Lenovo 62 User guide - (Tower Form Factor) Lenovo 62 Desktop - Page 101

Networking problems, Ethernet problems

Get Lenovo 62 PDF manuals and user guides View all Lenovo 62 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 101 highlights

Networking problems The following are the most common networking problems. Select your networking problem from the following list: • "Ethernet problems" on page 89 • "A wireless LAN problem" on page 90 • "A wireless WAN problem" on page 91 • "Bluetooth problem" on page 91 For more information, see "Help and Support" on page 99. Ethernet problems For Ethernet problems, select your symptom from the following list: • "Your computer cannot connect to the network" on page 89 • "The adapter stops working for no apparent reason" on page 90 • "If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur" on page 90 • "If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead, it connects at 100 Mbps" on page 90 Your computer cannot connect to the network Symptom: Your computer cannot connect to the network. Actions: Ensure that: • The cable is installed properly. The network cable must be securely connected to both the Ethernet connector of your computer and the RJ45 connector of the hub. The maximum allowable distance from the computer to hub is 100 meters. If the cable is connected and the distance is within acceptable limits but the problem persists, try a different cable. • The cable is installed properly. • You are using the correct device driver. On the Windows 7 operating system, do the following: 1. Click Start ➙ Control Panel. 2. Click Hardware and Sound. 3. Click Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. 4. If an exclamation mark is displayed next to an adapter name under Network adapters, you might not be using the correct driver or the driver is not enabled. To update the driver, right-click the highlighted adapter. 5. Click Update Driver Software, and then follow the instructions on the screen. On the Windows 8 operating system, do the following: 1. Open Control Panel. 2. Click Hardware and Sound. 3. Click Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Chapter 10. Troubleshooting and diagnostics 89

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
Networking problems
The following are the most common networking problems. Select your networking problem from the
following list:
•
“Ethernet problems” on page 89
•
“A wireless LAN problem” on page 90
•
“A wireless WAN problem” on page 91
•
“Bluetooth problem” on page 91
For more information, see “Help and Support” on page 99.
Ethernet problems
For Ethernet problems, select your symptom from the following list:
•
“Your computer cannot connect to the network” on page 89
•
“The adapter stops working for no apparent reason” on page 90
•
“If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails
or errors occur” on page 90
•
“If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead,
it connects at 100 Mbps” on page 90
Your computer cannot connect to the network
Symptom: Your computer cannot connect to the network.
Actions: Ensure that:
•
The cable is installed properly.
The network cable must be securely connected to both the Ethernet connector of your computer and
the RJ45 connector of the hub. The maximum allowable distance from the computer to hub is 100
meters. If the cable is connected and the distance is within acceptable limits but the problem persists, try
a different cable.
•
The cable is installed properly.
•
You are using the correct device driver.
On the Windows 7 operating system, do the following:
1. Click
Start
➙
Control Panel
.
2. Click
Hardware and Sound
.
3. Click
Device Manager
. If you are prompted for an administrator password or confirmation, type the
password or provide confirmation.
4. If an exclamation mark is displayed next to an adapter name under
Network adapters
, you might
not be using the correct driver or the driver is not enabled. To update the driver, right-click the
highlighted adapter.
5. Click
Update Driver Software
, and then follow the instructions on the screen.
On the Windows 8 operating system, do the following:
1. Open Control Panel.
2. Click
Hardware and Sound
.
3. Click
Device Manager
. If you are prompted for an administrator password or confirmation, type the
password or provide confirmation.
Chapter 10
.
Troubleshooting and diagnostics
89