HP 280 G1 Specifications Page 93
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Table 7-2 Solving Network Problems (continued)
Network status link light never flashes.
NOTE: The network status light is supposed to flash when there is network activity.
Cause Solution
To access Device Manager in Windows 7, click Start, select
Control Panel, and then select Device Manager.
To access Device Manager in Windows 8.1, from the Start
screen, type c, select Control Panel from the list of
applications, and then select Device Manager.
Network driver is not properly loaded. Reinstall network drivers.
System cannot autosense the network. Disable auto-sensing capabilities and force the system into the
correct operating mode.
Diagnostics reports a failure.
Cause Solution
The cable is not securely connected. Ensure that the cable is securely attached to the network
connector and that the other end of the cable is securely attached
to the correct device.
The cable is attached to the incorrect connector. Ensure that the cable is attached to the correct connector.
There is a problem with the cable or a device at the other end of
the cable.
Ensure that the cable and device at the other end are operating
correctly.
Network controller interrupt is shared with an expansion board. Under the Computer Setup Advanced menu, change the resource
settings for the board.
The network controller is defective. Contact an authorized service provider.
Diagnostics passes, but the computer does not communicate with the network.
Cause Solution
Network drivers are not loaded, or driver parameters do not
match current configuration.
Make sure the network drivers are loaded and that the driver
parameters match the configuration of the network controller.
Make sure the correct network client and protocol is installed.
The network controller is not configured for this computer. Select the Network and Sharing Center icon in the Control Panel
and configure the network controller.
To access Control Panel in Windows 7, click Start, and then select
Control Panel.
To access Control Panel in Windows 8.1, from the Start screen,
type c, and then select Control Panel.
Solving Network Problems 85
- Maintenance and Service Guide 1
- Safety warning notice 3
- Table of contents 5
- 1 Product description 9
- 2 Product Features 12
- Front panel components 13
- Rear panel components 14
- Rear panel components 7 15
- Serial Number Location 16
- 3 Illustrated parts catalog 17
- Misc parts 19
- Generating static 21
- Grounding the work area 22
- Operating guidelines 23
- Routine care 24
- Service considerations 25
- Cables and connectors 26
- Hard Drives 26
- Lithium coin cell battery 26
- SATA hard drives 27
- SATA hard drive cables 27
- SMART ATA drives 27
- Cable management 28
- Preparation for disassembly 29
- Access panel 30
- Front bezel 31
- Optical drive bezel blank 32
- DDR3/DDR3L-SDRAM UDIMMs 33
- Populating DIMM sockets 33
- Installing DIMMs 34
- Expansion cards 35
- Drive positions 39
- Removing an optical drive 40
- Removing a hard drive 41
- Card reader 45
- Heat sink 47
- Processor 48
- 7. Remove the speaker 51
- Speaker 43 51
- Rear chassis fan 52
- Rear chassis fan 45 53
- Hood sensor 54
- Power supply 55
- System board 57
- System board callouts 58
- Computer Setup—File 61
- Computer Setup—Storage 62
- Computer Setup—Security 63
- Computer Setup—Power 66
- Computer Setup—Advanced 67
- Safety and comfort 70
- Helpful hints 71
- Solving general problems 72
- Solving general problems 65 73
- Solving general problems 67 75
- Solving power problems 76
- Solving hard drive problems 77
- Solving display problems 80
- Solving display problems 73 81
- Solving display problems 75 83
- Solving audio problems 84
- Solving audio problems 77 85
- Solving printer problems 86
- Solving Network Problems 91
- Solving Network Problems 85 93
- Solving memory problems 94
- Solving software problems 100
- Solving software problems 93 101
- 8 POST error messages 102
- 10 HP PC Hardware Diagnostics 114
- 11 System backup and recovery 116
- Creating recovery media 119
- System Restore 121
- System Recovery 122
- Recommended Applications 125
- A Battery replacement 126
- B Power Cord Set Requirements 128
- Country-Specific Requirements 129
- C Statement of Volatility 130
- D Specifications 132
- ERecycling 133
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