Lenovo IdeaCentre K3 User Guide

26User Guide
Solving Problems
Follow these tips when troubleshooting your computer:
•	 If	you	added	or	removed	a	part	before	the	problem	started,	review	the	installation procedures to ensure that the part is correctly installed.
•	 If	a	peripheral	device	does	not	work,	ensure	that	the	device	is	properly	 connected.
•	 If	an	error	message	appears	on	the	screen,	write	down	the	exact	message.
  This message may help support personnel diagnose and fix the problem(s).
•	 If	an	error	message	occurs	in	a...

27User Guide
Problem: Ripple on screen.
Troubleshooting and problem resolution:
1. Check to see if any of the following devices are located less than one meter 
from the computer: refrigerators, electric fans, electric dryers, UPS systems, 
regulators, fluorescent lamps or other computers that may be generating 
magnetic interference.
2.  Move any interfering devices away from the computer.
3.  If the problem persists, contact Lenovo Service.
4.2  Troubleshooting Audio Problems
Problem: No sound from the...

28User Guide
Problem: You need to install or uninstall a program.
Problem resolution:
During installation never abort the install process by powering the system off or
through other drastic means. This can cause system program disorder or even
failure during system initialization.
During the uninstall process, never directly delete the files or folders. This is 
harmful to the system, and might cause a system-wide malfunction.
Use the following procedure to properly uninstall programs:
1. Back up all...

29User Guide
Problem: The capacity of the hard disk, as indicated by the system, is less than 
the nominal capacity.
Troubleshooting and problem resolution: For computers equipped with the 
OneKey Recovery feature, the system recovery feature needs to occupy some 
hard disk space. This may account for the apparent hard disk capacity deficit.
Further Technical Explanation: The nominal capacity of the hard disk is
expressed in the decimal system, 1000 bytes. But the actual hard disk capacity is
expressed...

30User Guide
•	 You	must	set	the	TV	tuner	input	signal	to	analog	before	you	can	watch	Teletext programming.
4.6  Performing Daily Maintenance Tasks
Cleaning the computer components
Because many of the computer components consist of sophisticated integra\
ted
circuit boards, it is very important to periodically clean the computer
to prevent dust buildup. The cleaning supplies you need to clean the
components include: a vacuum cleaner, a soft cotton cloth, clear water (preferably 
purified or distilled...