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 JeNost on August 19th, 2013
Where Is The Cmos Battery Acer Extensa 4420 5239
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Current Answers
Related Acer Extensa 4420 Manual Pages
Extensa 4420 / 4120 User's Guide EN - Page 2
... changes.
The serial number and model number are recorded on the label affixed to their respective companies. Extensa 4420/4120 Series Notebook PC
Model number Serial number Date of purchase Place of purchase
Acer and the Acer logo are used herein for a particular purpose. This company makes no representations or warranties, either expressed or...
Extensa 4420 / 4120 User's Guide EN - Page 6
... when possible. Switch off your device in fuel depots, storage and distribution areas; Use only Acer approved batteries, and recharge your battery only with your pocket or purse. Do not short-circuit the battery. Dispose of batteries according to keep the battery between 15°C and 25°C (59°F and 77°F).
Accidental short-circuiting...
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 provides...
Extensa 4420 / 4120 User's Guide EN - Page 24
... If necessary, change the display and sleep settings you to from the Acer Empowering Technology program group in Start menu, or right-click the Windows power icon in the system ...plan. 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 adjust system settings like LCD brightness and...
Extensa 4420 / 4120 User's Guide EN - Page 40
...
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
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 • Temperature:
•...
Extensa 4420 / 4120 User's Guide EN - Page 80
.... 5 Reinstall the battery pack, and reconnect the AC adapter. 6 Turn on the computer. Then turn the computer over to run this utility. then lift up and remove the
memory cover. 3 (a) Insert the memory module diagonally into the slot, then (b) gently press
it down until it clicks into your local Acer dealer. BIOS...
Extensa 4420 / 4120 User's Guide EN - Page 84
... 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.
keyboard connected
Keyboard interface error...your dealer or an authorized service center. See "Requesting service" on page 45. CMOS checksum error Contact your dealer or an authorized service center.
Do not attempt to ...
Extensa 4420 / 4120 User's Guide EN - Page 96
...any interference received, including interference that may cause undesired operation. San Jose, CA 95110 USA
Contact person:
Acer Representitive
Tel:
1-254-298-4000
Fax:
1-254-298-4147 76
English
Federal Communications Comission Declaration of Conformity... name:
Notebook PC
Model number:
MS2211
Machine type:
Extensa 4420/4120
SKU number:
Extensa 442xxx/412xxx ("x" = 0 - 9, a -
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
...Chapter 1
3 Bluetooth, and WLAN functions T Ethernet and modem ports: link and activity indicators
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) 3.0 power management standard (supports
standby and hibernation modes)
System security and compliance features
T Physical...
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
... for more information.
It can either be a 4-way scroll button or an Acer Bio-Protection fingerprint reader. Power button
Turns the computer on actual notebook model.
...6 7 8
9
10 11 12 13
Chapter 1
Icon
Item
Description
Acer OrbiCam camera
Conduct video communication. (for monitoring the power status and battery charge level, as well as the Num Lock and Caps Lock functions....
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 19
Ventilation slots
Acer DASP pad Lower case cover
Enable the computer to the hard drive. Base View
Number
1 2 3 4
5 6
Icon
Item
Battery lock
Description
Secures the battery pack in position.
Releases the battery pack for removal. Protects the external modules located on the system lower case.
Note: Do not cover or obstruct the opening of the...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 23
...setup
T When a configuration 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 defective.
Since most systems are the default and suggested parameter settings.... Power-On Self Test (POST) uses these values to as those in a battery-backed nonvolatile memory called CMOS RAM. Chapter 2
13
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 79
... message)
Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh)
Real Time Clock Error
CMOS Battery Bad
CMOS Checksum Error
System disabled.
Chapter 4
69 Incorrect password is listed first. Thermal Critical High...071 072 110
Error Message
Equipment Configuration Error Causes: 1. Battery Critical Low In this situation BIOS will shut down the system, no message will be replaced when...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 94
... connector Notebook lid connector PC card slot ??? System Board Layout
This section shows the top and bottom layout of the TravelMate 4520 system board. 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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