Acer Extensa 4420 Support Question
Acer Extensa 4420 Support Question
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Question posted by Spameri on December 17th, 2013
How To Replace A Cmos Battery In Acer Laptop Extensa 4420
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Related Acer Extensa 4420 Manual Pages
Extensa 4420 / 4120 User's Guide EN - Page 2
... affixed to the information in any form or by any means, electronically, mechanically, by photocopy, recording or otherwise, without obligation to notify any person of Acer Incorporated. Extensa 4420/4120 Series User's Guide Original Issue: 06/2007
Changes may be reproduced, stored in a retrieval system, or transmitted, in this manual or supplementary documents...
Extensa 4420 / 4120 User's Guide EN - Page 5
...a need
to replace the power cord set . If the battery leaks and you need
for safe battery usage
This notebook uses a Lithium-ion battery. The full performance of a new battery is damaged, ... from unexpected noise produced by the operating instructions, since improper adjustment of the battery, charging will often require extensive work by a qualified technician to restore the product...
Extensa 4420 / 4120 User's Guide EN - Page 6
...battery.) This might happen, for its intended purpose. vi
discharged hundreds of used batteries. Use only Acer approved batteries, and recharge your pocket or purse.
Batteries may present a risk of the battery... or particles such as household waste. Replacing the battery pack
The notebook uses lithium batteries. Replace the battery with your vehicle engine.
Accidental short-...
Extensa 4420 / 4120 User's Guide EN - Page 15
... local regulations. Cleaning and servicing
When cleaning the computer, follow these steps: 1 Turn off
before removing or replacing batteries.
• Do not tamper with batteries. Recycle if possible. Turn the power off the computer and remove the battery pack. 2 Disconnect the AC adapter. 3 Use a soft, moist cloth. Keep them away from children. • Dispose...
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
... hooks 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 selected models).
• Acer eLock Management limits access to reset it except by...
Extensa 4420 / 4120 User's Guide EN - Page 40
...
1 Battery bay
Houses the computer's battery pack.
2 Battery lock
Locks the battery in position.
3 Acer DASP (Disk Anti- Protects the hard disk drive from shocks 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...
Extensa 4420 / 4120 User's Guide EN - Page 47
... Lock Presentation
Sync
Default application
Launch Windows Lock function
Minimizes your open application windows and prepares the
display for presenting
Launch NTI Shadow
If the laptop is equipped with Acer Bio-Protection, you only need to swipe your display for impressive presentations.
• Sync key -
Extensa 4420 / 4120 User's Guide EN - Page 69
... if you want to turn off the
computer. 4. English
Warning: Connect the AC adapter as soon as possible after the battery-low warning appears. An extra fully charged battery pack is unavailable. Replace the battery pack. 5.
Plug the AC adapter into the computer, and then connect to the Windows power meter. Save all applications...
Extensa 4420 / 4120 User's Guide EN - Page 80
...these steps to run it with the screw. 5 Reinstall the battery pack, and reconnect the AC adapter. 6 Turn on the ...the computer, unplug the AC adapter (if connected) and remove
the battery pack.
then lift up and remove the
memory cover. 3 (a) Insert... then (b) gently press
it down until it clicks into your local Acer dealer. BIOS utility
The BIOS utility is being displayed. To activate...
Extensa 4420 / 4120 User's Guide EN - Page 84
...problems. Read it before calling a technician if a problem occurs. Error messages
Corrective action
CMOS battery bad
Contact your dealer or an authorized service center. Hard disk 0 error
Contact your...bootable) disk into the floppy drive (A:), then press to open the computer yourself;
CMOS checksum error Contact your dealer or an authorized service center. Do not attempt to reboot...
Extensa 4420 / 4120 User's Guide EN - Page 96
Operation 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 - The following local manufacturer/importer is subject to ...San Carlos St. z, or A - Z)
Name of responsible party: Acer America Corporation
Address of the FCC Rules. San Jose, CA 95110 USA
Contact person...
Extensa 4420 / 4120 User's Guide EN - Page 97
...; EN60065:2002 (applied to the Public Switched Telephone Network (PSTN). English
English
77
We, Acer Computer (Shanghai) Limited 3F, No. 168 Xizang medium road, Huangpu District, Shanghai, China
... are in force to assure 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...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 23
...Replace the RTC battery with a new one.
The Setup Utility loads the configuration values in CMOS. The screenshots used in this case, the system cannot retain configuration values in a battery-backed nonvolatile memory called CMOS...detected by the system and you repeatedly receive "Run Setup" messages, the RTC battery located on the system board (RTC1) may not be retained when power is...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 78
.... 2. On the Power Meter tab, confirm that has less than 7.5 Vdc after recharging, replace the battery. This will help you use the touchpad, the pointer drifts on recharging or discharging. If the battery charge indicator does not light up , replace the battery pack. This self-acting pointer movement can occur when a slight, steady pressure is...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 79
... Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh)
Real Time Clock Error
CMOS Battery Bad
CMOS Checksum Error
System disabled.
CPU BIOS Update Code Mismatch 2.
Error Code List
Error Code
006
010 070 071 072 110
Error Message
Equipment Configuration Error Causes: 1.
Do not replace a non-defective FRU. If the symptom is specified. The listed...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 80
... in the Setup Utility.
Unlock key switch Monitor type does not match CMOS - System board
RTC battery Run the Setup Utility to load the system defaults.
System board
Run ... board
DIMM System board
Replace the RTC battery, then access the Setup Utility to load the system defaults.
Default configuration used
Memory size found by POST differed from CMOS
Diskette drive A error
...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 91
...adapter or device failed, which diagnostic tests cannot identify the cause. Do not replace a non-defective FRU:
t System board t LCD module assembly
Chapter 4...any problems are found, replace the FRU. 3. Determine if the problem has changed. 6. If the problem remains, replace the following devices:
t Non-Acer devices t Printer, mouse, and other external devices t Battery pack t Hard disk ...
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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