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Power LED flashes red five times, once every second, followed by a two second pause, and the computer beeps
five times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause
Memory is installed incorrectly or is bad.
122 Appendix G Troubleshooting without diagnostics
Solution
CAUTION:
To avoid damage to the DIMMs or the system
board, you must unplug the computer power cord before
attempting to reseat, install, or remove a DIMM module.
1.
Reseat DIMMs. Power on the system.
2.
Replace DIMMs one at a time to isolate the faulty
module.
NOTE:
DIMM1 must always be installed. DIMM1 must
be installed before DIMM3.
3.
Replace third-party memory with HP memory.
4.
Replace the system board.
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