Apple mac mini User Manual

2 - Mac mini Troubleshooting
 General Information
Power Adapter Serial Number 

Mac mini Troubleshooting - 3
 General Information
Thermal Pad
The thermal pad is located on the bottom housing. A new thermal pad is included with the 
logic board and the bottom housing, and the pads can be ordered separately as a kit (part 
number 922-6749).
Replace the pad when:
• the logic board or the bottom housing is replaced
• the pad is torn, withered, or damaged
Important:  Never use thermal paste in place of the thermal pad. You must replace the 
thermal pad with a new identical pad....

4 - Mac mini Troubleshooting
 General Information
Ports
The Mac mini ports are shown below.
The Mac mini ports shown with the modem plug in place. 

Mac mini Troubleshooting - 5
 General Information
DVI to VGA Adapter
The Mac mini comes with a small DVI to VGA adapter in the box. This adapter allows you 
to use your Mac minis DVI port with a VGA-compatible display.
Replacement adapter 
If you need to replace the DVI to VGA adapter that came with your Mac mini, this Apple 
DVI to VGA Display Adapter (model M8754G/A) is functionally equivalent, and can be 
purchased through the Apple Store. This is the same adapter that came with some other 
Macintosh...

6 - Mac mini Troubleshooting
 General Information
Compatible Apple  Displays
The Mac mini has a DVI-I port on the back of the computer that allows you to connect any 
display that uses a DVI interface.
In addition, the Mac mini comes with a DVI to VGA adapter (shown below), if you prefer to 
connect a VGA monitor to your Mac mini.
If you connect a DVI monitor to the Mac mini, it can display digital resolutions up to 1920 x 
1200 pixels, depending on your monitor. If you use the included DVI to VGA...

Mac mini Troubleshooting - 7
 General Information The following Apple displays are 
not compatible with a Mac mini:
Refer to Knowledge Base article 300652 for updates to this table.
Apple Studio Display LCD (ADC)  M7928LL/A ADC Use DVI to ADC  adapter
Apple Studio Display LCD (DVI)  M7612LL/A DVI Compatible
Apple Studio Display LCD M6356LL/B VGA
Use included DVI 
to VGA adapter
Table 2: Displays that are not Compatible
Display Name Marketing 
Part 
NumbersDisplay 
Connector 
typeCompatible
?
Apple...

8 - Mac mini Troubleshooting
 General Information
Memory Specifications and Upgrades
Mac mini computers have a single memory slot. This slot accepts a standard PC2700 or 
PC3200 184-pin DIMM with the following specifications:
• PC2700 or PC3200 Synchronous DRAM (SDRAM)
• 2.5 volt
• 8-byte
• non-parity
• 64-bit wide
• 184-pin module
• maximum of 16 memory devices on the DIMM
• unbuffered—do not use registered or buffered SDRAM
• maximum height of 50 mm
Using PC3200 memory does not provide additional speed...

Mac mini Troubleshooting - 9
 General Information
How to Clean Your Mac mini
Follow these general rules when cleaning the outside of your Mac mini:
• Use a damp, soft, lint-free cloth. Avoid getting moisture in any opening\
s.
• Dont use aerosol sprays, solvents, or abrasives.
Warning:  Do not use acetone, alcohol, or any alcohol-based cleaner on your computer. 
Never spray cleaner directly onto your computer. Liquid could drip inside the case and 
cause an electrical shock.
• Be sure to unplug the...

10 - Mac mini Troubleshooting
 Reset the PMU
Reset the PMU
How to Reset the PMU
The Power Management Unit (PMU) is an integrated circuit (computer chip) typically found 
on a computers logic board. As its name implies, the PMU is responsible for managing all 
aspects of the computers power. It controls hard disk spin down, sleep and wake, some 
charging aspects, and how any devices attached to the computer affect sleep.
If the settings in the PMU become corrupted, it can result in operational anomalies...

Mac mini Troubleshooting - 11
 Reset the PMU
Reset the PMU with the Top Housing Off
You can also reset the PMU by directly pressing the PMU reset switch located on the logic 
board. Follow these steps to access the PMU reset switch on the logic boar
1. Unplug all cables from the computer.
2. Remove the top housing.
3. If necessary, remove the internal frame to access the battery.
4. Measure the voltage of the battery in the battery holder. The battery should measure 
2.6V to 3.0V. If the battery does...