Dell Technology Guide
Page 278
... D M E M O R Y. STRIKE THE F3 KEY (BEFORE THE F1 OR F2 KEY) IF YOU DO NOT WANT TO SEE POWER WARNING MESSAGES AGAIN. THIS CAN HAPPEN IF THE POWER ADAPTER IS MISSING, THE POWER CORD IS UNPLUGGED, OR THE COMPUTER IS NOT PROPERLY CONNECTED TO THE DOCKING STATION. IF YOU DID NOT CHANGE YOUR... persists, replace the CMOS battery. D A Y N O T S E T - PLEASE CONNECT A DELL XXX-W AC ADAPTER OR GREATER FOR BEST SYSTEM PERFORMANCE. Connect the correct AC adapter to the computer or docking station. YOU SHOULD UNDOCK, REDOCK, ATTACH THE POWER ADAPTER, OR PLUG IN THE POWER CORD.
... D M E M O R Y. STRIKE THE F3 KEY (BEFORE THE F1 OR F2 KEY) IF YOU DO NOT WANT TO SEE POWER WARNING MESSAGES AGAIN. THIS CAN HAPPEN IF THE POWER ADAPTER IS MISSING, THE POWER CORD IS UNPLUGGED, OR THE COMPUTER IS NOT PROPERLY CONNECTED TO THE DOCKING STATION. IF YOU DID NOT CHANGE YOUR... persists, replace the CMOS battery. D A Y N O T S E T - PLEASE CONNECT A DELL XXX-W AC ADAPTER OR GREATER FOR BEST SYSTEM PERFORMANCE. Connect the correct AC adapter to the computer or docking station. YOU SHOULD UNDOCK, REDOCK, ATTACH THE POWER ADAPTER, OR PLUG IN THE POWER CORD.