Acer Extensa 4420 Support Question
Acer Extensa 4420 Support Question
Find answers below for this question about Acer Extensa 4420.Need a Acer Extensa 4420 manual? We have 2 online manuals for this item!
Question posted by Dcamprval on October 2nd, 2013
Acer Extensa 4420 How To Change Cmos Battery Replacement
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Related Acer Extensa 4420 Manual Pages
Extensa 4420 / 4120 User's Guide EN - Page 2
... purchase information. Other companies' product names or trademarks are registered trademarks of such revisions or changes. Extensa 4420/4120 Series Notebook PC
Model number Serial number Date of purchase Place of this publication without the prior written permission of Acer Incorporated. Such changes will be made periodically to the information in new editions of purchase...
Extensa 4420 / 4120 User's Guide EN - Page 5
...change in a pressurized container, and do not expose it in damage and will not occur at temperatures below 0°C (32°F) or above 40°C (104°F). The full performance of a new battery...location, in strong direct sunlight, in a microwave oven or in performance, indicating a need
to replace the power cord set . Product servicing
Do not attempt to service this product.
• Use...
Extensa 4420 / 4120 User's Guide EN - Page 6
...below freezing. Use of another battery may explode if not handled properly. Batteries may present a risk of fire or explosion. Use only Acer approved batteries, and recharge your pocket or ... are in fire. Replacing the battery pack
The notebook uses lithium batteries. Replace the battery with a hot or cold battery may not work temporarily, even when the battery is left in bodily...
Extensa 4420 / 4120 User's Guide EN - Page 15
... does not operate normally
please refer to take care of your battery pack
Here are some ways to "Frequently asked questions" on page 42. Turn the power ...the battery pack. 2 Disconnect the AC adapter. 3 Use a soft, moist cloth. Cleaning and servicing
When cleaning the computer, follow these steps: 1 Turn off
before removing or replacing batteries.
• Do not tamper with batteries....
Extensa 4420 / 4120 User's Guide EN - Page 17
... of your AC adapter
xiv
Taking care of your battery pack
xv
Cleaning and servicing
xv
Acer Empowering Technology
1
Empowering Technology password
1
Acer eNet Management
2
Acer ePower Management
4
Acer ePresentation Management
6
Acer eDataSecurity Management
7
Acer eLock Management
8
Acer eRecovery Management
10
Acer eSettings Management
12
Windows Mobility Center
13
Your...
Extensa 4420 / 4120 User's Guide EN - Page 18
...
37
Using the system utilities
38
Acer GridVista (dual-display compatible)
38
Launch Manager
39
Norton Internet Security
40
NTI Shadow
41
Frequently asked questions
42
Requesting service
45
International Travelers Warranty (ITW)
45
Before you call
45
Battery pack
46
Battery pack characteristics
46
Maximizing the battery's life
46
Installing and removing the...
Extensa 4420 / 4120 User's Guide EN - Page 21
...and select "Password Setup" to external storage media. • Acer eRecovery Management backs up to location-based networks intelligently. • Acer ePower Management optimizes battery usage via customizable
power plans.
• Acer ePresentation Management connects to a projector and adjusts
display settings.
• Acer eDataSecurity Management protects data with passwords and
encryption...
Extensa 4420 / 4120 User's Guide EN - Page 24
.... 3 Choose a predefined power plan to base your customized plan on /off system components to extend battery life. 1 Switch to the power plan you wish to switch to edit 2 Adjust settings as described...in the system tray and select "Acer ePower Management". Note: You cannot delete the predefined power plans.
You can also turn on . 4 If necessary, change the display and sleep settings you to...
Extensa 4420 / 4120 User's Guide EN - Page 33
...program group in one easy-to-find place, so you change locations, networks or activities. Windows Mobility Center also includes Acer-specific settings like Bluetooth Add Device (if applicable), sharing ... , and a shortcut to fit the situation as you can quickly configure your Acer system to the Acer user guide, drivers and utilities. Settings include display brightness, power plan, volume,...
Extensa 4420 / 4120 User's Guide EN - Page 40
...and
Shock Protection)
bumps.
4 Hard disk bay
Houses the computer's hard disk (secured with screws)
5 Memory compartment Houses the computer's main memory.
6 Battery release latch Releases the battery to remove the battery pack. 20
Base view
English
Item
Description
1 Battery bay
Houses the computer's battery pack.
2 Battery lock
Locks the battery in position.
3 Acer DASP (Disk Anti-
Extensa 4420 / 4120 User's Guide EN - Page 80
...Turn off the computer, unplug the AC adapter (if connected) and remove
the battery pack. The computer automatically detects and reconfigures the total memory size. then lift ...battery pack, and reconnect the AC adapter. 6 Turn on the computer. BIOS utility
The BIOS utility is a hardware configuration program built into place.
4 Replace the memory cover and secure it clicks into your local Acer...
Extensa 4420 / 4120 User's Guide EN - Page 84
.... If the problem cannot be resolved, contact your dealer or an authorized service center. CMOS checksum error Contact your dealer or an authorized service center. type error
I/O parity error
...your dealer or an authorized service center. Error messages
Corrective action
CMOS battery bad
Contact your dealer or an authorized service center.
Hard disk 0 extended Contact your ...
Extensa 4420 / 4120 User's Guide EN - Page 96
... 4420/4120
SKU number:
Extensa 442xxx/412xxx ("x" = 0 - 9, a - z, or A - 76
English
Federal Communications Comission Declaration of Conformity
This device complies with Part 15 of responsible party:
333 West San Carlos St.
San Jose, CA 95110 USA
Contact person:
Acer Representitive
Tel:
1-254-298-4000
Fax:
1-254-298-4147 Z)
Name of responsible party: Acer America Corporation...
Extensa 4420 / 4120 User's Guide EN - Page 97
..., China
Contact Person: Mr. Easy Lai Tel: 886-2-8691-3089 Fax: 886-2-8691-3000 E-mail: easy_lai@acer.com.tw Hereby declare that: Product: Personal Computer Trade Name: Acer Model Number: MS2211 Machine Type: Extensa 4420/4120 SKU Number:Extensa 442xxx/412xxx ("x" = 0~9, a ~ z, or A ~ Z) Is compliant with the essential requirements and other relevant provisions of the following...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 23
... Self Test (POST) uses these values to be simply referred to as those in a battery-backed nonvolatile memory called CMOS RAM. Chapter 2
13
In this Service Guide. Replace the RTC battery with a new one.
In the descriptive tables following conditions: T When changing the system configuration including:
t Setting the system time and date t Configuring the hard...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 79
...In this situation BIOS will shut down the system, no message will be replaced when servicing a computer.
Do not replace a non-defective FRU. If the symptom is not listed, see "Undetermined...W:xxxxh)
Real Time Clock Error
CMOS Battery Bad
CMOS Checksum Error
System disabled. The most likely cause is specified. This index can also help you make changes in this situation BIOS will issue ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 80
...board
DIMM System board
DIMM System board
Replace the RTC battery, then access the Setup Utility to ...battery System board
Run the Setup Utility, then press F9 to reconfigure the system time settings.
Replace and run SETUP System cache error - Default configuration used
Memory size found by POST differed from CMOS
Diskette drive A error
Incorrect Drive A type - run Setup System CMOS...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 91
... following devices:
t Non-Acer devices t Printer, mouse, and other external devices t Battery pack t Hard disk drive t DIMM t Optical drive/diskette drive t Cards in the ExpressCard/54 and card reader slots
4. Shut down the computer. 2. Undetermined Problems
Undetermined problems are found, replace the FRU. 3. Determine if the problem has changed. 6. This may be a failure to...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 94
...
LCD1 LID1 CN1 U40 RTC1 CRB1 SPKR1 BLUE1 FP1 TPAD1 INTMIC1 LEDB1 KB1
Description
LCD-CCD cable connector Notebook lid connector PC card slot ???
CMOS battery (RTC battery) Card reader board connector Speaker cable connector Bluetooth board cable connector Fingerprint board cable connector Touchpad board cable connector Internal microphone cable connector LED board...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 97
For whatever reasons a part number change is made, it . For ACER AUTHORIZED SERVICE PROVIDERS, your regional web or channel. NOTE: To scrap or to return the defective parts, you the FRU (Field Replaceable Unit) listing in the FRU list of this chapter whenever ordering for parts to repair or for repair and service of...
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