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Compaq 6000 Maintenance & Service Guide: HP Compaq 6000 and 6080 Pro Busin - Page 173

Interpreting POST Diagnostic Front Panel LEDs and Audible Codes - beeps

UPC - 894582579463

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Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action Invalid Electronic Serial Number Electronic serial number is missing. Enter the correct serial number in Computer Setup. Memory Parity Error Parity RAM failure. Third-party graphics card may be causing a problem. Run Computer Setup and Diagnostic utilities. Remove third-party graphics card to see if the problem goes away. Network Server Mode Active and No Keyboard Attached Keyboard failure while Network Server Mode enabled. 1. Reconnect keyboard with computer turned off. 2. Check connector for bent or missing pins. 3. Ensure that none of the keys are depressed. 4. Replace keyboard. Parity Check 2 Parity RAM failure. Third-party graphics card may be causing a problem. Run Computer Setup and Diagnostic utilities. Remove third-party graphics card to see if the problem goes away. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board. To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool before touching. NOTE: If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on the front panel of the computer and refer to the following table to determine the front panel LED codes. Recommended actions in the following table are listed in the order in which they should be performed. Not all diagnostic lights and audible codes are available on all models. Table C-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. Green Power LED flashes every two seconds. None None Computer on. None Computer in Suspend to RAM mode (some models only) or normal Suspend mode. None required. Press any key or move the mouse to wake the computer. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 163

Section	Page
Product Features	11
Microtower Chassis	11
Standard Configuration Features	11
Front Panel Components	12
Rear Panel Components	13
Serial Number Location	14
Small Form Factor	15
Standard Configuration Features	15
Front Panel Components	16
Rear Panel Components	17
Serial Number Location	18
Installing and Customizing the Software	19
Installing the Operating System	19
Downloading Microsoft Windows Updates	20
Installing or Upgrading Device Drivers (Windows systems)	20
Accessing Disk Image (ISO) Files	20
Protecting the Software	21
Computer Setup (F10) Utility	22
Computer Setup (F10) Utilities	22
Using Computer Setup (F10) Utilities	23
Computer Setup—File	24
Computer Setup—Storage	25
Computer Setup—Security	27
Computer Setup—Power	31
Computer Setup—Advanced	32
Recovering the Configuration Settings	36
Drive Protection System (DPS)	36
Accessing DPS Through Computer Setup	36
Computer Diagnostic Features	38
Hewlett-Packard Vision Diagnostics	38
Accessing HP Vision Diagnostics	38
Survey Tab	39
Test Tab	39
Status Tab	40
History Tab	41
Errors Tab	41
Help Tab	41
Saving and Printing Information in HP Vision Diagnostics	42
Downloading the Latest Version of HP Vision Diagnostics	42
Protecting the Software	43
Serial ATA Drive Guidelines and Features	44
SATA Hard Drives	44
SATA Hard Drive Cables	45
SATA Data Cable	45
SATA Power Cable	45
ATA SMART Drives	46
Hard Drive Capacities	46
Identifying the Chassis, Routine Care, and Disassembly Preparation	47
Chassis Designations	47
Small Form Factor (SFF)	47
Microtower (MT)	48
6000 model	48
6080 model – Front Bezel	48
Electrostatic Discharge Information	49
Generating Static	49
Preventing Electrostatic Damage to Equipment	49
Personal Grounding Methods and Equipment	50
Grounding the Work Area	50
Recommended Materials and Equipment	50
Operating Guidelines	51
Routine Care	52
General Cleaning Safety Precautions	52
Cleaning the Computer Case	52
Cleaning the Keyboard	52
Cleaning the Monitor	53
Cleaning the Mouse	53
Service Considerations	53
Power Supply Fan	53
Tools and Software Requirements	53
Screws	54
Cables and Connectors	54
Hard Drives	54
Lithium Coin Cell Battery	55
Removal and Replacement Procedures Microtower (MT) Chassis	56
Serial Number Location	56
Preparation for Disassembly	57
Access Panel	58
Front Bezel	59
Removing Bezel Blanks	60
Cable Management	61
Memory	63
Expansion Cards	67
Installing and Removing Drives	71
System Board Drive Connections	73
Removing an External 5.25-inch or 3.5-inch Drive	74
Installing an External 5.25-inch or 3.5-inch Drive	77
Removing an Internal 3.5-inch Hard Drive	80
Installing an Internal 3.5-inch Hard Drive	81
Removing and Replacing a Removable 3.5-inch SATA Hard Drive	82
Fan/Baffle Assembly	87
Front I/O Assembly	88
Power Switch/LED Assembly	89
Heat sink	90
Processor	91
Speaker	92
Rear Chassis Fan	93
Power Supply	94
System Board	95
Battery	96
Type 1 Battery Holder	97
Type 2 Battery Holder	97
Type 3 Battery Holder	98
External Security Devices	99
Cable Lock	99
Padlock	99
HP Business PC Security Lock	100
Front Bezel Security	101
Removal and Replacement Procedures Small Form Factor (SFF) Chassis	103
Preparation for Disassembly	103
Access Panel	104
Front Bezel	105
Bezel Blanks	106
Installing Additional Memory	107
DIMMs	107
DDR3-SDRAM DIMMs	107
Populating DIMM Sockets	108
Installing DIMMs	109
Expansion Cards	111
Cable Management	116
Cable Connections	117
Drive Positions	118
Installing and Removing Drives	119
System Board Drive Connections	121
Removing an External 5.25-inch Drive	122
Installing an Optical Drive into the 5.25-inch Drive Bay	123
Removing an External 3.5-inch Drive	126
Installing a Drive into the 3.5-inch External Drive Bay	128
Removing and Replacing the Primary 3.5-inch Internal SATA Hard Drive	130
Removing and Replacing a Removable 3.5-inch SATA Hard Drive	134
Baffle	138
Front Fan Assembly	139
Front I/O and Power Switch Assembly	140
Speaker	142
Heat sink	143
Processor	144
Power Supply	145
System Board	146
Battery	147
Type 1 Battery Holder	148
Type 2 Battery Holder	148
Type 3 Battery Holder	149
External Security Devices	150
Installing a Security Lock	150
Cable Lock	150
Padlock	151
HP Business PC Security Lock	151
Front Bezel Security	153
Using the Small Form Factor Computer in a Tower Orientation	155
Connector Pin Assignments	156
Keyboard	156
Mouse	156
Ethernet RJ-45	157
Serial Interface, Powered and Non-Powered	157
USB	157
Microphone	158
Headphone	158
Line-in Audio	158
Line-out Audio	158
Monitor	159
4-Pin Power (for CPU)	159
PCI Express	160
PCI Express	161
DVI Connector	162
DisplayPort Connector	163
Power Cord Set Requirements	164
General Requirements	164
Japanese Power Cord Requirements	164
Country-Specific Requirements	165
POST Error Messages	166
POST Numeric Codes and Text Messages	167
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes	173
Troubleshooting Without Diagnostics	177
Safety and Comfort	177
Before You Call for Technical Support	177
Helpful Hints	178
Solving General Problems	180
Solving Power Problems	184
Solving Hard Drive Problems	185
Solving Media Card Reader Problems	188
Solving Display Problems	189
Solving Audio Problems	193
Solving Printer Problems	196
Solving Keyboard and Mouse Problems	197
Solving Hardware Installation Problems	198
Solving Network Problems	201
Solving Memory Problems	204
Solving Processor Problems	205
Solving CD-ROM and DVD Problems	206
Solving USB Flash Drive Problems	208
Solving Front Panel Component Problems	209
Solving Internet Access Problems	209
Solving Software Problems	212
Contacting Customer Support	213
Password Security and Resetting CMOS	214
Resetting the Password Jumper	215
Clearing and Resetting the CMOS	216
Specifications	218
Microtower Chassis	218
Small Form Factor Chassis	220

Match case Limit results 1 per page

Control panel message

Description

Recommended action

Invalid Electronic Serial Number

Electronic serial number is missing.

Enter the correct serial number in Computer

Setup.

Memory Parity Error

Parity RAM failure.

Third-party graphics card may be causing a

problem.

Run Computer Setup and Diagnostic

utilities.

Remove third-party graphics card to see if

the problem goes away.

Network Server Mode Active and No

Keyboard Attached

Keyboard failure while Network Server

Mode enabled.

Reconnect keyboard with computer

turned off.

Check connector for bent or missing

pins.

Ensure that none of the keys are

depressed.

Replace keyboard.

Parity Check 2

Parity RAM failure.

Third-party graphics card may be causing a

problem.

Run Computer Setup and Diagnostic

utilities.

Remove third-party graphics card to see if

the problem goes away.

Interpreting POST Diagnostic Front Panel LEDs and

Audible Codes

This section covers the front panel LED codes as well as the audible codes that may occur before or

during POST that do not necessarily have an error code or text message associated with them.

WARNING!

When the computer is plugged into an AC power source, voltage is always applied to

the system board. To reduce the risk of personal injury from electrical shock and/or hot surfaces, be

sure to disconnect the power cord from the wall outlet and allow the internal system components to

cool before touching.

NOTE:

If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on the front panel of

the computer and refer to the following table to determine the front panel LED codes.

Recommended actions in the following table are listed in the order in which they should be

performed.

Not all diagnostic lights and audible codes are available on all models.

Table C-2

Diagnostic Front Panel LEDs and Audible Codes

Activity

Beeps

Possible Cause

Recommended Action

Green Power LED On.

None

Computer on.

None

Green Power LED flashes

every two seconds.

None

Computer in Suspend to

RAM mode (some models

only) or normal Suspend

mode.

None required. Press any key or move the

mouse to wake the computer.

Table C-1

Numeric Codes and Text Messages (continued)

Interpreting POST Diagnostic Front Panel LEDs and Audible Codes

163