Lenovo 8131, 8124, 8138, 8123, 8137, TC A51-8122 warranty Symptom Action

Symptom	Action
The keyboard does not	Verify that:
work. The computer	v The computer and monitor are turned on and the
does not respond to the	brightness and contrast controls are set correctly.
keyboard.
	v The keyboard is securely connected to the keyboard
	connector on the computer.
	v No keys are stuck.
	If you cannot correct the problem, have the computer
	serviced.
The Enhanced	Verify that:
Performance USB	v The computer is turned on.
Keyboard does not work	v The keyboard is securely connected to a USB connector on
	the rear of the computer.
	v No keys are stuck.
	If you cannot correct the problem, have the computer
	serviced.
The mouse does not	Clean the mouse. Verify that:
work. The computer	v The computer and monitor are turned on and the
does not respond to the	brightness and contrast controls are set correctly.
mouse.
	v The mouse is securely connected to the mouse connector
Note: This applies to a
mechanical mouse only.	on the computer.
	If you cannot correct the problem, have the computer
	serviced.
The operating system	Verify that:
will not start.	v There is no diskette in the diskette drive.
	v The startup sequence includes the device where the
	operating system resides. Usually, the operating system is
	on the hard disk.
	During startup, look for prompt to start the Setup Utility
	program. See “Starting the Setup Utility” on page 9 for
	details.
	Verify the startup sequence in the Setup Utility program.
	If you cannot correct the problem, have the computer
	serviced.
An error code is	Write down the code number, and see “Error codes” on page
displayed before the	27.
operating system starts.
The computer beeps	Verify that no keys are stuck down.
multiple times before the	If you cannot correct the problem, have the computer
operating system starts.
	serviced.

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