TITLE:
ThinkCentre M72e and Edge72 systems may fail to complete POST with two short beeps and then power off automatically
SYMPTOM:
ThinkCentre M72e and Edge72 systems may fail to complete POST, but the system fans continue to run on normal speed. The user may hear two short beeps after 8-10 seconds and then the system will power off automatically about 30-35 seconds after pressing the power button.
AFFECTED CONFIGURATIONS:
ThinkCentre
AFFECTED SYSTEMS:
M72e
Edge72
SYSTEM IS CONFIGURED WITH:
System BIOS F1KT57A or earlier
OPERATING SYSTEMS:
All Operating Systems
SOLUTION:
Do not replace any hardware for this issue. Perform the following steps to recover the system from a failing condition and then perform the Flash BIOS update procedure.
1. Remove all media from the drives and turn off all attached
devices and the system. Then, disconnect all power cords from the
electrical outlets and disconnect all cables that are connected to
the system.
2. Remove the system cover.
3. Locate the Clear CMOS/Recovery jumper on the system board. See
"Locating parts on the system board".
4. Remove any parts and disconnect any cables that might prevent
your access to the Clear CMOS/Recovery jumper.
5. Move the jumper from the standard position (Pin 1 and Pin 2) to
the maintenance position (Pin 2 and Pin 3).
6. Reinstall any parts and reconnect any cables that have been
removed or disconnected.
7. Reinstall the system cover and reconnect the power cords for the
system and monitor.
8. Turn on the system.
9. Wait 10-15 seconds for the system to automatically turn off.
10. Repeat Step 1 through Step 4.
11. Move the jumper back to the standard position (Pin 1 and Pin 2).
12. Reinstall any parts and reconnect any cables that have been
removed or disconnected.
13. Reinstall the system cover and reconnect power cords and all
other external cables.
14. Turn on the system to restart the operating system. Then,
shutdown the system.
15. Perform the normal Flash BIOS update procedure using the current
version F1KT65A, or later, located at the following URL:
http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS029433
16. Turn on the system to restart the operating system.
ThinkCentre M72e and Edge72 systems may fail to complete POST with two short beeps and then power off automatically
SYMPTOM:
ThinkCentre M72e and Edge72 systems may fail to complete POST, but the system fans continue to run on normal speed. The user may hear two short beeps after 8-10 seconds and then the system will power off automatically about 30-35 seconds after pressing the power button.
AFFECTED CONFIGURATIONS:
ThinkCentre
AFFECTED SYSTEMS:
M72e
Edge72
SYSTEM IS CONFIGURED WITH:
System BIOS F1KT57A or earlier
OPERATING SYSTEMS:
All Operating Systems
SOLUTION:
Do not replace any hardware for this issue. Perform the following steps to recover the system from a failing condition and then perform the Flash BIOS update procedure.
1. Remove all media from the drives and turn off all attached
devices and the system. Then, disconnect all power cords from the
electrical outlets and disconnect all cables that are connected to
the system.
2. Remove the system cover.
3. Locate the Clear CMOS/Recovery jumper on the system board. See
"Locating parts on the system board".
4. Remove any parts and disconnect any cables that might prevent
your access to the Clear CMOS/Recovery jumper.
5. Move the jumper from the standard position (Pin 1 and Pin 2) to
the maintenance position (Pin 2 and Pin 3).
6. Reinstall any parts and reconnect any cables that have been
removed or disconnected.
7. Reinstall the system cover and reconnect the power cords for the
system and monitor.
8. Turn on the system.
9. Wait 10-15 seconds for the system to automatically turn off.
10. Repeat Step 1 through Step 4.
11. Move the jumper back to the standard position (Pin 1 and Pin 2).
12. Reinstall any parts and reconnect any cables that have been
removed or disconnected.
13. Reinstall the system cover and reconnect power cords and all
other external cables.
14. Turn on the system to restart the operating system. Then,
shutdown the system.
15. Perform the normal Flash BIOS update procedure using the current
version F1KT65A, or later, located at the following URL:
http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS029433
16. Turn on the system to restart the operating system.
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Solved my problem. Did what you said with the jumpers, it then started, rebooted and then went to a state where it beeped two times but in a different speed. Waited for 2-3 minutes, shut down the computer. Finally could enter BIOS and save the new settings for memory and then booted again.
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