I would like to test hardware on a mac book pro model from 2009 with Mac Os X 10.9.2 installed. Since it is running unreliably I would like to perform a diagnosis/hardware test. What is easy to find on the internet is, that on pre 2013 models, the apple hardware test was to be run, on models after that, the apple diagnosis, see. 2 days ago Apple may make the Touch Bar in MacBook Pro models more sophisticated by adding force touch which will recognise pressure. Force Touch was first seen on Apple. 15.3' Macbook Pro A1286. Came with OS X 10.6.3. Upgraded to 10.7.5. Holding 'D' key during restart doesn't boot Apple Hardware Test (boots Recovery HD, Mac OS X Utilities instead).
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Optimise your battery life
Your notebook battery life depends on your computer's configuration and how you're using the computer. Here are some settings and steps you can take to get the most from your computer’s battery.
Check Battery preferences
The Battery pane in System Preferences has settings to help improve the battery life on your Mac notebook. To view Battery settings, choose Apple menu > System Preferences, click Battery or Energy Saver, then select the Battery tab.
The example above is from macOS Big Sur. Some features such as Automatic graphic switching and Power Nap aren't available on all Mac notebooks or versions of macOS.
For maximum battery life, use the following settings:
- Turn on “Slightly dim the display while on battery power”. This setting lets your Mac adjust the display brightness to 75% when you unplug the computer from power.
- Turn off “Enable Power Nap while on battery power”. This setting prevents your Mac from checking for mail or other iCloud updates during sleep which improves standby time.
- Turn on 'Optimise video streaming while on battery”. This setting lets high dynamic range (HDR) video play in standard dynamic range (SDR) while on battery power, which uses less energy.
- Turn on “Automatic graphics switching”. This setting lets MacBook Pro models with multiple graphics processors switch between them automatically to maximise battery life.
Adjust display brightness
By default, your display automatically adjusts the brightness to conserve power. If you turn off automatic brightness, you should turn it back on later to preserve battery life. To set the brightness automatically, choose Apple menu > System Preferences, click Displays and then turn on ”Automatically adjust brightness”. Find out how to adjust your brightness manually.
Check battery health
You can check the health of your battery in Battery preferences or the Battery status menu:
- In macOS Big Sur, choose Apple menu > System Preferences, click Battery, select Battery in the sidebar and then click Battery Health.
- In macOS Catalina or earlier, hold the Option key and click the battery icon in the menu bar to reveal the battery status menu.
You'll see one of the following status indicators:
- Normal: The battery is functioning normally.
- Service Recommended: The battery's ability to hold charge is less than when it was new or it isn't functioning normally. You can safely continue to use your Mac but you should take it to an Apple Store or Apple Authorised Service Provider to get your battery evaluated.
To get service on your battery, contact Apple.
In earlier versions of macOS, the battery status might display Replace Soon, Replace Now or Service Battery if your battery holds less of a charge than when it was new or needs to be serviced. If the battery's lowered charging capacity is affecting your experience, get your battery evaluated at an Apple Store or Apple Authorised Service Provider.
While some third-party apps report on battery health conditions, the data reported by these apps may be inaccurate and isn't a conclusive indication of actual diminished system run time. It's best to rely on the information reported in the battery health menu, described above.
Diagnose battery issues
Find out how to check your hardware, identify apps or features contributing to high energy use, and resolve charging issues.
Run diagnostics
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A great place to start when troubleshooting battery issues is the built-in diagnostics that are available on your Mac notebook. Find out how to use Apple Diagnostics on your Mac.
If you can't find any issues with Apple Diagnostics, read on for more information about troubleshooting your battery.
Check the battery status menu
The battery status menu shows you how much charge your battery has and whether it's charging at the moment. This menu is on the right-hand side of the menu bar:
The battery status menu also tells you if your display or any apps are using significant energy. Also consider closing any apps that are listed to save battery power.
If you use optimised battery charging in macOS Big Sur, you'll see additional information when your Mac is connected to power, such as whether charging has paused or when your battery will be fully charged. If charging has paused and you need to have your Mac fully charged sooner, click Charge To Full Now.
Resolve charging issues
Get help with other issues such as if your Mac won't recognise a power adapter or charge to 100%. Microsoft office 365 for macbook air free download.
If your Mac isn't charging
Confirm the correct wattage AC adapter for your computer. A power adapter rated for a lower wattage than is required for the system might not charge the computer reliably. If you're not sure which power adapter to use with your computer, find out how to find the right power adapter and cord for your Mac notebook.
For more help, find out what to do if your USB-C power adapter isn't charging your Mac notebook. If issues persist, shut down your Mac, close the display for 30 seconds and then try to charge again. Or if you have an Intel-based Mac, reset the SMC.
If your Mac won't charge to 100%
If you use optimised battery charging in macOS Big Sur or use macOS Catalina or earlier, occasionally, the battery may not show a full charge (100%) in macOS, even after the power adapter has been connected for an extended period of time. This behaviour is normal and helps prolong the overall life of the battery.
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Servicing the battery in your Mac notebook
MacBook, MacBook Air and MacBook Pro computers with built-in batteries should only have their batteries replaced by an Apple Authorised Service Provider or Apple Retail Store. Attempting to replace a built-in battery yourself could damage your equipment, and such damage is not covered by the warranty.
Some older Mac notebooks have removable batteries that you can replace yourself. Contact an Apple Authorised Service Provider or Apple Retail Store for assistance servicing a removable battery.
Battery warranty information
Your Apple One-Year Limited Warranty includes replacement coverage for a defective battery. If you purchased an AppleCare Protection Plan for your Mac notebook, Apple will replace the notebook battery at no charge if it retains less than 80 per cent of its original capacity. If you don't have cover, you can have the battery replaced for a fee.
Understanding batteries in Mac notebooks
MacBook, MacBook Air and MacBook Pro computers come with lithium polymer batteries to provide maximum battery life in a compact space. To understand battery technology and battery life, it's good to know common battery terminology:
- Cycle count: Batteries are expected to function for a certain number of cycles. This number represents the sum of total and partial discharge cycles throughout the life of the battery. You can see the cycle count limit for your computer by reviewing Determining battery cycle count for Mac notebooks.
- Full charge capacity: Measured in mAh (milliampere hours), this refers to the amount of power the battery is capable of containing, minus the energy required to shut down the device. This number lowers as the battery becomes depleted with usage and age.
- Remaining charge capacity: This number represents the current amount of power left in the battery as measured in mAh (milliampere hours). Using the computer when not connected to AC power will cause this number to decrease as power is depleted from the battery.
- Defective: Batteries are considered defective when they stop working due to a defect in materials or workmanship, or due to a manufacturing defect. Defective batteries are covered under Apple's one-year limited warranty and extended-service contracts.
- Load: The amount of activity being performed by a task or tasks. Certain power-intensive processes place a heavier load on the battery and result in a greatly reduced runtime per charge.
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Learn more
Find out more about the batteries used in Apple products.
In brief: When you turn on your MacBook Pro, does it look like your desktop is about to put on a vaudeville show? It could be caused by a display cable that is too short. Apple will now fix that problem for free on eligible laptops.
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Apple launched a repair program for those who have fallen victim to the “flexgate” display problem. The free repairs only apply to 2016 MacBook Pros with or without the Touch Bar. The program only covers laptops for four years after they were purchased, so those who bought their 2016 Pro when they first launched in October 2016, have a little over a year to make a claim.
The issue was first noticed back in January. One MacBook Pro user started a petition reporting that his display's backlight was acting up. The symptoms included a “stage light” effect at the bottom of the screen or the display completely shutting off if the lid was opened more than halfway.
It turns out the cause of the issue is a cable that connects the display to the base of the laptop. The cable is a bit too short, and over time the stretching caused by opening and closing the MacBook creates a faulty connection.
An iFixit breakdown of a 2018 MacBook showed that Apple quietly fixed the problem in newer models by using a longer cable. Of course, this did nothing to address the issue that 2016 users are having, so Apple initiated the repair program.
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It insists that the defect is only present in “a very small percentage of 13-inch MacBook Pro displays.” However, similar symptoms have also been reported occurring in 2016 and 2017 13- and 15-inch MacBook Pros. If complaints continue, expect Cupertino to expand the repair program.
Affected users can drop off their defective unit at the closest Apple authorized service provider or Apple Store. Alternatively, they can contact Apple Support to set up a mail-in repair.
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