Lenovo H520g Lenovo H520g Hardware Maintenance Manual - Page 45

The pointer on the screen does not move smoothly with the mouse, The fingerprint reader does not work - driver

Get Lenovo H520g PDF manuals and user guides View all Lenovo H520g manuals
Add to My Manuals
Save this manual to your list of manuals

Page 45 highlights

If these actions do not correct the problem, have the computer and keyboard serviced. See "Lenovo Support Web site" on page 30 for details. The mouse or pointing device does not work Symptom: The mouse or pointing device does not work. Actions: • Verify that the mouse or pointing-device cable is securely attached to the correct connector on the computer. Depending on the type of mouse you have, the mouse cable will connect to either the mouse, serial, or USB connector. Some keyboards have integrated USB connectors that can be used for a USB mouse or pointing device. • Verify that the device drivers for the mouse or pointing device are installed correctly. • If you are using a USB keyboard or mouse, verify that the USB connectors are enabled in the BIOS settings. See "Enabling or disabling a device" on page 55. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Solution Center" on page 51 for instructions). If you need technical assistance, see "Lenovo Support Web site" on page 30. The pointer on the screen does not move smoothly with the mouse Symptom: The pointer on the screen does not move smoothly with the mouse. Action: Erratic movement of the mouse pointer is generally caused by a buildup of dirt, oils, and other contaminants on the ball inside the mouse. Clean the mouse. The fingerprint reader does not work Symptom: The fingerprint reader does not work. Action: The following could cause the fingerprint reader not to operate properly: • Not enrolling your fingerprint correctly. • Scratching the surface of the reader with a hard, pointed object. • Scraping the surface of the reader with your nail or anything hard. • Using or touching the reader with a dirty finger. • The surface of your finger is very different from when you enrolled your fingerprint. The wireless keyboard does not work Symptom: The wireless keyboard does not work. Action: If the Transceiver Communications LED is on and the wireless Keyboard does not work, restart your computer. If restarting your computer does not solve the problem, verify that the following conditions are met: • The batteries are properly installed. • The batteries still retain their current. • The wireless Keyboard is located less than ten meters away from the transceiver. • The transceiver is fully installed. Action: If the Transceiver Communications LED is not on, reconnect the transceiver and the keyboard. Chapter 5. Troubleshooting and diagnostics 41

  • 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
If these actions do not correct the problem, have the computer and keyboard serviced. See “Lenovo
Support Web site” on page 30 for details.
The mouse or pointing device does not work
Symptom: The mouse or pointing device does not work.
Actions:
•
Verify that the mouse or pointing-device cable is securely attached to the correct connector on the
computer. Depending on the type of mouse you have, the mouse cable will connect to either the
mouse, serial, or USB connector. Some keyboards have integrated USB connectors that can be used
for a USB mouse or pointing device.
•
Verify that the device drivers for the mouse or pointing device are installed correctly.
•
If you are using a USB keyboard or mouse, verify that the USB connectors are enabled in the BIOS
settings. See “Enabling or disabling a device” on page 55.
If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on
page 51 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 30.
The pointer on the screen does not move smoothly with the mouse
Symptom: The pointer on the screen does not move smoothly with the mouse.
Action: Erratic movement of the mouse pointer is generally caused by a buildup of dirt, oils, and other
contaminants on the ball inside the mouse. Clean the mouse.
The fingerprint reader does not work
Symptom: The fingerprint reader does not work.
Action: The following could cause the fingerprint reader not to operate properly:
•
Not enrolling your fingerprint correctly.
•
Scratching the surface of the reader with a hard, pointed object.
•
Scraping the surface of the reader with your nail or anything hard.
•
Using or touching the reader with a dirty finger.
•
The surface of your finger is very different from when you enrolled your fingerprint.
The wireless keyboard does not work
Symptom: The wireless keyboard does not work.
Action: If the Transceiver Communications LED is on and the wireless Keyboard does not work, restart your
computer. If restarting your computer does not solve the problem, verify that the following conditions are met:
•
The batteries are properly installed.
•
The batteries still retain their current.
•
The wireless Keyboard is located less than ten meters away from the transceiver.
•
The transceiver is fully installed.
Action: If the Transceiver Communications LED is not on, reconnect the transceiver and the keyboard.
Chapter 5
.
Troubleshooting and diagnostics
41