C660 Bios Update | Toshiba Satellite
Redownload the BIOS file, as it may be corrupted.
Users have reported encountering an "BCPSYS block signature was not found. Error Code: -100" when trying to update from an older version (e.g., 1.50 ) to a newer one (e.g., 1.70 or 2.00 ). This often indicates a mismatch between the BIOS vendor (e.g., AMI) and the flash tool (e.g., one designed for Phoenix BIOS).
Try a hard reset (remove battery and charger, hold power button for 30 seconds, reconnect only charger, try again).
If your system is unstable and you cannot boot into Windows, or if the Windows flash fails, this is a reliable alternative. This method uses a USB drive to boot the computer into DOS and flash the BIOS. toshiba satellite c660 bios update
An interrupted BIOS flash can permanently damage (brick) your motherboard. Follow these safety precautions before proceeding:
While updating the BIOS is generally a safe process, there are some risks involved. A failed BIOS update can render the laptop unbootable, requiring a costly repair or replacement. Therefore, it is essential to follow the update process carefully and ensure that the laptop is properly prepared.
Once prompted, allow the laptop to restart. The screen may flash or remain black for a few minutes. Method 2: Toshiba Service Station Redownload the BIOS file, as it may be corrupted
If it still fails, the BIOS chip may require a physical desoldering or a crisis recovery USB drive using a specific key combination (typically Fn + F ). Reverting to Default Settings
Confirm that the utility detects your current version and the new target version. Click or Flash to begin the process.
The Toshiba InsydeFlash utility wizard will open. Click Next and confirm that you want to proceed. This often indicates a mismatch between the BIOS vendor (e
Restart your laptop and repeatedly tap the at the Toshiba logo screen to access the boot menu. Select your USB flash drive from the list.
A warning utility will appear reminding you to close all programs and connect the AC adapter. Click or Next .
The Basic Input/Output System (BIOS) is the core software that initializes your laptop's hardware during boot. Keeping it updated offers several benefits:
You will need:
