1. Turn off the system, and take off the lid from the bottom of the chassis by loosening the screws.
2. Short two pins (red mark) a few seconds as attached picture.
3. Turn on the system and stop on the boot up screen with "Checksum Error" message.
4. Press "DEL" key entering BIOS menu, and select "Load Optimized Default" to reconfigure the BIOS.
1. Turn off the system, and take power cord off on front panel to make sure the standby power on the power supply has been turned off too.
2. Take off the lid from the bottom of the chassis by loosening the screws, find JP9 near IDE connector.
3. Adjust jumper position from JP9 pin 1-2 to pin 2-3 for a few seconds, and switch back to pin 1-2 (as default).
4. Turn on the system and stop on the boot up screen with "Checksum Error" message.
5. Press "DEL" key entering BIOS menu, and select "Load Optimized Default" to reconfigure the BIOS.
1. After you select turn off computer ,you can see the screen."Stand By" is not selectable.
2. Please click "Cancel".
3. Please set the graphic output to "Monitor" only ,then turning off the unit then you must be able to see
" It is safe to turn off your computer".