HP Officejet LH 6000 User Manual Page 73
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- Table of contents
- TROUBLESHOOTING
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Chapter 5 Troubleshooting
67
Environmental problems result from:
◊
◊◊
◊ Radiated Interference: Sources include communications and radar installations (such as at
an airport), radio/TV broadcast transmitters, and hand-held receivers.
◊
◊◊
◊ Airborne Contaminants: Sources include dust, smoke, and ashes. Steam from duplication
equipment may result in intermittent disk errors.
Keyboard and Mouse Problems
Symptoms:
The keyboard does not work.
A character is not displayed when a key is pressed.
1. Review the Troubleshooting Checklist before you continue.
2. Make sure that the keyboard is not locked.
3. Make sure that the keyboard cable connections at the rear of the server and at the back of the
keyboard are securely and correctly attached.
4. If a keyboard/monitor switchbox is used with this HP NetServer, plug the keyboard directly into
the keyboard port of the HP NetServer. Verify the problem.
5. If the problem persists, turn off the server and back on by using the power button.
6. Try replacing the keyboard with a known good keyboard.
7. If the problem persists, check the keyboard cable for continuity, or try a known good cable.
8. If the problem persists, replace the system board.
The mouse does not work or is intermittent.
The HP NetServer automatically detects a mouse when one is installed. If the mouse or other input device is
not working, perform the following:
1. Review the Troubleshooting Checklist before you continue.
2. Check that the mouse cable is properly and securely connected to the NetServer.
3. If a keyboard/monitor switchbox is used with this HP NetServer, plug the mouse directly into the
keyboard port of the HP NetServer. Verify the problem.
4. Verify that the mouse's port does not have a resource conflict. Use the Setup Utility (press
[F2]).
5. Verify that the correct mouse driver has been installed onto the boot drive. Refer to the mouse
installation manual or the operating system manual.
6. Replace the mouse with a known good unit.
7. If the problem persists, replace the system board.
Network Interface Card Problems
See the appropriate Network Interface Card documentation.
Symptoms:
The adapter can't connect to the network.
- HP NetServer LH 6000/LH 6000r 1
- Service Manual 1
- Audience Assumptions 2
- Contents 3
- 1 General Information 7
- (1) Unlock the bezel 8
- Anti-Tip 10
- Top Cover 11
- Right Cover 11
- Bottom Cover 11
- Top Cove 12
- Chapter 1 General Information 13
- 13
- Front View 15
- Rear View 16
- Lights and Indicators 16
- Power status 18
- LED aperture 18
- Power (Green) 19
- Main Menu 20
- Event Log Menu 21
- 2 System Information 23
- Serial Port Connector 24
- Parallel Port Connector 25
- Mini-DIN Connectors 26
- Memory Guidelines 27
- Mass Storage Guidelines 28
- Accessory Board Guidelines 29
- HP NetRAID Guidelines 30
- Processors Guidelines 31
- Technical Specification 32
- Environment Specifications 33
- Dimensions 33
- Switch Settings 34
- Switches 1 and 4 35
- System Board Illustration 36
- I/O Board Illustration 37
- Chapter 2 System Information 38
- 3 Parts Information 39
- Chapter 3 Parts Information 40
- Exploded View - Mass Storage 41
- Exploded View - Exhaust Fans 43
- Replaceable Parts List 44
- Keyboards 47
- Power Cords 47
- Cabling Diagram 47
- HP NetServer LH6000/LH6000r 48
- Cabling: Power 48
- Cabling: Data 48
- 4 Diagnostics 49
- HP NetServer DiagTools 50
- POST Routines 52
- Beep Codes 53
- Error Messages 54
- Chapter 4 Diagnostics 55
- 5 Troubleshooting 61
- The System Will Not Power Up 63
- The System Will Not Boot 63
- Intermittent Failures 63
- Switches 1 and 4 of 64
- S1, shown in the ON 64
- Password Problems 65
- BIOS Recovery 66
- Troubleshooting Checklist 67
- General System Problems 68
- • power supply failure 69
- Memory Problems 70
- CD-ROM Problems 71
- Flexible Disk Drive Problems 72
- Keyboard and Mouse Problems 73
- Power Problems 74
- SCSI Subsystem Problems 75
- Chapter 5 Troubleshooting 76
- Video/Monitor Problems 79
- Configuration Problems 81
- Status LED 82
- Indicator 82
- Processor Problems 83
- Printer/DataComm Problems 84
- 6 Replacing Parts 85
- Replacing the Control Panel 86
- Replacing the HP NetRAID DIMM 87
- Replacing the System Battery 88
- Unplug cable 90
- Backplane 90
- Battery Backup Module (BBM) 90
- Replacing System Memory 91
- Insert DIMMs in Matched Pairs 93
- Replacing a Processor 94
- Replacing a VRM 95
- Removing a Rear Chassis Fan 97
- Replacing the I/O Fans 98
- Replacing the Processor Fans 98
- Removing a Processor Fan 99
- Chapter 6 Replacing Parts 100
- Remove cage mounting screws 100
- Replacing the I/O Board 101
- Disconnecting the I/O Board 102
- Replacing the Processor Board 103
- Processor Board 104
- Replacing the System Board 105
- Hot-Swap Board Assembly 109
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