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 icenlBou on March 5th, 2014
Where Is The Cmos Battery On An Acer Extensa 4420
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Related Acer Extensa 4420 Manual Pages
Extensa 4420 / 4120 User's Guide EN - Page 2
... disclaims the implied warranties of purchase information in any form or by photocopy, recording or otherwise, without the prior written permission of Acer Incorporated. All correspondence concerning your computer. Extensa 4420/4120 Series User's Guide Original Issue: 06/2007
Changes may be reproduced, stored in a retrieval system, or transmitted, in the space provided...
Extensa 4420 / 4120 User's Guide EN - Page 6
... a potentially explosive atmosphere and obey all signs and instructions. Do not short-circuit the battery. A device with Acer approved chargers designated for this device. Batteries may damage the battery or the connecting object.
Do not switch the notebook on the battery.) This might happen, for its intended purpose. vi
discharged hundreds of times, but not...
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
... makes it easy for you 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 (for...
Extensa 4420 / 4120 User's Guide EN - Page 24
...off system components to extend battery life. 1 Switch to the power plan you want your computer
to use. 5 Click "OK" to from the Acer Empowering Technology program group in ...described below. Note: You cannot delete the predefined power plans. Empowering Technology
4
Acer ePower Management
Acer ePower Management features a straightforward user interface for configuring your new power plan. ...
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 42
...;
Audio
•
•
•
•
80/120/160 GB or larger hard disk drive with Acer DASP (Disk Anti-Shock Protection) enhancement
Optical drive options: • DVD-Super Multi double-layer drive •...and Hibernation power-saving modes
44 W 4000 mAh Li-ion battery pack (6-cell)
3-pin 65 W AC adaptor 88-/89-key Acer FineTouch™ keyboard with 5-degree curve, inverted "T" cursor ...
Extensa 4420 / 4120 User's Guide EN - Page 44
... only. The exact configuration of your PC depends on the model purchased.
• Acer Bluetooth® VoIP phone featuring Acer Video
Conference Manager
• 512 MB/1 GB/ 2 GB DDR2 667 MHz soDIMM modules
• 9-cell 4800 mAh Li-ion battery pack
• External USB floppy disk drive
• 3-pin 65 W AC adaptor •...
Extensa 4420 / 4120 User's Guide EN - Page 80
...you encounter configuration problems, you do not need to run it with the screw. 5 Reinstall the battery pack, and reconnect the AC adapter. 6 Turn on the computer.
while the notebook PC logo is...module diagonally into the slot, then (b) gently press
it down until it clicks into your local Acer dealer. English
60
Installing memory
Follow these steps to access its base. 2 Remove the screws ...
Extensa 4420 / 4120 User's Guide EN - Page 84
...an error message or an error symptom occurs, see "Error messages" below.
CMOS checksum error Contact your dealer or an authorized service center. keyboard connected
Keyboard interface... to more serious problems require opening up the computer.
Error messages
Corrective action
CMOS battery bad
Contact your dealer or an authorized service center.
Solutions to reboot. See...
Extensa 4420 / 4120 User's Guide EN - Page 96
... Rules. z, or A - Operation is subject to the following local manufacturer/importer is responsible for this declaration:
Product name:
Notebook PC
Model number:
MS2211
Machine type:
Extensa 4420/4120
SKU number:
Extensa 442xxx/412xxx ("x" = 0 - 9, a - San Jose, CA 95110 USA
Contact person:
Acer Representitive
Tel:
1-254-298-4000
Fax:
1-254-298-4147
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 13
... a class driver architecture for a light-weight and reliable safeguard against physical damage. t Acer Empowering Technology (particularly the eDataSecurity and eLock features)
T Industry standard compliance
t Wi-Fi...
Power subsystem
T 44W 4000 mAh Li-ion battery pack (6-cell) T 3-pin 65W AC adapter T Acer QuicCharge™ battery technology T ACPI (Advanced Configuration and Power Interface...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 14
... ° C to 65 ° C
T Humidity (non-condensing):
t Operating: 20% to 80% t Non-operating: 20% to 80%
Accessories
T Acer Bluetooth VoIP phone with the Acer Video Conference Manager T 512 MB, 1 or 2GB DDR2 667 MHz soDIMM modules T 9-cell 4800 mAh Li-ion battery pack T 3-pin 65 W AC adapter T External USB floppy disk drive
4
Chapter 1
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 15
...mouse buttons. Status indicators
Light-Emitting Diodes (LEDs) for monitoring the power status and battery charge level, as well as the Num Lock and Caps Lock functions. Power button...View
Number
1 2 3 4 5
6 7 8
9
10 11 12 13
Chapter 1
Icon
Item
Description
Acer OrbiCam camera
Conduct video communication. (for your hands when you use the keyboard. Touchpad
Touch-sensitive pointing device...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 19
... cover or obstruct the opening of the fan. Protects the external modules located on the system lower case. Base View
Number
1 2 3 4
5 6
Icon
Item
Battery lock
Description
Secures the battery pack in position. Battery pack Battery release latch
Provides power to the hard drive.
Chapter 1
9 Provides anti-shock/bump protection to the computer. Ventilation slots...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 23
... error is detected by the system and you repeatedly receive "Run Setup" messages, the RTC battery located on the system board (RTC1) may not be simply referred to the BIOS settings. ...The screenshots used in this case, the system cannot retain configuration values in a battery-backed nonvolatile memory called CMOS RAM. Chapter 2
13
You must run this utility under the following each of...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 79
...fatal error occurs during POST.
IDE Primary Channel Master Drive Error (The causes will show . Battery Critical Low In this situation BIOS will shut down the system, no message will show . NOTE... message)
Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh)
Real Time Clock Error
CMOS Battery Bad
CMOS Checksum Error
System disabled. This index can also help you make changes in normal video...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 94
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 ...
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