Apple mac mini server mid 2010 User Manual
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Mac mini (Mid 2010) Symptom Charts — Startup and Power 212010-10-29 Won’t Start Up Quick Check SymptomsQuick Check Won’t Start Up • No startup chime • Error tones during startup. • Grey screen with fan noise, or other noise. • Will not progress beyond Apple logo or spinning gear. 1. Isolate by starting up from : -the original install DVD media inserted in Mac mini optical drive or in the optical drive of another computer set up in FireWire Target Disk Mode , -from the same Mac mini model setup in FireWire Target Disk Mode, -from a compatible known-good OS on an external drive. Note that both AirPort and Bluetooth services are available when booted from the Mac mini Install DVD. 2. Reset SMC and PRAM to clear any stored, corrupted information. 3. Start up in Safe Mode by holding the shift key down during startup to load only required kernel extensions and disable all startup and login items. See KBase article http://support.apple.com/kb/HT1564 4. If system generates error tones there may be an issue with the SDRAM or backup battery. See KBase article http://support.apple.com/kb/HT2341 5. Identifying when in the startup process the computer hangs can help isolate the issue. See KBase article http://support.apple.com/kb/HT2674 for information on the Macintosh startup sequence, error codes and symbols used.
Mac mini (Mid 2010) Symptom Charts — Startup and Power 222010-10-29 Deep Dive CheckResultActionCode 1. Insert Mac mini Install DVD in optical drive (or in the optical drive of another computer set up in FireWire Target Disk Mode) and boot the computer with the D keyboard key pressed to run Apple Hardware Test. Does the computer boot up to this volume? YesRun the extended tests and proceed with results. If AHT passes or boots with a memory error, go to step 2. NoGo to step 2. 2. Remove the installed SDRAM, and test with known-good SDRAM. Does the computer startup properly now? YesSDRAM issue. Replace SDRAM. Issue resolved. X02 NoGo to step 3. 3. Connect a known-good 10.6.X up-to-date bootable external USB drive, FireWire drive, or similar system setup in FireWire Target Disk Mode, and press the Alt key on startup to select and attempt to boot from it. Does it boot? YesUse the Apple System Profiler to check for presence of both Hard Drive and Optical SATA drives. Run Disk First Aid to check internal hard drive health and repair (check SMART Status, Repair disk and Privileges). If the hard drive in not recognized, go to Hard Drive Not Recognized If the optical drive is not recognized, go to Optical Drive not recognized. NoGo to Step 4. 4. Remove bottom cover, disconnect AirPort antenna and remove shield, disconnect and remove fan and cowling, then disconnect the following cables from logic board before being able to extract it :HDD, ODD/HDD, Ambient sensor, HD sensor, ODD/HD sensor, IR/LED cable. Is there a gray screen with a flashing folder? YesReconnect only the optical / second hard drive cable to logic board and go to Step 5 NoReplace logic board.M02
Mac mini (Mid 2010) Symptom Charts — Startup and Power 232010-10-29 5. Power on system, press the C key on keyboard , insert the original Mac mini 10.6.X Install DVD in internal optical drive (or in the optical drive of another computer set up in FireWire Target Disk Mode) and attempt to boot from it. Does it boot? YesReconnect the hard drive cable to logic board and go to step 6 NoIf the optical drive is not recognized, go to Optical Drive not recognized. 6. Power on system, press the Alt key on keyboard and attempt to boot the system from the Internal hard drive. Does it boot? YesSystem is booting. Issue does not happen anymore. NoIf the hard drive in not recognized, go to Hard Drive Not Recognized Intermittent Shutdown Quick Check SymptomsQuick Check Intermittent Shutdown • Powers off during startup. • Powers off during desktop use. • Computer restarts spontaneously. • Powers off when waking from sleep. 1. Isolate OS by starting up from original Install media for the computer, the same make and model computer in Target Disk Mode, or compatible known-good OS on an external drive. Both AirPort and Bluetooth services are available when booted from the Install disk. 2. Reset SMC and PRAM to clear any stored, corrupted information. 3. Start up in Safe Mode by holding the shift key down during startup to load only required kernel extensions and disable all startup and login items. See KBase article http://support.apple.com/kb/HT1564 4. Open System Preferences > Energy Saver > Schedule and make sure that a ‘Shut Down’ event is not scheduled. 5. Make sure that power cord is securely attached to the back of the computer, and is not hindered by a desk or other furniture. 6. Plug the computer directly into an AC outlet to test whether a surge protector, outlet strip, or UPS is causing the issue.
Mac mini (Mid 2010) Symptom Charts — Startup and Power 242010-10-29 Intermittent Shutdown Unlikely cause: hard drive, optical drive Troubleshooting Shutdown Causes Always run the latest available service utilities, to look for the possible cause of a previous shutdown. These utilities will permit to isolate any abnormal value readings from the thermal, voltage, or current sensor(s), and from the fan(s) speed meter(s). Collect all available info from user on shut down occurrence details: periodicity, connected devices, running applications, running time before shutdown. Shutdown events could be categorized between four different types of causes. User-related shut downs : A computer shut down event may be caused by user operation. Shutting down the computer (by selecting the Shutdown menu, by keeping pressed the Power button for at least 4 seconds, or by programming a timed shutdown in the Energy Saver preferences) should not be considered as a failure unless the power button is found to be defective, so the suggested steps for troubleshooting will be: - to reset the SMC, - to check Energy Saver preferences settings, - to check the Power On button functionality, and its secure connection to logic board. Activity-related system shut downs : - system could not succeed the standard shutdown process and had to force shutdown, - an installed watchdog detected that an application did not respond within specified time (this watchdog can be enabled on Mac OS X Server Energy Saver preferences) These shut downs may be linked to system settings, devices drivers, applications or operating system freezes, so the suggested steps for troubleshooting will be: - to check the system logs and activity monitor utility for clues on the freezing process, - to check for available software and firmware updates for installed device drivers, applications, or operating system, - to start the system from a known-good and up-to-date bootable drive for issue reproduction. Power-related system shut downs : -External AC power source was removed, -External AC power source was removed and UPS battery went empty. These shut downs are due to power management, poor connections or defective power sources so the suggested steps for troubleshooting will be : - to reset SMC, -to check secure AC cable and power supply connection to logic board, - Hardware-related system shut downs: - one of the temperature sensors reached a specified temperature limit, - one of the voltage sensors reached a specified voltage limit,
Mac mini (Mid 2010) Symptom Charts — Startup and Power 252010-10-29 - one of the current sensors reached a specified current limit, These shut downs are due to temperature, voltage, current, fan speed or other hardware related sensor values getting out of range, so the suggested steps for troubleshooting will be: - to check for all sensors connections and values using the latest available service utilities and Apple Service Diagnostics, - to check for fan(s) operation, - to check for cleanliness of the heatsink fins and the air flows, - to check for correct seating of the heatsink on logic board and presence of adequate thermal material. Quick Check SymptomQuick Check Intermittent shutdown • Powers off during startup • Powers off during desktop use 1. Collect details from customer on shutdown occurrence and system configuration when it happens (on startup, when running for a while, frequency of shutdowns, running applications, shutdown repeatability). If shutdown can be easily reproduced, check next steps: 2. Check AC cable connection with system 3. Reset SMC and PRAM 4. Start up with shift key down for safe mode check 5. Startup from known-good bootable device 6. Run latest available service utilities for sensors + thermal tests Deep Dive CheckResultActionCode 1. Power related shutdown : Check with known-good AC cable. Verify if the shutdown issues disappear with known-good AC cable. YesFaulty user’s AC cable. Replace user’s AC cable. X03 NoSymptoms unchanged - Go to step 2
Mac mini (Mid 2010) Symptom Charts — Startup and Power 262010-10-29 2. Activity related shutdowns: Reset SMC and PRAM and verify that shutdown issue still happens. YesCheck with booting from known-good bootable drive: go to step 3 NoShutdown cause was related to SMC or Pram programmed shutdown settings or corruption, and was resolved by reverting them to default settings. 3. Boot from a known-good bootable drive (external bootable drive or similar system set as FireWire Target mode) , verify that shutdown issue still happens. YesGo to step 4 No Shutdown events do not happen on known-good OS. Reinstall Mac OS on customer hard drive, update OS with latest version and check if any firmware update is available. 4. Hardware-related shutdowns: Run the latest available service diagnostics and verify if a sensor failure is reported. Yes-If a Temperature or a Fan sensor failure is reported, go to step 5 -If a Voltage or a Current sensor failure is reported, replace logic board. M23 NoSetup ASD to loop test suite for burn in tests and go to step 5. If no failure is found after burn in tests, return unit to customer for no failure found.
Mac mini (Mid 2010) Symptom Charts — Startup and Power 272010-10-29 5. Verify if a thermal sensor or fan failure is reported by latest available service diagnostics. Yes- If a fan failure is reported, check for fan cable seating and retest. If same failure happens when retesting, replace fan with known-good one and retest. If issue does not happen anymore with the known-good fan, replace user’s fan. - If a thermal failure is reported, check for cause of excessive temperature, (like clogged fan, disconnected sensor cable, obstructed vent, dust in heatsink fin) and retest. If still failing locate affected sensor and replace it if available as a standalone part, or replace part where sensor is integrated (logic board, power supply, heatsink) according to the sensor location table . Go to step 6 X22 X03 M23 P17 X10 NoReplace Thermal module Go to step 6 X10 6. Isolate if issue solved. Verify if shutdown/issue does not happen anymore after part exchange. YesIssue fixed NoReplace logic board with corresponding symptom: -if for thermal error cause -if for other cause M18 M08
Mac mini (Mid 2010) Symptom Charts — Startup and Power 282010-10-29 Kernel Panic, System Crashes Quick Check SymptomsQuick Check Kernel Panic, System Crashes • Kernel Panic on startup or desktop use. • System freeze during use. • System freeze upon wake from sleep. 1. Isolate OS by starting up system from original Mac mini Install DVD, from the same model of computer setup in Target Disk Mode, or from compatible known-good OS on an external drive. Both AirPort and Bluetooth services are available when booted from the Install disk. 2. Ensure that all software and firmware updates for the computer have been installed to take advantage of any available bug fixes. 3. Reset SMC and PRAM to clear any stored, corrupted information. 4. Start up in Safe Mode by holding the shift key down during startup to load only required kernel extensions and disable all startup and login items. See KBase article http://support.apple.com/kb/HT1564 5. Check the panic.log, located /Library/Logs/ Panicreporter, for information in the backtrace that may give clues about which hardware driver was loading when kernel panic occurred. 6. For more information on kernel panics refer to KBase article http://support.apple.com/kb/HT1392 Deep Dive CheckResultActionCode 1. Run the latest available service utilities, or try to run the Apple Hardware Test (with or without the Install DVD available) by pressing the D keyboard key on startup. Does the computer boot up to any of these diagnostics? YesRun all available tests and proceed with results. If diagnostics still boot with a kernel panic, go to step 2. NoGo to step 2.
Mac mini (Mid 2010) Symptom Charts — Startup and Power 292010-10-29 2. Remove all external peripheral devices including keyboard and mouse. Does computer now start without any kernel panic? YesAdd peripheral devices one at a time and restart each time until the kernel panic repeats. Replace device whose addition causes the issue. NoGo to step 3. 3. Use known-good SDRAM in the system. Does the computer start without kernel panic now? YesInstall user’s SDRAM and test. If kernel panic repeats, replace SDRAM. Verify that the correct SDRAM type is being used. X01 NoGo to step 4. 4. Remove bottom cover, disconnect AirPort antenna and remove shield, disconnect and remove fan and cowling, then disconnect the following cables from logic board before being able to extract it :HDD, ODD/HDD, Ambient sensor, HD sensor, ODD/HD sensor, IR/LED cable. Disconnect the AirPort / Bluetooth card flex cable and retest. Does the computer start without kernel panic now? YesGo to AirPort Card Kernel Panic symptom flow. NoGo to step 5. 5. Reconnect the Optical drive (if present), but do not reconnect the Hard Drive cable on logic board and startup from the original Mac mini Install DVD inserted in internal optical drive (if present, or in the optical drive from another computer setup in Target Disk Mode), or from and external volume. Does the computer start without kernel panic now? YesGo to Hard Drive Not Recognized symptom flow. NoGo to step 6 6. Disconnect the Optical Drive/ Second Hard Drive cable from logic board and test. Does the computer start without kernel panic now? YesGo to Optical Drive not recognized symptom flow if an optical drive is present, Go to Hard Drive Not Recognized symptom flow. If a second hard drive is present NoReplace logic board.M06
Mac mini (Mid 2010) Symptom Charts — Startup and Power 302010-10-29 No Video Unlikely cause: hard drive, optical drive, speakers Quick Check SymptomsQuick Check No Video • No image. 1. Inquire which video port and cable is used by customer. 2. Check connectors and cables for pin damage. 3. Check both computer DisplayPort and HDMI connections with known-good displays. 4. (DisplayPort) If DisplayPort to DVI adapter cable is used in customer’s configuration, check it on a known-good computer 5. (HDMI) If issue only happens on customer’s HDMI display, make sure that he selected the correct AV input, that he connected directly the computer to display and that he is using known-good HDMI cable. 6. Reset SMC. 7. Go to Deep Dive. Deep Dive: No Video CheckResultActionCode 1. Verify boot chime present and fans running when system powered ON. (Reset SMC and clear PRAM if necessary for proper boot up.) YesPower ON self test OK. Boot sequence started. Go to step 2. NoGo to Won’t Start Up symptom flow. 2. (DisplayPort) Connect supported external display via mini DisplayPort. Verify whether image appears correctly on external display when system is booted. YesVideo present. Verify system functionality and return to user or jump to appropriate display troubleshooting flow. NoGo to step 3.