Acer TravelMate P453-M Service Manual page 72

Figure 2-14. DOS Flash
5. In flash BIOS, the message Please do not remove AC Power Source is shown.
NOTE: NOTE:
If AC power is not connected, the following message (Figure 2-15) is shown.
Figure 2-15. AC Power Warning
NOTE: NOTE:
Plug in the AC power to continue.
6. Flash is complete when the message Flash Programming Complete is shown.
2-16 System Utilities