ملخص المحتوى في الصفحة رقم 1 
                    
                        Machine type: 10086/3109/4743 [K430]
 10089/1168/4744 [K410]
 10090/2556/4748 [K415]
 10121/90A1 [K450 ES]
 10120/90A0 [K450 Non-ES]
IdeaCentre K4 Series
User Guide
Version 1.0 2013.09
31505616                                                                                                                                                                                                                                                                                                                   
                    
                    ملخص المحتوى في الصفحة رقم 2 
                    
                        Important Safety Information Before using this manual, it is important that you read and understand all of the  related safety information for this product. Refer to the Safety and Warranty Guide  that you received with this product for the latest safety information. Reading and  understanding this safety information reduces the risk of personal injury or product  damage. The interface and functions shown in this User Guide are provided for reference  only and may differ from actual product appe
                    
                    ملخص المحتوى في الصفحة رقم 3 
                    
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                    
                    ملخص المحتوى في الصفحة رقم 4 
                    
                        Contents Important Safety Information Using the Computer Hardware ................................................. 1 Front view of the chassis ............................................................................2 Rear view of the chassis .............................................................................3 Connecting your computer .........................................................................8 5.1 Audio configuration instructions .....................................
                    
                    ملخص المحتوى في الصفحة رقم 5 
                    
                        Using the Software ................................................................... 29 Lenovo Support .......................................................................................30 Troubleshooting and Confirming Setup ................................. 31 Troubleshooting Display Problems ............................................................32 Troubleshooting Audio Problems ..............................................................33 Troubleshooting Software Problems .....
                    
                    ملخص المحتوى في الصفحة رقم 6 
                    
                        Using the Computer Hardware This chapter contains the following  topics:  Introduction to the computer hardware  Information on computer connections  Note: The descriptions in this chapter  might be different from what you see on  your computer, depending on the computer  model and configuration. User Guide 1                                                                                                                                                                                            
                    
                    ملخص المحتوى في الصفحة رقم 7 
                    
                        Front view of the chassis  Attention: Be careful not to block any air vents on the computer. Blocked  air vents can cause overheating. Power button Power Control Switch indicator ON/OFF (selected models only) Hard disk drive indicator Power control switch (selected models only) Memory card readers (selected models only) USB connector/USB power off charging connector (selected models only) Microphone connector Headphone connector Optical drives (some models are equipped with only one optical driv
                    
                    ملخص المحتوى في الصفحة رقم 8 
                    
                        Rear view of the chassis (If the rear view configuration shown in this chapter is different from the rear of your  computer, please refer to the rear of your computer.) IdeaCentre K450 Voltage selection switch (selected models only) Power connector DisplayPort connector (selected models only) HDMI connector (selected models only) On-board VGA connector USB 3.0 connector (selected models only) USB 2.0 connector Ethernet connector Audio connectors PCI Express X 16 graphics adapter slot (some model
                    
                    ملخص المحتوى في الصفحة رقم 9 
                    
                        PCI Express X 1 adapter slots (some models are equipped with a WIFI card or TV tuner card) IdeaCentre K430 Voltage selection switch (selected models only) Power connector HDMI connector (selected models only) USB connectors DisplayPort connector (selected models only) On-board VGA connector Ethernet connector Audio connectors PCI Express X 16 graphics adapter slots (some models are equipped with a  graphics card) 4 User Guide                                                                       
                    
                    ملخص المحتوى في الصفحة رقم 10 
                    
                        PCI Express X 1 adapter slots (some models are equipped with a WIFI card  or TV tuner card) IdeaCentre K410 Voltage selection switch (selected models only) Power connector USB connectors HDMI connector (selected models only) On-board VGA connector Ethernet connector Audio connectors PCI Express X 16 graphics adapter slot (some models are equipped with a  graphics card) PCI Express X 1 adapter slots (some models are equipped with a WIFI card  or TV tuner card) User Guide 5                        
                    
                    ملخص المحتوى في الصفحة رقم 11 
                    
                        IdeaCentre K415 Voltage selection switch (selected models only) Power connector USB connectors (USB ports 4 to 6) HDMI connector (selected models only) On-board VGA connector Ethernet connector Audio connectors PCI Express X 16 graphics adapter slot (some models are equipped with a  graphics card) PCI Express X 1 adapter slots (some models are equipped with a WIFI card  or TV tuner card)  Note: If your model has two VGA monitor connectors, be sure to use the  connector on the graphics adapter.  
                    
                    ملخص المحتوى في الصفحة رقم 12 
                    
                        Basic connector instructions Connector Description Microphone Use this connector to attach a microphone to your  computer when you want to record sound or if you  use speech-recognition software. Headphone Use this connector to attach headphones to your  computer when you want to listen to music or  other sounds without disturbing anyone. Audio line-in connector Used to receive audio signals from an external  audio device, such as a stereo system. When  you attach an external audio device, a cab
                    
                    ملخص المحتوى في الصفحة رقم 13 
                    
                        Connecting your computer  Note: Your computer may not have all of the connectors described in this  section.  Check the position of the voltage-selection switch on  the rear of the computer. Use a ballpoint pen to slide  the switch if necessary.  Note: Some computers do not have a voltage switch. These computers  control voltage automatically. •	 If	the	voltage	supply	range	is	100-127	V	AC,	set	the	switch	to	115	V . •	 If	the	voltage	supply	range	is	200-240	V	AC,	set	the	switch	to	230	V .    8 U
                    
                    ملخص المحتوى في الصفحة رقم 14 
                    
                        5.1 Audio configuration instructions This model of computer supports the transformation of stereo sound into 5.1  surround sound. Use the following guides when connecting to the 5.1 surround audio device: Blue line-in connector Surround Green line-out connector Front channel Pink Mic-in connector Center-LFE The configurations are as followings: 1. Right click the Sound icon in system property bar and select Sounds option to  setup the sounds in the pop-up dialog box. 2. Select a playback device 
                    
                    ملخص المحتوى في الصفحة رقم 15 
                    
                        7.1 Audio configuration instructions Use the following illustration when connecting a 7.1 surround sound audio system S/PDIF out connector Microphone input Connector Center / Low frequency output Audio line-out Connector connector Surround out connector Audio line-in Connector  Note: For more detailed settings, from Control panel, select Hardware and  Sound → Lenovo HD Audio Manager. Follow the instructions to configure  advanced settings. Sound configuration is as follows: 1. Right click the So
                    
                    ملخص المحتوى في الصفحة رقم 16 
                    
                        3. Select 7.1 surround from audio channels in the pop-up Speaker setup dialog  box and proceed with the speaker setup by following the prompts. 4. 7.1 surround sound can be used once this configuration procedure is complete.  Note: If the audio configuration interfaces above are different from those on  your computer, you may use the above steps as a reference to configure the  7.1 surround sound audio device system in your actual audio configuration  interface and read the electronic Help infor
                    
                    ملخص المحتوى في الصفحة رقم 17 
                    
                        Display connecting instructions when  playing Blu-ray Discs  Note: Only some models are equipped with Blu-ray optical drive. Check the connectors available on your computer and display and select an  appropriate cable according to the table below. Other types of cables do not meet  the requirements of the Blu-ray standard. You need to purchase the cable separately if the computer is not equipped with  the corresponding cable. This table will help you to identify the connectors on your computer a
                    
                    ملخص المحتوى في الصفحة رقم 18 
                    
                        Wireless network connection For wireless networks, you can use the built-in wireless LAN antenna to access  your wireless home network. To connect your computer to the wireless network: 1. Move the cursor to the top right or bottom right corner of the screen, then click  Settings. (If your computer is equipped with touch screen, swipe in from the  right edge of the screen, then tap Settings.) 2. Click or tap the network icon , then select the name of your router. Click or  tap Connect, then foll
                    
                    ملخص المحتوى في الصفحة رقم 19 
                    
                        Hot-swappable hard disk (selected models  only) •	 Components Hot-swappable hard disk USB adapter USB cable You can plug in the hot-swappable hard disk while the computer system using it is  working, without damaging the hard disk data. You can back up the data on this  hot-swappable hard disk at any time for data maintenance or data transmission. •	 Using	the	hot-swappable	har d	disk Method 1: Slide it into the bay from the front until it clicks into position. 14 User Guide                     
                    
                    ملخص المحتوى في الصفحة رقم 20 
                    
                        Method 2: Pull the hot-swappable hard disk drive out of the drive bay, then  connect the hot-swappable hard disk drive to the other computer.  Notes: •	 Do	not	unplug	the	har d	disk	while	it	is	copying	data,	as	this	may	r esult	 in loss of data. •	 After	connecting	the	har d	disk	and	all	the	cables,	wait	a	moment	to	 allow the system to recognise the hard disk. •	 Do	not	install	the	operating	system	on	the	hot-swappable	har d	disk. •	 Do	not	unplug	the	har d	disk	while	it	is	running	a	pr ogram,