Asus M4A78T-E User Manual - Page 57

Starting up for the first time - beep codes

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Chapter 2 2.8 Starting up for the first time 1. After making all the connections, replace the system case cover. 2. Be sure that all switches are off. 3. Connect the power cord to the power connector at the back of the system chassis. 4. Connect the power cord to a power outlet that is equipped with a surge protector. 5. Turn on the devices in the following order: a. Monitor b. External SCSI devices (starting with the last device on the chain) c. System power 6. After applying power, the system power LED on the system front panel case lights up. For systems with ATX power supplies, the system LED lights up when you press the ATX power button. If your monitor complies with "green" standards or if it has a "power standby" feature, the monitor LED may light up or switch between orange and green after the system LED turns on. The system then runs the power-on self tests or POST. While the tests are running, the BIOS beeps (see BIOS beep codes table below) or additional messages appear on the screen. If you do not see anything within 30 seconds from the time you turned on the power, the system may have failed a power-on test. Check the jumper settings and connections or call your retailer for assistance. BIOS Beep One short beep One continuous beep followed by two short beeps then a pause (repeated) One continuous beep followed by three short beeps One continuous beep followed by four short beeps Description VGA detected Quick boot set to disabled No keyboard detected No memory detected No VGA detected Hardware component failure 7. At power on, hold down the key to enter the BIOS Setup. Follow the instructions in Chapter 3. 2.9 Turning off the computer While the system is ON, pressing the power switch for less than four seconds puts the system to sleep mode or to soft-off mode, depending on the BIOS setting. Pressing the power switch for more than four seconds lets the system enter the soft-off mode regardless of the BIOS setting. Refer to section 3.7 Power Menu in Chapter 3 for details. ASUS M4A78T-E 2-37

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ASUS M4A78T-E
2-37
Chapter 2
2.8
Starting up for the first time
1.
After making all the connections, replace the system case cover.
2.
Be sure that all switches are off.
3.
Connect the power cord to the power connector at the back of the system chassis.
4.
Connect the power cord to a power outlet that is equipped with a surge protector.
5.
Turn on the devices in the following order:
a.
Monitor
b.
External SCSI devices (starting with the last device on the chain)
c.
System power
6.
After applying power, the system power LED on the system front panel case lights up. For systems
with ATX power supplies, the system LED lights up when you press the ATX power button. If your
monitor complies with “green” standards or if it has a “power standby” feature, the monitor LED may
light up or switch between orange and green after the system LED turns on.
The system then runs the power-on self tests or POST. While the tests are running, the BIOS beeps
(see BIOS beep codes table below) or additional messages appear on the screen. If you do not see
anything within 30 seconds from the time you turned on the power, the system may have failed a
power-on test. Check the jumper settings and connections or call your retailer for assistance.
7.
At power on, hold down the <Delete> key to enter the BIOS Setup. Follow the instructions in
Chapter 3.
BIOS Beep
Description
One short beep
VGA detected
Quick boot set to disabled
No keyboard detected
One continuous beep followed by two short
beeps then a pause (repeated)
No memory detected
One continuous beep followed by three short
beeps
No VGA detected
One continuous beep followed by four short
beeps
Hardware component failure
2.9
Turning off the computer
While the system is ON, pressing the power switch for less than four seconds puts the system to sleep
mode or to soft-off mode, depending on the BIOS setting. Pressing the power switch for more than four
seconds lets the system enter the soft-off mode regardless of the BIOS setting. Refer to section
3.7 Power
Menu
in Chapter 3 for details.