Interpreting Post Diagnostic Front Panel Leds And Audible Codes - Compaq dc7700 - Convertible Minitower PC Quick Setup & Getting Started

Table 2 Solving Hardware Installation Problems (continued)
Power LED flashes Red ten times, once every second, followed by a two second pause, and the
computer beeps ten times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause
Bad option card.

Interpreting 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.
WARNING!
source, voltage is always applied to the system board. To reduce
the risk of personal injury from electrical shock and/or hot surfaces,
be sure to disconnect the power cord from the wall outlet and allow
the internal system components to cool before touching.
Look for the LED between the DIMM sockets. If the LED is
illuminated, the system still has power. Power off the computer and
remove the power cord before proceeding.
NOTE:
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.
Not all diagnostic lights and audible codes are available on all
models.
Table 3 Diagnostic Front Panel LEDs and Audible Codes
Activity
Green Power LED On.
18 Quick Setup & Getting Started
When the computer is plugged into an AC power
If you see flashing LEDs on a PS/2 keyboard, look for
Beeps Possible Cause
None Computer on.
Solution
1. Check each option card by removing the
cards one at time (if multiple cards), then
power on the system to see if fault goes away.
2. Once bad card is identified, remove and
replace bad option card.
3. Replace the system board.
Recommended Action
None
ENWW