Lenovo A3000h Manual

							12Lenovo 3000 H Series User Manual
Backup Uninstallation
Press E to confirm the uninstall backup.
Note: Some space will become free space
being released and cannot be consolidated
in the last partition.
Backup Uninstallation
After the uninstallation is completed, you will
be prompted to restart your computer.
Help
Press key ( R ) and ( r ) to select “Help”,and
press key “Enter” to confirm.You can get
helpful tips about how to use the OneKey
Recovery function. 
						

							3
This chapter provides the following:

System restore

Disk cleanup

Hard disk  error checking and repairing

Disk defragment

Daily care
Safety In Use
13Lenovo 3000 H Series User Manual
Chapter 3 
						

							14Lenovo 3000 H Series User Manual
Step2
Click “Accessories”.
3.1 System Restore
Sometimes your computer may have some problems due to improper operation. In such case, you may
restore your system by a simple way with the system backup.
(Please note the current settings of your system will be lost. Please make sure the backup of your settings.)
Step 1
Click “Start → All Programs”. 
						

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Step 3
From the “Accessories” menu, click
“System Tools”.
Step 4
Click “System Restore”.
Step 5
Select “Restore my computer to an earlier
time” and then click “Next”.
Step 6
Select the most recent date in which the
system performed well (you can choose a
specific month by clicking on the arrows
located at the sides of the calendar).
Select “System Check Point” or “Restore
Point” and then click “Next”. 
						

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You can create a system restore point before making some changes on your system settings (such as
installing a game, or else.) by following the instructions below.
Step 1
When you enter the “System Restore”
interface, select “Create a restore point”,
and then click “Next”.
Step 7
All programs will be closed before the
system recovery starts. Please save all your
data and then click “Next” .
After the operation is successfully
completed, you will be prompted to
restart your computer. Click
 “OK”  to
continue.
Step 2
Enter a name that is easy to identify in the
“Restore point descriptions” field and then
click “Create”.
Step 3
After the creation of restore is successfully
completed, click “Close”.
Note: If this operation fails, please
backup your data and start the OneKey
Recovery function. Please refer to the
section of OneKey Recovery for more
details. 
						

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Step 3
Select the files in the dialog box that will be
deleted.(Usually select all types of files)
Step 4
Click “OK”.
Step 5
When the dialog box displays, click “Yes”.
3.2 Disk Cleanup
By cleaning your hard disk on regular basis, you can obtain better system performance.
Step 1
Click “Start → All Programs → Accessories”.
Step 2
Select “System Tools → Disk Cleanup”. 
						

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Step 1
Double click on the “My Computer” icon on
your desktop.
3.3 Hard disk error checking and repairing
With disk error checking and repairing on a regular basis, you can maintain your computer in a good
condition, and correct some errors during operation.
Step 2
In the “My Computer” window, select the
disk drive that needs to be checked. Right
click on the disk drive and select
“Properties”.
Step 3
Select “Tools” and click “Check Now”. 
						

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Step 3
Select the targeted partition, such as the C
partition, and click “Defragment”.
The defragment process usually takes a
long time.
Step 1
In the “My Computer” window, select the
disk drive. Right click on the disk drive and
select “Properties”.
Step 2
Select “Tools” and click “Defragment Now”.
3.4 Disk Defragment
Disk fragments are some tiny storage areas that have small rooms, cannot be directly reused, and are
located in different positions in the disk. If you do not perform the disk defragment function for a long time,
the system performance may be lowered. Perform a disk defragment by following the instruction below.
Step 4
Check the two options as shown in the
figure and click “Start”.
Step 5
After your computer is restarted, the disk
error checking will be performed. 
						

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3.5 Daily Care
1. Cleaning of parts:
As many parts of your computer are composed of delicate integrated circuit boards, which need to be
cleaned on a regular basis to prevent dust accumulation.
Cleaning tools include: : dust collector, soft cotton cloth, clean water (preferential purified water), cotton
swab, and etc.
2. Common cleaning methods
The dust on the computer, monitor, printer, speaker, and mouse can be cleaned away by a soft cotton cloth.
Use the dust collector to clean the corners that cannot be reached. To thoroughly clean the keyboard, turn
off the computer and gently clean the keys with a wet cloth. Do not use the keyboard until it is completely
dry.. Keep water away from the internal computer. Do not use a soft cloth that is too wet. And do not directly
spray water on the monitor or internal computer.
The LCD display should remain clean with especial attention to avoid contact with any oil stains.
For daily care, it is recommended to use the dry cloth to gently clean away the dust. 
						

							4
This chapter provides the following:

Display

Sound

Desktop icons

Software

CD-ROM drive and hard disk drive
TroubleshootingChapter 4
21Lenovo 3000 H Series User Manual