Solving Cd-Rom And Dvd Problems - HP EliteDesk 705 G3 Desktop Mini Maintenance And Service Manual

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.

Solving CD-ROM and DVD problems

If you encounter CD-ROM or DVD problems, see the common causes and solutions listed in the following table
or to the documentation that came with the optional device.
System will not boot from CD-ROM or DVD drive.
Cause
The device is attached to a SATA port that has been hidden in the
Computer Setup utility.
Removable Media Boot is disabled in the Computer Setup utility.
Network Boot is enabled in Computer Setup.
Non-bootable CD in drive.
Boot order not correct.
Drive not found (identified).
Cause
Cable could be loose.
The system may not have automatically recognized a newly
installed device.
The device is attached to a SATA port that has been hidden in
Computer Setup.
Drive responds slowly immediately after power-up.
88 Chapter 6 Troubleshooting without diagnostics
Solution
1. Reseat DIMMs. Power on the system.
2. Replace DIMMs one at a time to isolate the faulty module.
3. Replace third-party memory with HP memory.
4. Replace the system board.
Solution
Run the Computer Setup utility and ensure Device Available is
selected for the device's SATA port in Advanced > Port Options.
Run the Computer Setup utility and enable booting to removable
media in Advanced > Boot Options.
Run the Computer Setup utility and disable Network Boot in
Advanced > Boot Options.
Try a bootable CD in the drive.
Run the Computer Setup utility and change boot sequence in
Advanced > Boot Options.
Solution
Check cable connections.
See reconfiguration directions in the
Installation Problems on page 82
not recognize the new device, check to see if the device is listed
within Computer Setup. If it is listed, the probable cause is a driver
problem. If it is not listed, the probable cause is a hardware
problem.
If this is a newly installed drive, run the Computer Setup utility
and try adding a POST delay under Advanced > Power-On
Options.
Run the Computer Setup utility and ensure Device Available is
selected for the device's SATA port in Advanced > Port Options.
Run Computer Setup and increase the POST Delay in Advanced >
Power-On Options.
Solving Hardware
section. If the system still does