Solving Cd-Rom And Dvd Problems - HP 280 G4 MT Maintenance And Service Manual

Insufficient memory error during operation.
Cause
Too many Terminate and Stay Resident programs (TSRs) are
installed.
You have run out of memory for the application.
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.
Solution
Delete any TSRs that you do not need.
Check the memory requirements for the application or add more
memory to the computer.
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 Security > Device Security.
Run the Computer Setup utility and enable booting to removable
media in Storage > Storage Options. Ensure CD-ROM is enabled in
Storage > Boot Order.
Run the Computer Setup utility and disable Network Boot in
Security > Network Boot.
Try a bootable CD in the drive.
Run the Computer Setup utility and change boot sequence in
Storage > Boot Order.
Solution
Check cable connections.
See reconfiguration directions in the
problems on page 72 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.
Solving CD-ROM and DVD problems
Solving hardware installation
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