Apple Laptop Apple MacBook Pro 15.4 User Manual

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Apple Hardware Test
You can use the Apple Hardware Test (AHT) application
to help determine if there’s a problem with one of the
computer’s components, such as the memory or processor.
To use Apple Hardware Test: Disconnect all external devices
from your computer except the power adapter. Restart your
computer and hold down the D key as it starts up. When the
AHT chooser screen appears, select the language for your
location. Press the Return key or click the right arrow button.
When the AHT main screen appears (after about 45 seconds),
follow the onscreen instructions. If AHT detects a problem, it
displays an error code. Make a note of the error code before
pursuing support options. If AHT doesn’t detect a hardware
failure, the problem might be software related.
AppleCare Service and Support
Your MacBook Pro comes with 90 days of technical support
and one year of hardware repair warranty coverage at an
Apple Retail Store or an Apple-authorized repair center, such
as an Apple Authorized Service Provider. You can extend
your coverage by purchasing the AppleCare Protection Plan.
For information, visit www.apple.com/support/products
or visit the website address for your country listed later in
this section.
If you need assistance, AppleCare telephone support
representatives can help you with installing and opening
applications, and troubleshooting. Call the support center
number nearest you (the rst 90 days are complimentary).
Have the purchase date and your MacBook Pro serial number
ready when you call.
Your 90 days of complimentary telephone support begins on
the date of purchase.
United States: 1-800-275-2273
www.apple.com/support
Australia: (61) 1-300-321-456
www.apple.com/au/support
Canada: 1-800-263-3394
(English) www.apple.com/ca/support
(French) www.apple.com/ca/fr/support
Ireland: (353) 1850 946 191
www.apple.com/ie/support
New Zealand: 00800-7666-7666
www.apple.com/nz/support
United Kingdom: (44) 0844 209 0611
www.apple.com/uk/support
Telephone numbers are subject to change, and local and
national telephone rates may apply. A complete list is
available on the web:
www.apple.com/support/contact/phone_contacts.html
You might have to raise your chair so that your forearms and
hands are at the proper angle to the keyboard. If this makes
it impossible to rest your feet at on the oor, you can use
a footrest with adjustable height and tilt to make up for any
gap between the oor and your feet. Or you can lower the
desktop to eliminate the need for a footrest. Another option
is to use a desk with a keyboard tray that’s lower than the
regular work surface.
Built-In Display
Adjust the angle of the display to minimize glare and
reections from overhead lights and windows. Do not force
the display if you meet resistance. The display is not designed
to open past 135 degrees.
You can adjust the brightness of the screen when you take
the computer from one work location to another, or if the
lighting in your work area changes.
More information about ergonomics is available on the web:
www.apple.com/about/ergonomics
Apple and the Environment
Apple Inc. recognizes its responsibility to minimize the
environmental impacts of its operations and products.
More information is available on the web:
www.apple.com/environment
Learning More, Service, and Support
Your MacBook Pro does not have any user-serviceable parts,
except the hard drive and memory. If you need service,
contact Apple or take your MacBook Pro to an Apple
Authorized Service Provider. You can nd more information
about your MacBook Pro through Help Center, online
resources, System Information, and Apple Hardware Test.
Help Center
You can often nd answers to your questions, as well as
instructions and troubleshooting information, in Help Center
on your Mac. Choose Help > Help Center from the menu bar.
Online Resources
For online service and support information, go to
www.apple.com/support and choose your country from the
pop-up menu. You can search the AppleCare Knowledge
Base, check for software updates, or get help from Apple’s
discussion forums.
System Information
To get information about your MacBook Pro, use System
Information. It shows you what hardware and software is
installed, the serial number and operating system version,
how much memory is installed, and more. To open System
Information, choose Apple () > About This Mac from the
menu bar and then click More Info.

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