Lenovo A3000h Manual

22Lenovo 3000 H Series User Manual
The desktop display can be adjusted in the
Display Properties. Right click on any place
in the desktop that has no icons, and select
Properties.
You can find the options of Themes,
Desktop, Screen Saver, Appearance,
Settings, and etc.
•Desktop: Allows  you to set the
background picture.
•Screen Saver: Allows  you to select the
screen saver program.
•Appearance: Allows you to set the icons
and texts.
•Settings: Allows you to set the screen
resolution and color quality....

23Lenovo 3000 H Series User Manual
Step 2
From the Properties menu, select
“Recording”. Check the Microphone option
and click “OK”.
Step 1
Click “Options” at the upper left of the Main
Volume Control window, and select “Properties”.
2The computer has no sound output at all.
1) Check to see if the speakers are properly connected to the computer.
2) Check to make sure that the sound channels are not muted. Double click the speaker icon at the
bottom right of the toolbar and confirm if the mute option is...

24Lenovo 3000 H Series User Manual
Step 3
Under Microphone, check the Select option
and adjust the volume to a desired level.
Click “Close”.
Desktop shortcut
Start menu
 Quick launch barTask bar Notification area
The monitor screen is called the desktop.
After you starts your computer. With
different desktop settings, you can find
different icons and menus are shown on the
desktop.
4.3 Desktop Icons
Usage of task bar
The task bar and some shortcut icons are located at the bottom of the screen. The...

25Lenovo 3000 H Series User Manual
Right click on any blank area of the task bar,
and select “Properties” from the menu.
Adjusting the task bar layout
You can customize the appearance of the
task bar in the Taskbar and Start Menu
Properties menu. 1) The Quick Launch icons usually include Media Player, Internet Explorer browser, and much more.
2) To display a pop-up window that is on the task bar, right click on the icon of the window. You can select
Restore, Maximize, or Close the window.
3) There are...

26Lenovo 3000 H Series User Manual
Press Ctrl+ALT+Delete to open the Task
Manager window. Select the targeted
program you want to end and click
 “End Task”.
4.4 Software Problems
4.4.1 End Programs
If you are running a program and cannot exit in a normal way, you can end it with the Task Manager.
4.4.2 Add or remove programs
Install programs
When installing a program, you should avoid terminating the installation in an improper way (such as a power
break) because it might cause system errors or even...

27Lenovo 3000 H Series User Manual
4.5 CD-ROM Drive and hard disk drive
1. CD-ROM read error
Please check to make sure that there is a  CD-ROM icon present in the system explorer. If there is not an
icon, please restart your computer. If the CD-ROM icon is still missing, please contact your Lenovo
Customer Service Center. If the icon is present, check the following:
•Check to make sure that the CD-ROM is correctly inserted into the CD-ROM drive. If necessary, reinsert
the CD-ROM into the drive.
•Check to...

28Lenovo 3000 H Series User Manual
The actual capacity of a marked capacity of 40G is 40 x 1000 x 1000 x 1000/ (1024 x 1024 x 1024) =
37G. If there is a 3G hidden partition, which is actually 3 x 1000 x 1000 x 1000/(1024 x 1024 x 1024) =
2.79G, you can get the capacity that is shown in Windows by minus 2.79G with 37G. Due to the rounding
of minor numbers in calculation, there might be a slight discrepancy between the actual value shown in the
system and the calculated value.
4.6 Special Notes on Models...

Appendix
Appendix
Please read and follow all instructions on safety in this appendix. It 
will help you work comfortably, efficiently, and protect you and 
your computer.
Helpful tips
Static Electricity Prevention
1. All internal switches, memory modules, plugs, and other components are static-senstive. Your body may be in contact  with these 
static-senstive devices when handling options and other components.  To avoid damage to the parts, please touch a grounded 
device to discharge the static...

Appendix
Appendix
Handling for Repair
1.  Please do not open the chassis or bezel of your computer. Please disconnect all cables before opening the chassis or disassemble 
any parts. This should be done by or under the instruction of the professional technician authorized by Lenovo. Do not damage the 
seal. 
2.  Please do not insert your hand or other objects into the hole or the joint parts of the standing of the speaker, to avoid the damage 
against the vibrating film. Do not open the power supply of...

Appendix 
5.  Do not place your diskettes near any magnetic objects; otherwise the data saved on the diskettes may get damaged. Remove the 
CD-ROM from the CD-ROM drive and put it in a CD-ROM bag or holder. 
6.  Plug and unplug all cables with slight force and pay attention to the direction. Do not quickly plug and unplug the USB device when 
the power is on, to prevent the system form getting unstable. When the USB device doesn’t work well, please restart your comput-
er. 
7.  Do not place an optical...