open the computer cover, and move the Clear CMOS/Recovery jumper back to the original positions (pins 1 and 2).

12.Remove the POST/BIOS flash diskette from the diskette drive.

13.Close the computer cover and reconnect any cables that were disconnected.

14.Turn on the computer to restart the operating system.

Power management

Power management reduces the power consumption of certain components of the computer such as the system power supply, processor, hard disk drives, and some monitors.

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Lenovo 6394, 6395, 6393, 6397, 6396 manual Recovering from a POST/BIOS update failure, Power management
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6396, 6397, 6393, 6394, 6395 specifications

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