3Com 2226 User Guide - Page 43

Troubleshooting, Resetting to Factory Defaults - manage

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5 TROUBLESHOOTING This chapter lists some issues that you may encounter while installing, using, and managing the Switch, with suggested courses of corrective action to take. If you encounter an issue that is not listed here and you cannot solve it, check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your local technical support representative. For more information on how to obtain support for your Switch, refer to Appendix A. Resetting to Factory Defaults If the Switch does not operate normally or if the firmware becomes corrupted, you can reset the Switch to its factory defaults. CAUTION: Resetting the Switch to its factory defaults erases all your settings. You will need to reconfigure the Switch after you reset it. To reset the Switch to its factory defaults: 1 Using the tip of a pen (or a similar object), press the Recovery button on the rear panel of the Switch. See Figure 1 for illustration. 2 Power off the Switch, and then power it back on, while keeping the Recovery button pressed. 3 Release the Recovery button. 4 Reset the Switch either by: ■ Accessing the Web interface using Discovery, and then pressing the RESET button on the Fail-Safe Mode screen (see Figure 24). The Fail-Safe Mode screen appears (instead of the logon screen) after you perform steps 1 to 3 of this procedure. ■ Powering off the Switch, and then powering it back on. The Switch will perform automatic IP configuration after you reset it. See "Automatic IP Configuration" on page 29 for more information. Figure 24 Fail-Safe Mode Screen

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5
T
ROUBLESHOOTING
This chapter lists some issues that you may encounter
while installing, using, and managing the Switch,
with suggested courses of corrective action to take.
If you encounter an issue that is not listed here and
you cannot solve it, check the 3Com Knowledgebase
at
before contacting
your local technical support representative.
For more information on how to obtain support for
your Switch, refer to
Appendix A
.
Resetting to Factory Defaults
If the Switch does not operate normally or if the firm-
ware becomes corrupted, you can reset the Switch to
its factory defaults.
CAUTION:
Resetting the Switch to its factory defaults
erases all your settings. You will need to reconfigure
the Switch after you reset it.
To reset the Switch to its factory defaults:
1
Using the tip of a pen (or a similar object), press the
Recovery button on the rear panel of the Switch. See
Figure 1
for illustration.
2
Power off the Switch, and then power it back on,
while keeping the Recovery button pressed.
3
Release the Recovery button.
4
Reset the Switch either by:
■
Accessing the Web interface using Discovery, and
then pressing the
RESET
button on the Fail-Safe
Mode screen (see
Figure 24
). The Fail-Safe Mode
screen appears (instead of the logon screen) after
you perform steps 1 to 3 of this procedure.
■
Powering off the Switch, and then powering it
back on.
The Switch will perform automatic IP configuration
after you reset it. See
“
Automatic IP Configuration
”
on
page 29
for more information.
Figure 24
Fail-Safe Mode Screen