Dell Dimension 2400 Owner's Manual - Page 24

Keyboard Problems, Lockups and Software Problems - diagnostic lights

Get Dell Dimension 2400 PDF manuals and user guides View all Dell Dimension 2400 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 24 highlights

www.dell.com | support.dell.com Keyboard Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. CHECK THE KEYBOARD CABLE - • Ensure that the keyboard cable is firmly connected to the computer. • Shut down the computer (see page 18), reconnect the keyboard cable as shown on the setup diagram for your computer, and then restart the computer. • Check the cable connector for bent or broken pins and for damaged or frayed cables. Straighten bent pins. • Remove keyboard extension cables and connect the keyboard directly to the computer. TEST THE KEYBOARD - Connect a properly working keyboard to the computer, and try using the keyboard. If the new keyboard works, the original keyboard is faulty. CHECK FOR INTERRUPT REQUEST CONFLICTS - See page 44. Lockups and Software Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. The computer does not start up CHECK THE DIAGNOSTIC LIGHTS - See page 35. ENSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND TO THE ELECTRICAL OUTLET The computer stops responding NOTICE: You might lose data if you are unable to perform an operating system shutdown. TURN THE COMPUTER OFF - If you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer turns off. Then restart your computer. 24 Solving Problems

  • 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
24
Solving Problems
www.dell.com | support.dell.com
Keyboard Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide
.
Lockups and Software Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide
.
The computer does not start up
The computer stops responding
NOTICE:
You might lose data if you are unable to perform an operating system shutdown.
C
HECK
THE
KEYBOARD
CABLE
—
•
Ensure that the keyboard cable is firmly connected to the computer.
•
Shut down the computer (see page 18), reconnect the keyboard cable as shown on the setup diagram for
your computer, and then restart the computer.
•
Check the cable connector for bent or broken pins and for damaged or frayed cables. Straighten bent
pins.
•
Remove keyboard extension cables and connect the keyboard directly to the computer.
T
EST
THE
KEYBOARD
—
Connect a properly working keyboard to the computer, and try using the keyboard.
If the new keyboard works, the original keyboard is faulty.
C
HECK
FOR
INTERRUPT
REQUEST
CONFLICTS
—
See page 44.
C
HECK
THE
D
IAGNOSTIC
L
IGHTS
—
See page 35.
E
NSURE
THAT
THE
P
OWER
C
ABLE
IS
F
IRMLY
C
ONNECTED
TO
T
HE
C
OMPUTER
AND
TO
T
HE
E
LECTRICAL
O
UTLET
T
URN
THE
COMPUTER
OFF
—
If you are unable to get a response by pressing a key on your keyboard or
moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer
turns off. Then restart your computer.