Solving Cd-Rom And Dvd Problems - HP EliteDesk 705 G5 Maintenance And Service Manual
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- Maintenance and service manual (137 pages) ,
- Manual (19 pages)
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System memory is performing at a speed lower than DIMM specification.
Cause
If the system is populated with two DIMMs, it runs at the
maximum speed of the DIMMs as allowed by the system
hardware. However, if a single DIMM is added to a dual-memory
configuration, DIMM speed may be reduced to the minimum
system memory speed configuration, even if the additional DIMM
is specified to run at the higher speed..
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.
Solution
When the system is configured with two DIMMs in dual-channel
mode, it might operate at a higher speed. Adding a single
additional DIMM changes the mode and can reduce memory
speed. To run at a higher memory speed, make sure to add a total
of two DIMMs to cause the system to operate in a higher-
performing dual-channel mode.
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
problems on page 82
section. If the system still does 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 CD-ROM and DVD problems
Solving hardware installation
87
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