![]() Some early IBM computers require you to press and hold both mouse buttons as the computer boots to enter the BIOS setup. See the computer manufacturers list for contact information. Because these diskettes are unique to your computer manufacturer, you must obtain the diskettes from them. These diskettes may be called ICU, BBU, or SCU disks. BIOS or CMOS diskettesĮarly 486, 386, and 286 computers required a floppy disk to enter the BIOS setup. Older AMI BIOS could be restored to bootable settings by pressing and holding Insert as the computer is booting. While holding F10, two beeps should be heard to indicate the settings are restored. If your Acer computer cannot boot or you want to restore the BIOS to its original settings, press and hold the F10 as you turn on the computer. Below is a listing of key sequences to press as the computer boots to enter the BIOS setup. Unlike today's computers, older computers (before 1995) had numerous methods of entering the BIOS setup. If F10 doesn't work, look at the bottom or top of the screen for the key that's used to save the settings. If any changes are made, you need to save those changes, which is usually done by pressing the F10 key on the keyboard. For help with replacing the battery, see: How to replace the CMOS battery. There are three sub-menus that enable a user to select from a listing of available hard drives or other removable devices.If changes you made appear to revert to default settings, or the date and time setting in the BIOS keeps falling behind, you may need to replace the CMOS battery. This section is important for when you want to boot from a floppy diskette or CD-ROM. As seen below, users can define the boot sequence of the bootable devices. This section enables users to configure how the computer and its peripherals should load during the boot process. The final section in this example of the Phoenix BIOS is the Boot menu. ![]() Because this section really has no more than disabling and enabling power management and the hardware with power management features, this illustration is not shown. The next section, or Power menu, enables users to enable and disable the power management options on the computer. How to clear a desktop BIOS or CMOS password.If a user sets a BIOS password and forgets that password, he or she must clear the CMOS or BIOS password. From here, set a User Password, which prompts for a password each time the computer boots or set a Setup Password to enter the BIOS setup. The Security menu enables you to set BIOS passwords on the computer. ![]() The Resource Configuration enables users to reserve or make available any memory or IRQ resources. The Video Configuration lets you set settings related to the video including the Palette Snooping, AGP aperture size, and the default adapter. The DMI Event Logging enables users to view the DMI event log, clear the log and enable or disable this feature. The Diskette Options enables you to enable, disable, and change settings relating to the diskette drive connected to the computer. The IDE configuration allows a user to define or change any values relating to IDE devices connected to the computer (e.g., hard drive and CD-ROM drive). The Peripheral Configuration section contains options for the computer's serial ports, parallel ports, and legacy USB ports. As shown, this menu is broken down into six additional sub-menus that enable you to change settings for each of the different categories. The Advanced menu, as shown below, lets you change the system settings. In the below illustration of the Main menu portion of the BIOS, a user can see the computer specifications and change the time, date, and other system specific settings. As you can see in the picture below, this BIOS is broken up into different menus. These pictures are a general idea of what to look for in the Phoenix BIOS.īelow are example pictures of the Phoenix BIOS setup screens. ![]() The version of the Phoenix BIOS on your computer may be different, and therefore it could look different than shown in these pictures. The pictures included in this section are from one version of the Phoenix BIOS. ![]()
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