Power light blinks red three times and then white two times
Use this information to troubleshoot the computer.
Cause
Solution
Memory is installed incorrectly or is bad.
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. Turn on the system.
2.
Replace DIMMs one at a time to isolate the faulty module.
NOTE:
DIMM1 or XMM1 must always be installed. DIMM1
must be installed before DIMM3.
3.
Replace third-party memory with HP memory.
4.
Replace the system board.
ENWW
Solving hardware installation problems
65
Summary of Contents for ProDesk 400 G7 SFF
Page 8: ...Index 125 viii ENWW ...
Page 12: ...4 Chapter 1 Product features ENWW ...
Page 56: ...48 Chapter 4 Removal and replacement procedures ENWW ...
Page 82: ...74 Chapter 5 Troubleshooting without diagnostics ENWW ...
Page 106: ...98 Chapter 7 POST error messages ENWW ...
Page 128: ...120 Chapter 11 Statement of memory volatility ENWW ...
Page 132: ...124 Chapter 13 Specifications ENWW ...
Page 136: ...128 Index ENWW ...