To ensure that no other program interferes with the installation, save all work and close all other programs. During the installation of this file, be sure that you are logged in as the Administrator or as a user with Administrative rights. Do not allow the computer to enter Standby or Hibernation states. During the installation of this update:. If the installation of the BIOS is interrupted by power loss, the computer may not operate correctly or at all! WARNING!! Before installing this update, be sure the computer is running from AC power. Refer to the Free Repair Program for VAIO Fit 11A/Flip Personal Computer announcement for more details. If the repair has been made, this update will not affect the charging function. IMPORTANT: If the computer has not been repaired for the overheating issue, this update will disable the computer's ability to charge the battery. If this does not work make sure your keyboard is working. Keep pressing the key until the computer stops booting, and you have the option to enter setup. To do this, press and hold any key on the keyboard and do not let go (you may get several beeps as you are doing this). Other suggestionsįinally, if none of the above suggestions allow access to your CMOS setup, try generating a stuck key error, which gives an option to enter the CMOS setup. 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 referred to as 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 the Insert key as the computer is booting. While continuing to hold the F10, two beeps should be heard indicating that 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 is booting to enter the BIOS setup. Unlike the computers of today, 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. 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.
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