Lenovo IdeaCentre K450 Support Question
Lenovo IdeaCentre K450 Support Question
Find answers below for this question about Lenovo IdeaCentre K450.Need a Lenovo IdeaCentre K450 manual? We have 5 online manuals for this item!
Question posted by tsjohnso on June 25th, 2014
Why Can't I Get The Pc Sound To Work?
I just set up a new PC and there is no sound through speakers. All volume has been checked and speakes are not set up in Mute mode.
Current Answers
Answer #2: Posted by harrytonia on June 25th, 2014 8:26 PM
harrytonia
Member since:
June 14th, 2014 Points: 92,860
Member since:
June 14th, 2014 Points: 92,860
Related Lenovo IdeaCentre K450 Manual Pages
Safety and Warranty guide - Page 6
... references to notebook computers, some products (such as speakers and monitors) ship with your product, you can...can help protect yourself from hazards and create a safer computer work environment. For more information, refer to be used again ... features can result in this document and provided with your desktop or notebook personal computer. Follow and retain all information included...
Safety and Warranty guide - Page 47
... the United States, other countries, or both. All rights reserved. Names or marks of Intel Corporation in other countries. Trademarks
Lenovo and the Lenovo logo, IdeaCentre and IdeaCentre logo are trademarks of Advanced Micro Devices, Inc. Other company, product, or service names referred to herein or in the U.S. and/or other Lenovo...
IdeaCentre K4 Series Hardware Maintenance Manual - Page 1
IdeaCentre K4 Series Hardware Maintenance Manual
ideaideaideaCentreidea
Machine Types: 10120/90A0 [K450 ES]; 10121/90A1 [K450 Non-ES]
IdeaCentre K4 Series Hardware Maintenance Manual - Page 7
... product, be sure to read the Safety Information. Lesen Sie unbedingt alle Hinweise vom Typ "ACHTUNG" oder "VORSICHT" in this manual is intended only for IdeaCentre K450 computers listed on the cover.
Important Safety Information
Be sure to read all caution and danger statements in this manual
This manual contains service and...
IdeaCentre K4 Series Hardware Maintenance Manual - Page 10
...use this type of mat to switch off power.
4 IdeaCentre K4 SeriesHardware Maintenance Manual Remember: Another person must be there...powered-on electrical equipment. When using a tester, set the controls correctly and use worn or broken tools ... decrease electrostatic discharges. First, check that has exposed electrical circuits, observe the following rules when working with the power-off ....
IdeaCentre K4 Series Hardware Maintenance Manual - Page 12
...8226; Connect and disconnect cables as those listed below, to provide a static-free work mat to provide protection that will be verified by a certified electrician.
DANGER
Electrical ... the device covers, unless instructed otherwise in this product or attached devices.
6 IdeaCentre K4 SeriesHardware Maintenance Manual Attach the ESD ground clip to eliminate static on these systems...
IdeaCentre K4 Series Hardware Maintenance Manual - Page 14
...(70.5 lbs)
≥55 kg(121.2 lbs)
CAUTION: The power control button on the device and the power switch on top of rack-mounted devices.
8 IdeaCentre K4 SeriesHardware Maintenance Manual
IdeaCentre K4 Series Hardware Maintenance Manual - Page 15
...
This chapter provides general information that applies to 106KPa Electrical input: Input voltage: 90V-264V(AC) Input frequency: 47Hz-63Hz
© Copyright Lenovo 2013
9
Type IdeaCentre K450 This section lists the physical specifications. This section lists the physical specifications for your computer. Chapter 3.
IdeaCentre K4 Series Hardware Maintenance Manual - Page 20
... following : 1.
A setup notice will display that changes have been saved. You might want to 16 character (a-z, and 0-9).
14 IdeaCentre K4 SeriesHardware Maintenance Manual The password dialog box will be any configuration settings. Type the new password, then press Enter key.
Power-On Password
When a Power-On Password is typed from the keyboard. If...
IdeaCentre K4 Series Hardware Maintenance Manual - Page 22
... CD/DVD-ROM drive disk or hard disk as , press the Enter key and then select SATA mode. Note: Not all CDs, DVDs or hard disk drives are bootable. 1. When the Startup Device ...the Startup Device Menu and press the Enter key to save the settings, select Discard changes and Exit from the menu.
16 IdeaCentre K4 SeriesHardware Maintenance Manual
Selecting or changing the startup device sequence
To ...
IdeaCentre K4 Series Hardware Maintenance Manual - Page 26
... initialize the keyboard. Make sure you have been removed and the problem continues, replace the system board.
20 IdeaCentre K4 SeriesHardware Maintenance Manual Remove or disconnect the following :
• Checks some basic system-board operations • Checks that the memory is working correctly • Starts video operations • Verifies that the boot drive is...
IdeaCentre K4 Series Hardware Maintenance Manual - Page 28
IdeaCentre K450 Lenovo K450
12 3 4
5
6
7 8
9 10 11 12 13
27 26 25 24 23 22 21 20 19 18 17 16 15 14
1 12V power connector...Power fan header
15 Front panel connector 16 Front USB 2.0 connector 17 Battery 18 Clear CMOS jumper 19 Front USB 3.0 connector 20 Mode switch connector 21 Serial (COM2)connector 22 ME disable jumper 23 LPC debug connector 24 Clear CMOS jumper 25 Front audio connector 26 ...
IdeaCentre K4 Series Hardware Maintenance Manual - Page 30
... drives, shut down the computer, and turn off all power cords from the computer and connect the new keyboard cable to "Front view of the chassis" and "Rear view of the chassis.
24 IdeaCentre K4 SeriesHardware Maintenance Manual
Refer to the same connector. The mouse can be connected to the computer.
Removing...
IdeaCentre K4 Series Hardware Maintenance Manual - Page 32
..., and then snap it helps to be replaced by releasing the three plastic tabs inside the chassis and sliding the bezel out as shown.
26 IdeaCentre K4 SeriesHardware Maintenance Manual Refer to "Locating components". Replacing a memory module
Note: For this procedure, it into position. Step 3. Step 3. Step...
IdeaCentre K4 Series Hardware Maintenance Manual - Page 34
... replace an optical drive:
Step 1. Remove the computer cover.
Reattach the front bezel and computer cover.
28 IdeaCentre K4 SeriesHardware Maintenance Manual Refer to the new disk drive. Step 6. Reattach the computer cover. Slide the new hard disk drive into the drive bay and slide the drive bay into position.
Step 8. Replacing an...
IdeaCentre K4 Series Hardware Maintenance Manual - Page 36
If your computer has a single graphics card installed, follow the steps below to the chassis, open it, and remove the Duo-graphics cards connector.
4 1
3 2 c. Remove the graphics card by pulling it :
30 IdeaCentre K4 SeriesHardware Maintenance Manual Remove the screw that secures the graphics card latch to replace it straight out of the connector. b.
IdeaCentre K4 Series Hardware Maintenance Manual - Page 38
... the graphics card latch to the closed position and secure it with the screw. 32 IdeaCentre K4 SeriesHardware Maintenance Manual Step 4. Step 5. Remove the computer cover. Remove the TV-Tuner card by pulling it . 1 2 3
3 2 1 Step 3. Install the new TV-tuner into the same connector. Turn the graphics card latch to the chassis...
IdeaCentre K4 Series Hardware Maintenance Manual - Page 40
... on the motherboard.
To install the new microprocessor fan: a. b.
Step 2. Step 4.
Disconnect all power cords from electrical outlets.
34 IdeaCentre K4 SeriesHardware Maintenance Manual
Connect the microprocessor... other cables that secure the microprocessor fan to the heat-sink and lift up the new microprocessor fan with the heat-sink and secure it helps to the computer. Step 5....
Lenovo IdeaCentre K4 Series User Guide - Page 8
...
(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...
Lenovo IdeaCentre K4 Series User Guide - Page 8
...
(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...
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