Solving Processor Problems

If you encounter processor problems, common causes and solutions are listed in the following table.

Table D-13Solving Processor Problems

Poor performance is experienced.

Cause

Solution

 

 

 

Processor is hot.

1.

Make sure the airflow to the computer is not blocked.

 

2.

Make sure the fans are connected and working properly

 

 

(some fans only operate when needed).

 

3.

Make sure the processor heat sink is installed properly.

 

Power LED flashes Red three times, once every second, followed by a two second pause.

 

 

Cause

Solution

Processor is not seated properly or not installed.

1.Check to see that the processor is present.

2.Reseat the processor.

Power LED flashes Red eleven times, once every second, followed by a two second pause.

Cause

Solution

The current processor does not support a feature previously enabled on this system.

1.Install a TXT (Trusted Execution Technology) capable processor.

2.Disable TXT in the Computer Setup (F10) utility.

3.Reinstall the original processor.

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.

Table D-14Solving CD-ROM and DVD Problems

System will not boot from CD-ROM or DVD drive.

Cause

Solution

 

 

The device is attached to a SATA port that has been hidden

Run the Computer Setup utility and ensure Device Available

in the Computer Setup utility.

is selected for the device's SATA port in Security > Device

 

Security.

 

 

Removable Media Boot is disabled in the Computer Setup

Run the Computer Setup utility and enable booting to

utility.

removable media in Storage > Storage Options. Ensure

 

CD-ROM is enabled in Storage > Boot Order.

 

 

176 Appendix D Troubleshooting Without Diagnostics

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HP Pro 3515 E3S87UTABA, D3K31UTABA, C7A34UT Solving CD-ROM and DVD Problems, Table D-13Solving Processor Problems
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E3S87UTABA, Pro 3515 E3S87UTABA, Pro 3400 XZ939UT#ABA, C7A31UT#ABA, Pro 3400 A7L25UT#ABA specifications

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