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HP 8000f Maintenance and Service Guide: HP Compaq 8000f Elite Business PC Ultr - Page 154

Diagnostic Front Panel LEDs and Audible Codes continued, Table F-2

UPC - 885631750551

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Table F-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes five 5 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Pre-video memory error. CAUTION: 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. 2. Make sure a DIMM is installed in the black DIMM connector first if there is only one DIMM in the system. 3. Replace third-party memory with HP memory. 4. Replace the system board. Red Power LED flashes six 6 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Pre-video graphics error. For systems with a graphics card: 1. Reseat the graphics card. 2. Replace the graphics card. 3. Replace the system board. For systems with integrated graphics, replace the system board. Red Power LED flashes 7 seven times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. System board failure (ROM detected failure prior to video). Replace the system board. Red Power LED flashes eight 8 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Invalid ROM based on bad checksum. 1. Reflash the system ROM with the latest BIOS image. 2. Replace the system board. Red Power LED flashes nine 9 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. System powers on but is unable to boot. 1. Check that the voltage selector, located on the rear of the power supply (some models), is set to the appropriate voltage. Proper voltage setting depends on your region. 2. Unplug the AC power cord from the computer, wait 30 seconds, then plug the power cord back in to the computer. 3. Replace the system board. 4. Replace the processor. Red Power LED flashes ten 10 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Bad option card. 1. Check each option card by removing the card (one at a time if multiple cards), then power on the system to see if fault goes away. 2. Once a bad card is identified, remove and replace the bad option card. 3. Replace the system board. 144 Appendix F POST Error Messages

Section	Page
Product Features	11
Front Panel Components	11
Rear Panel Components	12
Installing and Customizing the Software	13
Installing the Windows Operating System	13
Downloading Microsoft Windows Updates	13
Installing or Upgrading Device Drivers (Windows systems)	14
Customizing the Monitor Display (Windows systems)	14
Launching Windows XP from Windows 7	14
Accessing Disk Image (ISO) Files	14
Computer Setup (F10) Utility	16
Computer Setup (F10) Utilities	16
Using Computer Setup (F10) Utilities	17
Computer Setup—File	18
Computer Setup—Storage	19
Computer Setup—Security	20
Computer Setup—Power	25
Computer Setup—Advanced	26
Recovering the Configuration Settings	29
Serial ATA (SATA) Drive Guidelines and Features	30
SATA Hard Drives	30
SATA Hard Drive Cables	30
SATA Data Cable	30
SMART ATA Drives	31
Hard Drive Capacities	31
Identifying the Chassis, Routine Care, and Disassembly Preparation	32
Chassis Designations	32
Ultra-Slim Desktop (USDT)	32
Electrostatic Discharge Information	33
Generating Static	33
Preventing Electrostatic Damage to Equipment	33
Personal Grounding Methods and Equipment	34
Grounding the Work Area	34
Recommended Materials and Equipment	34
Operating Guidelines	35
Routine Care	36
General Cleaning Safety Precautions	36
Cleaning the Computer Case	36
Cleaning the Keyboard	36
Cleaning the Monitor	37
Cleaning the Mouse	37
Service Considerations	37
Power Supply Fan	37
Tools and Software Requirements	38
Screws	38
Cables and Connectors	38
Hard Drives	38
Lithium Coin Cell Battery	39
Removal and Replacement Procedures	40
Preparation for Disassembly	40
Serial Number Location	41
Security Lock Provisions	42
Installing a Security Lock	42
HP/Kensington MicroSaver Security Cable Lock	42
Padlock	43
HP Business PC Security Lock	43
Front Bezel Security	46
Computer Access Panel	48
Front Bezel	49
Bezel Blank	50
Installing Additional Memory	51
SODIMMs	51
DDR3-SDRAM SODIMMs	51
Populating SODIMM Sockets	52
Installing SODIMMs	53
Cable Management	55
Replacing the Optical Drive	56
Removing the Existing Optical Drive	56
Preparing the New Optical Drive	57
Installing the New Optical Drive	58
Hard Drive	59
Hard Drive Cage	63
Port Cover	64
Front Fan	65
Card Reader	66
Speaker	67
Heat sink	68
Processor	69
System Board	71
Rear Fan	72
Battery	73
Changing from Desktop to Tower Configuration	75
Power Supply, External	76
Connector Pin Assignments	77
Keyboard	77
Mouse	77
Ethernet BNC	77
Ethernet RJ-45	78
Serial Interface, Powered and Non-Powered	78
USB	78
Microphone	79
Headphone	79
Line-in Audio	79
Line-out Audio	79
Monitor	80
DisplayPort	80
4-Pin Power (for CPU)	81
6-Pin Power (for CPU) (CMT, SFF)	81
SATA Data and Power	81
PCI Express	82
PCI Express	83
Power Cord Set Requirements	84
General Requirements	84
Japanese Power Cord Requirements	84
Country-Specific Requirements	85
Backup and Recovery	86
Windows 7 – Backup and Recovery	86
Backing up your information	86
Performing a recovery	87
Using the Windows recovery tools	88
Using F11	88
Using a Windows 7 operating system DVD (purchased separately)	89
Windows Vista – Backup and Recovery	90
Backing up your information	90
Performing a recovery	91
Using the Windows recovery tools	91
Using F11	92
Using a Windows Vista operating system DVD (purchased separately)	92
Computer Diagnostic Features	94
Hewlett-Packard Vision Diagnostics	94
Accessing HP Vision Diagnostics	94
Survey Tab	95
Test Tab	95
Status Tab	96
History Tab	97
Errors Tab	97
Help Tab	97
Saving and Printing Information in HP Vision Diagnostics	98
Downloading the Latest Version of HP Vision Diagnostics	98
Protecting the Software	99
Troubleshooting Without Diagnostics	100
Safety and Comfort	100
Before You Call for Technical Support	100
Helpful Hints	101
Solving General Problems	103
Solving Power Problems	107
Solving Diskette Problems	108
Solving Hard Drive Problems	111
Solving Media Card Reader Problems	114
Solving Display Problems	116
Solving Audio Problems	120
Solving Printer Problems	123
Solving Keyboard and Mouse Problems	124
Solving Hardware Installation Problems	126
Solving Network Problems	128
Solving Memory Problems	132
Solving Processor Problems	134
Solving CD-ROM and DVD Problems	135
Solving USB Flash Drive Problems	138
Solving Front Panel Component Problems	139
Solving Internet Access Problems	140
Solving Software Problems	143
Contacting Customer Support	144
POST Error Messages	145
POST Numeric Codes and Text Messages	146
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes	153
Password Security and Resetting CMOS	156
Resetting the Password Jumper	157
Clearing and Resetting the CMOS	158
Drive Protection System (DPS)	160
Accessing DPS Through Computer Setup	161
Specifications	162

Match case Limit results 1 per page

Activity

Beeps

Possible Cause

Recommended Action

Red Power LED flashes five

times, once every second,

followed by a two second

pause. Beeps stop after fifth

iteration but LEDs continue

until problem is solved.

Pre-video memory error.

CAUTION:

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.

Reseat DIMMs.

Make sure a DIMM is installed in the black

DIMM connector first if there is only one

DIMM in the system.

Replace third-party memory with HP

memory.

Replace the system board.

Red Power LED flashes six

times, once every second,

followed by a two second

pause. Beeps stop after fifth

iteration but LEDs continue

until problem is solved.

Pre-video graphics error.

For systems with a graphics card:

Reseat the graphics card.

Replace the graphics card.

Replace the system board.

For systems with integrated graphics, replace

the system board.

Red Power LED flashes

seven times, once every

second, followed by a two

second pause. Beeps stop

after fifth iteration but LEDs

continue until problem is

solved.

System board failure

(ROM detected failure

prior to video).

Replace the system board.

Red Power LED flashes eight

times, once every second,

followed by a two second

pause. Beeps stop after fifth

iteration but LEDs continue

until problem is solved.

Invalid ROM based on

bad checksum.

Reflash the system ROM with the latest

BIOS image.

Replace the system board.

Red Power LED flashes nine

times, once every second,

followed by a two second

pause. Beeps stop after fifth

iteration but LEDs continue

until problem is solved.

System powers on but is

unable to boot.

Check that the voltage selector, located on

the rear of the power supply (some

models), is set to the appropriate voltage.

Proper voltage setting depends on your

region.

Unplug the AC power cord from the

computer, wait 30 seconds, then plug the

power cord back in to the computer.

Replace the system board.

Replace the processor.

Red Power LED flashes ten

times, once every second,

followed by a two second

pause. Beeps stop after fifth

iteration but LEDs continue

until problem is solved.

Bad option card.

Check each option card by removing the

card (one at a time if multiple cards), then

power on the system to see if fault goes

away.

Once a bad card is identified, remove and

replace the bad option card.

Replace the system board.

Table F-2

Diagnostic Front Panel LEDs and Audible Codes (continued)

144

Appendix F

POST Error Messages