Clicking noise from power adapter

I have a G4 Titanuium and today when I plugged the power adapter into my AC outlet it was making a clicking noise. This is before I plug it into the Powerbook. When I do plug it into the Powerbook I cannot charge my battery. Does anyone know what this coud be. I think I will end up having to buy a new power adapter but I would like to know what has failed as it worked perfectly yesterday.

My PSU started clicking, it worked for a short period but very soon if was totally dead. I tried to open the thing but it was a bit of a mess when I finished and I wa no-where near spoting any short etc. Regret you just have to get a new one.
When I got my new PSU it wouldn't charge properly. It overheated (yes I know they get hot - this was overheated to the point where it cut out). I had to reset the Ti's PMU before normal operation was restored.
HTH
mrtotes

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    Since replacing my G5 with a new mac mini I hear frequent clicking noises from the APC Back-UPS that I have it plugged into. The only obvious difference is that the mini has an ungrounded two-prong plug while the G5 had a grounded three-prong plug. The clicking noise consists of two clicks in succession, the second one slightly lower in pitch. This occurs at random intervals but also in response to anything that I'm doing on the computer such as opening or closing an application, resizing a window, visiting or exiting a website, etc. Occassionally it will happen when the computer is asleep in which case I will hear the fan running briefly in the mini although the monitor doesn't wake up. When this happens I will often see the internet activity monitor light flashing on my dsl modem. I don't know if these noises are a sign that something isn't working properly or just an annoyance. In either case I would welcome suggestions on how to stop it as well as any ideas as to what might be causing it. The APC unit provides battery back-up power in the case of a power outage and surge protection. I submitted my question to APC support but got no response. I also talked to someone at AppleCare and he had no idea what was causing this and wasn't even sure if he knew what I was asking about. However lots of people use back-ups units so someone out there must have experienced this phenomena besides me.

    I checked that box but wasn't around the sleeping computer long enough to tell if it made a difference. I plugged in a lamp with a dimmer and turned it up and down with no effect. Then I had an idea. I'm going to wait a couple of days before marking this as definitely solved, but here's what happened:
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    Hi,
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    weizhou12 wrote:
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  • Question Mark  clicking noise from internal seagate HDD

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  • Clicking noise from hard disk

    Hello forum,
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  • Clicking noise from Ac adaptor while charging using 600W inverter

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  • Clicking noise from back left of MBP -- speaker maybe?

    Hi all,
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    Welcome to Apple Discussions!
    I didn't read all of that long thread, but I have heard of the type of noise you describe being associated with the hard drive. Whether it's benign or ominous or something else entirely is hard to say. But there are a couple of little utilities that can help you evaluate your hard drive:
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    http://www.corecode.at/smartreporter/
    S.M.A.R.T. Utility:
    http://www.versiontracker.com/dyn/moreinfo/macosx/32454
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    Also, there have been some problems with one model of Seagate drive, so check and see if you have a Seagate.
    My Fujitsu drive is absolutely silent, and that is what you should expect. My external La Cie makes clicking noises every so often, and always has, so I think that is normal for it.
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  • Clicking noise from a laptop HDD

    I'll give you a link for a dead topic in which a user explaines a problem similar to mine: https://bbs.archlinux.org/viewtopic.php?id=39450
    I'll also write some similar stuff here.
    It's been almost two years or so since I get these now-and-then clicks from the hard disk drive. Some say that the noise is produced when the head is parking. But the noise here comes when the disk performs a read or write too. Also comes when it's idle, sometimes.
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    smartctl info:
    Model Family: Hitachi Travelstar 5K100 series
    Device Model: HTS541060G9SA00
    Serial Number: MPBCL5XGK9GSJT
    Firmware Version: MB3OC60P
    User Capacity: 60,022,480,896 bytes
    Device is: In smartctl database [for details use: -P show]
    ATA Version is: 7
    ATA Standard is: ATA/ATAPI-7 T13 1532D revision 1
    Local Time is: Thu Jan 6 11:45:05 2011 CET
    SMART support is: Available - device has SMART capability.
    SMART support is: Enabled
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    SMART overall-health self-assessment test result: PASSED
    SMART Attributes Data Structure revision number: 16
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    ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
    1 Raw_Read_Error_Rate 0x000b 100 100 062 Pre-fail Always - 0
    2 Throughput_Performance 0x0005 100 100 040 Pre-fail Offline - 2844
    3 Spin_Up_Time 0x0007 253 100 033 Pre-fail Always - 1
    4 Start_Stop_Count 0x0012 096 096 000 Old_age Always - 6408
    5 Reallocated_Sector_Ct 0x0033 100 100 005 Pre-fail Always - 33 (0, 4)
    7 Seek_Error_Rate 0x000b 100 100 067 Pre-fail Always - 0
    8 Seek_Time_Performance 0x0005 100 100 040 Pre-fail Offline - 0
    9 Power_On_Hours 0x0012 063 063 000 Old_age Always - 16461
    10 Spin_Retry_Count 0x0013 100 100 060 Pre-fail Always - 0
    12 Power_Cycle_Count 0x0032 098 098 000 Old_age Always - 3695
    191 G-Sense_Error_Rate 0x000a 100 094 000 Old_age Always - 0
    192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 143
    193 Load_Cycle_Count 0x0012 054 054 000 Old_age Always - 469554
    194 Temperature_Celsius 0x0002 189 080 000 Old_age Always - 29 (Lifetime Min/Max 2/68)
    196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always - 3
    197 Current_Pending_Sector 0x0022 100 100 000 Old_age Always - 0
    198 Offline_Uncorrectable 0x0008 100 100 000 Old_age Offline - 0
    199 UDMA_CRC_Error_Count 0x000a 200 253 000 Old_age Always - 0
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    Cheers!

    @op - on an older machine, I have bad sectors that need to be repaired:
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    smartctl 5.40 2010-10-16 r3189 [i686-pc-linux-gnu] (local build)
    Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net
    === START OF INFORMATION SECTION ===
    Model Family: Western Digital Caviar Blue EIDE family
    Device Model: WDC WD5000AAKB-00H8A0
    Serial Number: WD-WCBSYA357420
    Firmware Version: 05.04E05
    User Capacity: 500,107,862,016 bytes
    Device is: In smartctl database [for details use: -P show]
    ATA Version is: 8
    ATA Standard is: Exact ATA specification draft version not indicated
    Local Time is: Sat Jan 8 05:53:51 2011 EST
    SMART support is: Available - device has SMART capability.
    SMART support is: Enabled
    === START OF READ SMART DATA SECTION ===
    SMART overall-health self-assessment test result: PASSED
    General SMART Values:
    Offline data collection status: (0x85) Offline data collection activity
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    Auto Offline Data Collection: Enabled.
    Self-test execution status: ( 121) The previous self-test completed having
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    Total time to complete Offline
    data collection: (11160) seconds.
    Offline data collection
    capabilities: (0x7b) SMART execute Offline immediate.
    Auto Offline data collection on/off support.
    Suspend Offline collection upon new
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    Offline surface scan supported.
    Self-test supported.
    Conveyance Self-test supported.
    Selective Self-test supported.
    SMART capabilities: (0x0003) Saves SMART data before entering
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    Supports SMART auto save timer.
    Error logging capability: (0x01) Error logging supported.
    General Purpose Logging supported.
    Short self-test routine
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    Extended self-test routine
    recommended polling time: ( 131) minutes.
    Conveyance self-test routine
    recommended polling time: ( 5) minutes.
    SCT capabilities: (0x3037) SCT Status supported.
    SCT Feature Control supported.
    SCT Data Table supported.
    SMART Attributes Data Structure revision number: 16
    Vendor Specific SMART Attributes with Thresholds:
    ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
    1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0
    3 Spin_Up_Time 0x0027 197 158 021 Pre-fail Always - 3141
    4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 45
    5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0
    7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0
    9 Power_On_Hours 0x0032 094 094 000 Old_age Always - 4712
    10 Spin_Retry_Count 0x0032 100 253 000 Old_age Always - 0
    11 Calibration_Retry_Count 0x0032 100 253 000 Old_age Always - 0
    12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 43
    192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 40
    193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 45
    194 Temperature_Celsius 0x0022 111 105 000 Old_age Always - 36
    196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0
    197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 2
    198 Offline_Uncorrectable 0x0030 200 200 000 Old_age Offline - 2
    199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0
    200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline - 0
    SMART Error Log Version: 1
    Warning: ATA error count 264 inconsistent with error log pointer 1
    ATA Error Count: 264 (device log contains only the most recent five errors)
    CR = Command Register [HEX]
    FR = Features Register [HEX]
    SC = Sector Count Register [HEX]
    SN = Sector Number Register [HEX]
    CL = Cylinder Low Register [HEX]
    CH = Cylinder High Register [HEX]
    DH = Device/Head Register [HEX]
    DC = Device Command Register [HEX]
    ER = Error register [HEX]
    ST = Status register [HEX]
    Powered_Up_Time is measured from power on, and printed as
    DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,
    SS=sec, and sss=millisec. It "wraps" after 49.710 days.
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    When the command that caused the error occurred, the device was active or idle.
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    ER ST SC SN CL CH DH
    40 51 00 51 60 81 e0 Error: UNC at LBA = 0x00816051 = 8478801
    Commands leading to the command that caused the error were:
    CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
    c8 00 00 27 60 81 00 00 3d+20:58:56.146 READ DMA
    ec 00 00 00 00 00 00 00 3d+20:58:56.138 IDENTIFY DEVICE
    ef 03 45 00 00 00 00 00 3d+20:58:56.133 SET FEATURES [Set transfer mode]
    Error 263 occurred at disk power-on lifetime: 4571 hours (190 days + 11 hours)
    When the command that caused the error occurred, the device was active or idle.
    After command completion occurred, registers were:
    ER ST SC SN CL CH DH
    40 51 00 51 60 81 e0 Error: UNC at LBA = 0x00816051 = 8478801
    Commands leading to the command that caused the error were:
    CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
    c8 00 00 27 60 81 00 00 3d+20:58:53.639 READ DMA
    ec 00 00 00 00 00 00 00 3d+20:58:53.631 IDENTIFY DEVICE
    ef 03 45 00 00 00 00 00 3d+20:58:53.626 SET FEATURES [Set transfer mode]
    Error 262 occurred at disk power-on lifetime: 4571 hours (190 days + 11 hours)
    When the command that caused the error occurred, the device was active or idle.
    After command completion occurred, registers were:
    ER ST SC SN CL CH DH
    40 51 00 51 60 81 e0 Error: UNC at LBA = 0x00816051 = 8478801
    Commands leading to the command that caused the error were:
    CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
    c8 00 00 27 60 81 00 00 3d+20:58:51.134 READ DMA
    ec 00 00 00 00 00 00 00 3d+20:58:51.127 IDENTIFY DEVICE
    ef 03 45 00 00 00 00 00 3d+20:58:51.121 SET FEATURES [Set transfer mode]
    Error 261 occurred at disk power-on lifetime: 4571 hours (190 days + 11 hours)
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    After command completion occurred, registers were:
    ER ST SC SN CL CH DH
    40 51 00 51 60 81 e0 Error: UNC at LBA = 0x00816051 = 8478801
    Commands leading to the command that caused the error were:
    CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
    c8 00 00 27 60 81 00 00 3d+20:58:48.627 READ DMA
    ec 00 00 00 00 00 00 00 3d+20:58:48.619 IDENTIFY DEVICE
    ef 03 45 00 00 00 00 00 3d+20:58:48.614 SET FEATURES [Set transfer mode]
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    c8 00 00 27 60 81 00 00 3d+20:58:46.123 READ DMA
    ec 00 00 00 00 00 00 00 3d+20:58:46.115 IDENTIFY DEVICE
    ef 03 45 00 00 00 00 00 3d+20:58:46.109 SET FEATURES [Set transfer mode]
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    Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
    # 1 Short offline Completed: read failure 90% 4712 8478801
    # 2 Short offline Completed: read failure 90% 4570 8478801
    # 3 Short offline Completed: read failure 90% 4570 8478801
    # 4 Short offline Completed: read failure 90% 3540 8273697
    # 5 Extended offline Completed without error 00% 734 -
    # 6 Extended offline Completed without error 00% 527 -
    # 7 Extended offline Completed without error 00% 31 -
    # 8 Extended offline Interrupted (host reset) 70% 16 -
    # 9 Short offline Completed without error 00% 16 -
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    SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS
    1 0 0 Not_testing
    2 0 0 Not_testing
    3 0 0 Not_testing
    4 0 0 Not_testing
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    Hi
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    If you find a post helpful and it answers your question, please mark it as an "Accepted Solution".! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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    If you find a post helpful and it answers your question, please mark it as an "Accepted Solution".! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
    Follow @LenovoForums on Twitter!

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