Acer Aspire 4520 Support Question
Acer Aspire 4520 Support Question
Find answers below for this question about Acer Aspire 4520.Need a Acer Aspire 4520 manual? We have 2 online manuals for this item!
Question posted by Sevandekeere on March 29th, 2012
How Do I Turn The Number Lock Off? I Already Tried Numlk Key And Didn't Work.
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Current Answers
Related Acer Aspire 4520 Manual Pages
Aspire 4220 / 4520 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 ...
21
Indicators
25
Easy-launch buttons
26
Touchpad
27
Touchpad basics
27
Using the keyboard
29
Lock keys and embedded numeric keypad
29
Windows...
Aspire 4220 / 4520 User's Guide EN - Page 16
Special keys
32
Ejecting the optical (CD or DVD) drive tray
33
Using a computer security lock
33
Audio
34
Adjusting the volume
34
Using Dolby Home Theater for surround/multi-channel
sound
35
Set playback as digital output
35
Using the ...
Aspire 4220 / 4520 User's Guide EN - Page 38
... tray-load depending on model).
2
Optical disk access Lights up when the 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 stay cool, even after prolonged use.
Rear view
# Icon Item
1
Ventilation slots...
Aspire 4220 / 4520 User's Guide EN - Page 48
... mode when you can toggle on and off
Number keys on , the screen moves one line up or down when you press the up or down arrow keys respectively. It is on embedded keypad
Type numbers in a
embedded keypad. Lock keys and embedded numeric keypad
The keyboard has three lock keys which you need to connect an external...
Aspire 4220 / 4520 User's Guide EN - Page 49
... clicking the right mouse button; It can also be used with other keys to provide a variety of functions:
< > : Open or close the Start menu
< > + : Display the desktop
< > + : Open Windows Explore
< > + : Search for a file or folder
< > + : Cycle through Sidebar gadgets
< > + : Lock your computer (if you are connected to a network domain), or switch users...
Aspire 4220 / 4520 User's Guide EN - Page 50
...and off . Acer eSettings
Acer ePower Management Sleep
Launches Acer eSettings in the hotkey combination. Turns the display screen backlight off to access most of the computer's controls like screen brightness, volume... hotkeys or key combinations to save power.
Press any key to return. To activate hotkeys, press and hold the key before pressing the other key in Acer Empowering Technology....
Aspire 4220 / 4520 User's Guide EN - Page 52
Insert the lock into the notch and turn the key to eject the optical drive tray when the computer is off. English
33
Ejecting the optical (CD or DVD) drive tray
Press the drive eject button to secure the lock. Using a computer security lock
The notebook comes with a Kensington-compatible security slot for a security lock. Insert a paper...
Aspire 4220 / 4520 User's Guide EN - Page 59
... :
• The volume may be low and unable to adjust the volume.
If pressing a key does not turn the display back on the icon and deselect the Mute all option.
• The volume level ...may be muted. No audio is in the external USB floppy drive? Press any key to turn the display back on the battery, it may arise during the use the unlimited volume control wheel...
Aspire 4220 / 4520 User's Guide EN - Page 60
...corresponding port on the printer.
English
41
on the computer, the internal speakers automatically turn off. If it works, contact your dealer or an authorized service center as it is set up your...on first booting your location: 1 Click on Start, Control Panel. 2 Double-click on the computer. Try attaching an external keyboard to a USB port on Phone and Modem Options. 3 Begin setting up ,...
Aspire 4220 / 4520 User's Guide EN - Page 64
English
English
45
Follow these steps again until the battery locks in place.
Installing and removing the battery pack
Important! make sure that the... battery hasn't been used for more you use the battery, the faster it is to its effective life.
Otherwise, turn off the computer first. Warning: Do not expose battery packs to accept the maximum possible charge. In addition, the ...
Aspire 4220 / 4520 User's Guide EN - Page 83
... 3 Shut down the computer: Click on Start, Turn Off Computer, then click on Turn Off (Windows XP). Preparing the computer
Before moving 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 4220 / 4520 User's Guide EN - Page 87
... Supervisor Password prevents unauthorized entry into the notch and turn the key to protect and take care of. Wrap a computer security lock cable around an immovable object such as a table ... with password checkpoints on Boot secures your computer from Hibernation for maximum security. Insert the lock into the BIOS utility.
Important! Combine the use . See "BIOS utility" on page...
Aspire 4220 / 4520 User's Guide EN - Page 88
... can set passwords using the BIOS utility.
Press and hold the power button for four seconds to enter the password correctly after three tries, the system halts. Then turn on boot parameter is
enabled, a prompt appears at boot-up .
• Type the User Password and press to enter a password.
If you
enter...
Aspire 4220 / 4520 User's Guide EN - Page 101
... and used in a residential installation. Notice: Shielded cables
All connections to other computing devices must be determined by turning the device off and on a circuit different from that interference will not occur in interference to Part 15 of .... • Connect the device into an outlet on , the user is encouraged to try to correct the interference by one or more of the FCC Rules.
Aspire 4220 / 4520 User's Guide EN - Page 113
...
K
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 31 ...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 ...
Aspire 4220 / 4520 User's Guide EN - Page 114
...41 printer 41 startup 40 troubleshooting 80
Q
questions setting location for modem use 41
S
safety
CD or DVD 86 modem notices 83 scroll lock 29 security keylock 33, 68 passwords 68 speakers hotkey 31 troubleshooting 40 support information 43
T
touchpad 27 hotkey 31 using 27- 28
... 80 tips 80
U
universal serial bus 71
V
view front 18 left 18 rear 19 right 19
volume adjusting 34
W
Windows keys 30
Service Guide - Page 22
...embedded keypad
Main keyboard keys
Num Lock On
Type numbers in a normal manner.
Lock Key Caps Lock Num lock +
Scroll lock +
Description
When Caps Lock is in uppercase.
The embedded numeric keypad functions like a desktop numeric keypad.
Type the letters in a normal manner. Scroll Lock does not work with the arithmetic operators +, -, *, and /). Num Lock Off
Hold while using...
Service Guide - Page 86
... number of day Check key lock Initialize Typematic rate Erase F2 prompt Scan for F2 key stroke...Try to UserPatch2 Build MPTABLE for multi-processor boards Install CD ROM for boot Clear huge ES segment register Fixup Multi Processor table Search for SMART drive (optional) Shadow option ROMs Set up Power Management Initialize security engine (optional) Enable hardware interrupts Determine number...
Service Guide - Page 88
...Enter BIOS Utility to -FRU Error Message
LCD-Related Symptoms
Symptom / Error LCD backlight doesn't work ). Hold and press the power switch for more than 4 seconds. Action in Sequence
Indicator ...See "Power System Check" on page 71. Keyboard (if contrast and brightness function key doesn't work LCD is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted
Unreadable...
Service Guide - Page 90
... cable.
External display does not work . Onboard Devices Configuration Run printer self-test. Remove battery pack and let... it cool for 2 hours. USB does not work correctly Print problems.
Serial or parallel port device ...Default Settings", then reboot system. Action in Sequence
Internal modem does not work .
Press Fn+F5, LCD/CRT/Both display switching System board
System board...
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