Acer Aspire 4720Z Support Question
Acer Aspire 4720Z Support Question
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Question posted by blessedtrinityandme on September 17th, 2012
Number Lock Is On And I Cannot Turn It Off How Can I Unlock It
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Related Acer Aspire 4720Z Manual Pages
Aspire 4720, 4720Z User's Guide EN - Page 2
Aspire 4720Z/4720/4320 Series User's Guide Original Issue: 05/2007
Changes may be reproduced, stored in a... in the space provided below. No part of this manual or supplementary documents and publications. Aspire 4720Z/4720/4320 Series Notebook PC
Model number Serial number Date of purchase Place of purchase information in new editions of merchantability or fitness for identification ...
Aspire 4720, 4720Z User's Guide EN - Page 6
... device meets RF exposure guidelines when used normally, and it may be using your laptop under the following conditions. Parts of inadequately protected medical devices. Medical devices
Operation of...some cases, transmission of the medical device to external RF transmissions.. For safety reasons, turn off all telephone lines from the equipment when not in these areas instruct you to ...
Aspire 4720, 4720Z User's Guide EN - Page 15
...for comfortable use
ix
First things first
xii
Your guides
xii
Basic care and tips for using your computer
xii
Turning your computer on and off
xii
Taking care of your computer
xiii
Taking care of your AC adapter
xiii
Taking...
25
Easy-launch buttons
26
Touchpad
27
Touchpad basics
27
Using the keyboard
29
Lock keys and embedded numeric keypad
29
Windows keys
30
Hotkeys
31
Aspire 4720, 4720Z User's Guide EN - Page 37
...Icon Item
1
Ventilation slots
Description
Enable the computer to a Kensington-compatible
computer security lock. button
4
Emergency eject
Ejects the optical drive tray when the
hole
computer is active...optical drive is turned off.
5
2 USB 2.0 port
Connect to USB 2.0 devices (e.g., USB mouse,
USB camera).
6
DC-in jack
Connects to an AC adapter.
7
Kensington lock slot Connects to ...
Aspire 4720, 4720Z User's Guide EN - Page 47
... keypad. To simplify the keyboard legend, cursor-control key symbols are in a normal manner.
Lock key Caps Lock
Num Lock +
Scroll Lock +
Description
When Caps Lock is in a
embedded keypad. Use this mode when you can toggle on and off
Number keys on , all alphabetic characters typed are not printed on Type the letters in numeric...
Aspire 4720, 4720Z User's Guide EN - Page 51
... and turn the key to eject the optical drive tray when the computer is on.
Some keyless models are also available.
Wrap the computer security lock cable around an immovable object such as a table or handle of a locked drawer. Insert a paper clip to the emergency eject hole to secure the lock. Using a computer security lock...
Aspire 4720, 4720Z User's Guide EN - Page 63
... and recharging the battery to accept the maximum possible charge. Installing and removing the battery pack
Important! Otherwise, turn off the computer first. English
English
45
Follow these steps again until the battery locks in place. Use this procedure will prevent you condition your computer. Failure to follow this conditioning process for...
Aspire 4720, 4720Z User's Guide EN - Page 82
...choose to shut down the computer: Click on Start, Turn Off Computer, then click on Turn Off (Windows XP). Or: You can now safely... take the computer anywhere you go within short distances, for example, from the AC adapter. 6 Disconnect the keyboard, pointing device, printer, external monitor and
other external devices. 7 Disconnect the Kensington lock...
Aspire 4720, 4720Z User's Guide EN - Page 86
...investment that you forget your password, please get in touch with your computer. Wrap a computer security lock cable around an immovable object such as a table or handle of your dealer or an authorized service ... Supervisor Password prevents unauthorized entry into the notch and turn the key to secure the lock.
Important! If you need to protect and take care of protection for a security...
Aspire 4720, 4720Z User's Guide EN - Page 109
Operation is subject to the following local manufacturer/importer is responsible for this declaration:
Product name:
Notebook PC
Model number:
Z01
Machine type:
Aspire 4720Z/4720/4320
SKU number:
Aspire 4720Z/4720/4320-xxxxx ("x" = 0 - 9, a -
San Jose, CA 95110 USA
Contact person:
Acer Representitive
Tel:
1-254-298-4000
Fax:
1-254-298-4147 91
English
English
Federal ...
Aspire 4720, 4720Z User's Guide EN - Page 110
...: 886-2-8691-3089 Fax: 886-2-8691-3000 E-mail: [email protected] Hereby declare that: Product: Personal Computer Trade Name: Acer Model Number: Z01 Machine Type: Aspire 4720Z/4720/4320 SKU Number: Aspire 4720Z/4720/4320-xxxxx ("x" = 0~9, a ~ z, or A ~ Z) Is compliant with the essential requirements and other relevant provisions of the following harmonized standard: • EN60950-1:2001...
Aspire 4720, 4720Z User's Guide EN - Page 112
...
keyboard 29 embedded numeric keypad 29 hotkeys 31 lock keys 29 troubleshooting 41 Windows keys 30
L
left view 17
M
media access on local trips 66 troubleshooting 80 turning off xiii connections network 71
D
display hotkeys... 46 removing 46 using the first time 44
BIOS utility 75 brightness
hotkeys 31
C
caps lock 29 on indicator 25
care AC adapter xiii battery pack xiv computer xiii
CD-ROM ejecting...
Aspire 4720, G, Z, 4320 Service Guide - Page 1
Aspire 4720G/4720Z/4720/4320 Series Service Guide
Service guide files and updates are available on the ACER/CSD web; for more information,
please refer to http://csd.acer.com.tw
PRINTED IN TAIWAN
Aspire 4720, G, Z, 4320 Service Guide - Page 2
Date
Chapter
Updates
II
Revision History
Please refer to the table below for the updates made on Aspire 4720G/4720Z/4720/4320 service guide.
Aspire 4720, G, Z, 4320 Service Guide - Page 16
... computer is active. Ejects the optical disk from the drive. Lights up when the optical drive is turned off. Connects to USB 2.0 devices (e.g., USB mouse, USB camera). Kensington lock slot
Connects to a Kensington-compatible computer security lock.
#
Icon
Item
Description
1
Ventilation slot
Enable the computer to stay cool, even
after prolonged use.
10...
Aspire 4720, G, Z, 4320 Service Guide - Page 20
... typed are not printed on embedded keypad
Main keyboard keys
Num Lock On
Type numbers in uppercase. A better solution would be to do a lot of the keycaps. To simplify the keyboard legend, cursor-control key symbols are in a normal manner. Desired Access
Number keys on embedded keypad
Cursor-control keys on the keys...
Aspire 4720, G, Z, 4320 Service Guide - Page 31
... card readers, IEEE 1394 disk drives and any other removable disk drives that data cannot be set without any kind of the devices. Lock(s) will remain locked after rebooting, until unlocked. NOTE: If you can be set first. T Removable data devices - includes serial ports, parallel port, infrared (IR), and Bluetooth. Once set, you...
Aspire 4720, G, Z, 4320 Service Guide - Page 69
Disconnect the modem cable and remove the modem card. Remove the CPU from the CPU socket carefully. Remove the screw fastening the modem card. 8. Removing the Modem Card 7. Chapter 3
63 Use a flat screwdriver to release the CPU lock (Turn counter clockwise). 6. Removing the CPU 5.
Aspire 4720, G, Z, 4320 Service Guide - Page 84
... BDh BEh BFh C0h C1h C2h C3h C4h C5h C6h C7h C8h C9h
78
Code
Beeps 1-2
1
POST Routine Description Initialize floppy controller Determine number of day Check key lock Initialize Typematic rate Erase F2 prompt Scan for F2 key stroke Enter SETUP Clear Boot flag Check for option ROMs. One long, two...
Aspire 4720, G, Z, 4320 Service Guide - Page 93
For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code from those given in global configurations of customer machines. Chapter 6
FRU (Field Replaceable Unit) List
This ...parts to return it will not be noted on how to repair or for repair and service of Aspire 4720G/4720Z/4720/4320 series. For whatever reasons a part number change is made, it .
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