HP Dc7100 Troubleshooting Guide - Page 76

POST Diagnostic Front Panel LEDs and Audible Codes

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POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them. ✎ If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on the front panel of the computer and refer to the following table to determine the front panel LED codes. ✎ Recommended actions in the following table are listed in the order in which they should be performed. Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None Computer on. None Green Power LED flashes every two seconds. None Computer in Suspend to RAM mode (select models only) or normal Suspend mode. None required. Press any key or move the mouse to wake the computer. A-14 www.hp.com Troubleshooting Guide

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A–14
www.hp.com
Troubleshooting Guide
POST Error Messages
POST Diagnostic Front Panel LEDs and
Audible Codes
This section covers the front panel LED codes as well as the audible
codes that may occur before or during POST that do not necessarily
have an error code or text message associated with them.
If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs
on the front panel of the computer and refer to the following table to
determine the front panel LED codes.
Recommended actions in the following table are listed in the order in
which they should be performed.
Diagnostic Front Panel LEDs and Audible Codes
Activity
Beeps
Possible Cause
Recommended Action
Green Power LED
On.
None
Computer on.
None
Green Power LED
flashes every two
seconds.
None
Computer in
Suspend to RAM
mode (select
models only) or
normal Suspend
mode.
None required. Press any key or move
the mouse to wake the computer.