Do all iMacs start with noisy fans?

I'd like someone to confirm with me if the rattle/noise that I'm hearing in my brand new 27" Quad Core iMac is an engineered decision; or whether I'm actually paying for the best quality parts money can buy for a fully integrated system.
I've had this computer for less than a month, and the moment I started it up for the first time, that was the first thing I heard before the chime. It's constant - even when the fan speed is idle; and sometimes it's louder than what I'm listening to at low levels.
Please can someone provide me with some helpful advice on what to do about this.
Many Thanks
Matt

MattFaulkner wrote:
Please can someone provide me with some helpful advice on what to do about this.
Many Thanks
Matt
Take it back for warranty service or replacement.
Stedman

Similar Messages

My imac starts with a white screen, then goes black and a small white line just blinks in the top left corner of the screen?

My imac starts with a white screen, then goes to black with a small white line blinking in the top left corner of the screen. Any ideas? Thanks.

Try starting your iMac with the original DVD that came with the machine then launch disk utility to repair your hard drive.

How to return all columns starting with E?

How to return all columns starting with E in emp table?
My attempts (below) were unsuccessful.
SQL> SELECT E* from emp;
SELECT E* from emp
ERROR at line 1:
ORA-00936: missing expression
SQL> SELECT E.* FROM EMP;
SELECT E.* FROM EMP
ERROR at line 1:
ORA-00904: "E": invalid identifier
SQL> SELECT EMP.E* FROM EMP;
SELECT EMP.E* FROM EMP
ERROR at line 1:
ORA-00936: missing expression

You need to do it dynamically:
SQL> var cur refcursor
SQL> declare
co varchar2(40);
begin
for c in (select column_name from cols where table_name = 'EMP' and column_name like 'E%') loop
    co := co || c.column_name || ',';
end loop;
open :cur for 'select '|| rtrim(co,',') || ' from emp';
end;
PL/SQL procedure successfully completed.
SQL> print cur
     EMPNO ENAME
      7369 SMITH
      7499 ALLEN
      7521 WARD
      7566 JONES
      7654 MARTIN
      7698 BLAKE
      7782 CLARK
      7788 SCOTT
      7839 KING
      7844 TURNER
      7876 ADAMS
      7900 JAMES
      7902 FORD
      7934 MILLER
14 rows selected.

Trouble running hardware test on 07 iMac with noisy fan

Hello
I have an 07 iMac with a noisy fan- I've tried vacuuming out dust from the back but want to avoid taking it apart if possible...
I read online I should run the hardware test, but since I am running Mavericks the Apple support advice is to run the original OS X install disc and restart (holding down D or Option+D)...
Long story short I got a replacement disc from Apple (I'd lost the original) but the iMac ejects it when I restart following the process above... could it be my bluetooth keyboard? Hopefully not since I no longer have the original hardwired one... or does anyone have any other ideas for either how to get to the hardware test... or fix the fan (without a third party app just stopping it)
Thanks!

Try holding down the Option key to get the one time boot manager screen then select the AHT. Not sure as Apple moved it around on different install discs but it might be on the Applications discs and not the OS X discs.

Sometimes my iMac starts with white lettering across the screen on a black ground and after switching off for a few seconds starts on ok ! Any ideas

Sometimes my iMac starts up with white lettering acrossthe screen on a black background - when it's switched off for a few seconds it starts up ok. Can anyone tell me why this happens ?

I have read on here that a PRAM reset can cure this problem:
Shut down your Mac.
Locate the following keys on the keyboard: Command (⌘), Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.

Why my imac start with question mark sign on gray screen

need help with imac start up

Click here and follow the instructions. If the computer was running Mac OS X 10.6.8 or earlier and you reach the third set of steps, insert a Mac OS X install disk.
(111966)

Monitor all service Start with the word "SAP"

Hallo
i have sccm 2012
Can monitor services start with the word "SAP"
Instead of monitoring all service set separately .
thanks

Hi,
Did some research and came to the following solution
Open the System Center Operations Manager Console.
Go to Authoring and expand Management Pack Templates
Right Click Windows Service and click Add Monitoring Wizard
On the Monitoring Type page select Windows Service and click Next
Give the Service and store the it in a New Created Management Pack and click Next
On the Service Name Type SAP* on the Target group Select Windows Server Computer Group and click Next
On the Performance Data page click Next
On the Summary page click Create
Export the Management Pack pack you created
In the Management pack replace the following code:
<DataSource ID="DS" TypeID="Windows!Microsoft.Windows.Win32ServiceInformationProviderWithClassSnapshotDataMapper">
<ComputerName>$Target/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>
<ServiceName>sap*</ServiceName>
<Frequency>60</Frequency>
With the following code
<DataSource ID="DS" TypeID="Windows!Microsoft.Windows.WmiProviderWithClassSnapshotDataMapper">
<NameSpace>root\cimv2</NameSpace>
<Query>select * from win32_service where name like 'sap%'</Query>
<Frequency>60</Frequency>
Second replace
<Value>$Data/Property[@Name='BinaryPathName']$</Value>
With
<Value>$Data/Property[@Name='PathName']$</Value>
Save the management pack and upload it to System Center Operations Manager.
In the Operations Console Click Monitoring
Click Discoverd Inventory and change the target type to the target you created. Then the view should look something like this:
I created the management pack You can download it from here: http://www.ms-opsmgr.eu/wp-content/uploads/Download/2015/SAP/SAP.Services.xml
GReetings Roel Knippen
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

X61 tablet with noisy fan

hello,
feeling frustrated now that the fan decided to make a loud buzzing noise just after my warranty expired!!!
The laptop just reached 2yrs 1month old.
I rarely use it until a few months ago and this happens.
I tried unscrewing the keboard and blowing at the fan hoping to clear dust which did not work....
What action should I take?

You can get it serviced or you can replace the fan.
Here is the "Hardware Maintenance Manual', you should be able to find the part number associated with your fan ("FRU") and purchase a replacement fairly easy. The cheapest place for the part will probably be eBay, there are some sellers that ship from Malaysia.
Currently own: X220T, X201, X200, T61 X2, X61T X3

IMac starts with fan, screen stays black

When attempting to start my iMac G5 (Ambient Light Sensor), fans come on but screen stays black. A couple minutes later, the fans rev up and run very quickly and loudly. This started happening when:
1. One day the screen showed a green question mark with a message indicating that the computer needed to be restarted in a box
2. Green lines were all across the screen
3. I forced it to shut down by holding down the power button
4. When I attempted to start it back up the fans started but the screen stayed black
5. After a couple of minutes, the fans revved up
This has been happening ever since. One time the computer started to the desktop but everything was frozen. I have reset the PMU, checked the diagnostic LEDs, reset the PRAM-basically everything suggested. Can anyone help? Thanks!

Try the suggestions mentioned in the following Articles:
http://docs.info.apple.com/article.html?artnum=301283 Troubleshooting when there's no picture on the display
http://docs.info.apple.com/article.html?artnum=301733 iMac G5: How to Reset the SMU (iMac G5, the iMac G5 (Ambient Light Sensor), and the iMac G5 (iSight)).
Strongly recommend that you update to OS 10.4.11. Your system info confirms you are still using the basic Tiger OS.

Frequent and chronic Slowness on Late 2009 21.5" iMac, Issues with Display, Fan, and Booting

Hello,
Sorry for the repost, but I realized after the edit period had passed that I left out a lot of information from my original post, and that I misrepresented my problem in the question heading. Because of this, I am posting again with the updated information.
I am using a 21.5" iMac from Late 2009 with OSX Mavericks 10.9.2. Recently, I have been experiencing several signs of failure/aging during use:
Frequent:
Mail.app slow opening, closing; messages opened in large batches do not get marked as read
Terminal.app experiences noticeable lag when opening (it sometimes takes between 5 and 20 seconds between launching the application and getting an active prompt)
Processes lag or become unresponsive, even when not many applications are running
Browswers frequently become unresponsive, pinwheel, or lag considerably, frequently requiring a force-quit.
Mouse Pinwheels Frequently
Intermittent
Computer generates loudly audible fan noises, persists even when computer is briefly powered off during a reboot; does not always stop after rebooting
Finder often becomes unresponsive
Rare (one time only)
Machine powered on in "Safe Boot" mode for no apparant reason; red text reading "Safe Boot" in menu bar of login screen; background picture slideshow mode became very glitchy, phased and flashed in horizontal grey bars before loading next background image
Chronic (Consistently Happens)
Machine will not boot if plugged into normal powerpoint after being unplugged from that power-point; cable must be plugged into a different A/C power outlet for machine to boot, at which point it can be switched off again, moved back to the original dedicated outlet, and booted again. This has never failed to happen, and is mind-boggling.
I followed some instructions from a similar thread, but I felt that my experiences were sufficiently different that I couldn't troubleshoot from someone else's solution. I would greatly appreciate any technical advice and help that the community can offer.
Specs (Obtained Using EtreCheck) :
Hardware Information:
    iMac (21.5-inch, Late 2009)
    iMac - model: iMac10,1
    1 3.06 GHz Intel Core 2 Duo CPU: 2 cores
    4 GB RAM
Video Information:
    ATI Radeon HD 4670 - VRAM: 256 MB
System Software:
    OS X 10.9.2 (13C64) - Uptime: 0 days 1:3:20
Disk Information:
    Hitachi HDE721010SLA330 disk0 : (1 TB)
        EFI (disk0s1) <not mounted>: 209.7 MB
        Macintosh HD (disk0s2) / [Startup]: 999.35 GB (114.68 GB free)
        Recovery HD (disk0s3) <not mounted>: 650 MB
    PIONEER DVD-RW DVRTS09
USB Information:
    Western Digital My Book 1130 2 TB
        VM (disk2s1) /Volumes/VM: 2 TB (757.31 GB free)
    Apple Inc. Built-in iSight
    Apple Internal Memory Card Reader
    Apple Computer, Inc. IR Receiver
    Apple Inc. BRCM2046 Hub
        Apple Inc. Bluetooth USB Host Controller
FireWire Information:
    WD My Book 111D 800mbit - 800mbit max
        disk1s1 (disk1s1) <not mounted>: 32 KB
        BigD (disk1s3) /Volumes/BigD: 2 TB (134.4 GB free)
Thunderbolt Information:
Configuration files:
    /etc/hosts - Count: 3
Kernel Extensions:
    org.virtualbox.kext.VBoxDrv    (4.2.14)
    org.virtualbox.kext.VBoxUSB    (4.2.14)
Startup Items:
    HP Trap Monitor: Path: /Library/StartupItems/HP Trap Monitor
    rEFItBlesser: Path: /Library/StartupItems/rEFItBlesser
    VirtualBox: Path: /Library/StartupItems/VirtualBox
Launch Daemons:
    [System]    com.adobe.fpsaud.plist 3rd-Party support link
    [System]    com.github.GitHub.GHInstallCLI.plist 3rd-Party support link
    [System]    com.google.keystone.daemon.plist 3rd-Party support link
    [System]    com.oracle.java.Helper-Tool.plist 3rd-Party support link
    [System]    com.ubuntu.one.fsevents.plist 3rd-Party support link
    [System]    org.freedesktop.dbus-system.plist 3rd-Party support link
    [System]    org.macosforge.xquartz.privileged_startx.plist 3rd-Party support link
    [System]    org.macports.rsyncd.plist 3rd-Party support link
Launch Agents:
    [System]    com.google.keystone.agent.plist 3rd-Party support link
    [System]    com.hp.help.tocgenerator.plist 3rd-Party support link
    [System]    com.oracle.java.Java-Updater.plist 3rd-Party support link
    [System]    com.wacom.pentablet.plist 3rd-Party support link
    [System]    org.freedesktop.dbus-session.plist 3rd-Party support link
    [System]    org.macosforge.xquartz.startx.plist 3rd-Party support link
User Launch Agents:
    [not loaded]    com.google.Chrome.framework.plist 3rd-Party support link
    [not loaded]    com.valvesoftware.steamclean.plist 3rd-Party support link
    [not loaded]    org.virtualbox.vboxwebsrv.plist 3rd-Party support link
User Login Items:
    Flux
    Quicksilver
    iTunesHelper
    Air Mouse Server
    Launch_IKCP
    usb16
    Music Manager
    SpeechSynthesisServer
    VMware Fusion Start Menu
    Android File Transfer Agent
Internet Plug-ins:
    FlashPlayer-10.6: Version: 12.0.0.70 - SDK 10.6 3rd-Party support link
    Default Browser: Version: 537 - SDK 10.9
    Flash Player: Version: 12.0.0.70 - SDK 10.6 3rd-Party support link
    QuickTime Plugin: Version: 7.7.3
    o1dbrowserplugin: Version: 5.1.5.17733 3rd-Party support link
    WacomNetscape: Version: 2.1.0-1 - SDK 10.8 3rd-Party support link
    npgtpo3dautoplugin: Version: 0.1.44.29 - SDK 10.5 3rd-Party support link
    googletalkbrowserplugin: Version: 5.1.5.17733 3rd-Party support link
    WacomTabletPlugin: Version: WacomTabletPlugin 2.1.0.2 3rd-Party support link
    JavaAppletPlugin: Version: Java 7 Update 51 3rd-Party support link
Audio Plug-ins:
    BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
    AirPlay: Version: 2.0 - SDK 10.9
    AppleAVBAudio: Version: 203.2 - SDK 10.9
    iSightAudio: Version: 7.7.3 - SDK 10.9
iTunes Plug-ins:
    Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
User Internet Plug-ins:
    RealPlayer Plugin: Version: Unknown
    Google Earth Web Plug-in: Version: 7.1 3rd-Party support link
3rd Party Preference Panes:
    Flash Player 3rd-Party support link
    Java 3rd-Party support link
    MusicManager 3rd-Party support link
    TeXDistPrefPane 3rd-Party support link
    PenTablet 3rd-Party support link
    DWXBoxHIDPrefsPane 3rd-Party support link
Old Applications:
    None
Time Machine:
    Skip System Files: NO
    Auto backup: YES
    Volumes being backed up:
        Macintosh HD: Disk size: 930.71 GB Disk used: 823.91 GB
    Destinations:
        BigD [Local] (Last used)
        Total size: 2
        Total number of backups: 89
        Oldest backup: 2013-02-19 05:21:21 +0000
        Last backup: 2014-02-27 02:52:20 +0000
        Size of backup disk: Too small
            Backup size 2 < (Disk used 823.91 GB X 3)
    Time Machine details may not be accurate.
    All volumes being backed up may not be listed.
Top Processes by CPU:
        47%    firefox
         3%    WindowServer
         1%    EtreCheck
         0%    com.ubuntu.one.fsevents
         0%    mds
Top Processes by Memory:
    489 MB    firefox
    147 MB    com.apple.IconServicesAgent
    66 MB    Dock
    53 MB    WindowServer
    41 MB    Finder
Virtual Memory Information:
    1.72 GB    Free RAM
    1.42 GB    Active RAM
    335 MB    Inactive RAM
    535 MB    Wired RAM
    683 MB    Page-ins
    564 KB    Page-outs
Results of Linc Davis's diagnostic test from the similar thread:
Boot Mode: Normal
System diagnostics:
   com.ubuntu.one.fsevents 2014-02-25-210509 crash
   com.ubuntu.one.fsevents 2014-02-25-210520 crash
   com.ubuntu.one.fsevents 2014-02-25-210531 crash
   com.ubuntu.one.fsevents 2014-02-25-210541 crash
   com.ubuntu.one.fsevents 2014-02-25-210553 crash
   com.ubuntu.one.fsevents 2014-02-25-210603 crash
   com.ubuntu.one.fsevents 2014-02-25-210618 crash
   com.ubuntu.one.fsevents 2014-02-25-210640-1 crash
   com.ubuntu.one.fsevents 2014-02-25-210640 crash
   diskarbitrationd,HPIO Trap Monitor,mds 2014-02-07-223647 shutdownStall
Kernel messages:
   Feb 23 20:52:38   Previous Shutdown Cause: -128
   Feb 23 21:06:01   PM notification timeout (pid 364, MusicManagerHelp)
   Feb 23 21:44:13   Sound assertion - 1002:aa30 FIFO error (Stream 0)
   Feb 23 21:57:33   PM notification timeout (pid 364, MusicManagerHelp)
   Feb 26 20:29:58   Previous Shutdown Cause: -128
   Feb 26 20:44:56   PM notification timeout (pid 436, MusicManagerHelp)
Loaded extrinsic kernel extensions:
   org.virtualbox.kext.VBoxDrv (4.2.14)
   org.virtualbox.kext.VBoxUSB (4.2.14)
Extrinsic system jobs:
   org.macosforge.xquartz.privileged_startx
   com.ubuntu.one.fsevents
   com.oracle.java.Helper-Tool
   com.google.keystone.daemon
   com.github.GitHub.GHInstallCLI
   com.adobe.fpsaud
Extrinsic agents:
   org.macosforge.xquartz.startx
   com.wacom.pentablet
   com.oracle.java.Java-Updater
   com.hp.help.tocgenerator
   com.google.keystone.system.agent
   com.valvesoftware.steamclean
   com.google.Chrome.framework.service_process/Users/XXXXX/Library/Application_Sup port/Google/Chrome
/Library/LaunchAgents:
   /Library/LaunchAgents/com.google.keystone.agent.plist
   /Library/LaunchAgents/com.hp.help.tocgenerator.plist
   /Library/LaunchAgents/com.wacom.pentablet.plist
   /Library/LaunchAgents/org.macosforge.xquartz.startx.plist
/Library/LaunchDaemons:
   /Library/LaunchDaemons/com.adobe.fpsaud.plist
   /Library/LaunchDaemons/com.github.GitHub.GHInstallCLI.plist
   /Library/LaunchDaemons/com.google.keystone.daemon.plist
   /Library/LaunchDaemons/com.ubuntu.one.fsevents.plist
   /Library/LaunchDaemons/org.macosforge.xquartz.privileged_startx.plist
/Library/PrivilegedHelperTools:
   /Library/PrivilegedHelperTools/com.github.GitHub.GHInstallCLI
   /Library/PrivilegedHelperTools/com.ubuntu.one.fsevents
/Library/StartupItems:
   /Library/StartupItems/HP Trap Monitor/HP Trap Monitor
   /Library/StartupItems/HP Trap Monitor/Resources/English.lproj/Localizable.strings
   /Library/StartupItems/HP Trap Monitor/StartupParameters.plist
   /Library/StartupItems/rEFItBlesser/rEFItBlesser
   /Library/StartupItems/VirtualBox/Resources/English.lproj/Localizable.strings
   /Library/StartupItems/VirtualBox/VirtualBox
Library/LaunchAgents:
   Library/LaunchAgents/com.apple.FolderActions.enabled.plist
   Library/LaunchAgents/com.apple.FolderActions.folders.plist
   Library/LaunchAgents/com.google.Chrome.framework.plist
   Library/LaunchAgents/com.valvesoftware.steamclean.plist
   Library/LaunchAgents/org.virtualbox.vboxwebsrv.plist
Extrinsic loadable bundles:
   /System/Library/Extensions/DWXboxHIDDriver.kext
       (org.walisser.driver.DWXBoxHIDDriver)
   /System/Library/Extensions/Pen Tablet.kext
       (com.wacom.kext.pentablet)
   /System/Library/Extensions/TabletDriverCFPlugin.bundle
       (No bundle ID)
   /Library/Audio/MIDI Drivers/EmagicUSBMIDIDriver.plugin
       (info.emagic.driver.unitor)
   /Library/Extensions/VBoxDrv.kext
       (org.virtualbox.kext.VBoxDrv)
   /Library/Extensions/VBoxNetAdp.kext
       (org.virtualbox.kext.VBoxNetAdp)
   /Library/Extensions/VBoxNetFlt.kext
       (org.virtualbox.kext.VBoxNetFlt)
   /Library/Extensions/VBoxUSB.kext
       (org.virtualbox.kext.VBoxUSB)
   /Library/Internet Plug-Ins/Flash Player.plugin
       (com.macromedia.Flash Player.plugin)
   /Library/Internet Plug-Ins/googletalkbrowserplugin.plugin
       (com.google.googletalkbrowserplugin)
   /Library/Internet Plug-Ins/JavaAppletPlugin.plugin
       (com.oracle.java.JavaAppletPlugin)
   /Library/Internet Plug-Ins/npgtpo3dautoplugin.plugin
       (com.google.o3d)
   /Library/Internet Plug-Ins/o1dbrowserplugin.plugin
       (com.google.o1dbrowserplugin)
   /Library/Internet Plug-Ins/WacomNetscape.plugin
       (com.wacom.tabletplugin)
   /Library/Internet Plug-Ins/WacomTabletPlugin.plugin
       (com.WacomTabletPluginLib.WacomTabletPlugin)
   /Library/PreferencePanes/Flash Player.prefPane
       (com.adobe.flashplayerpreferences)
   /Library/PreferencePanes/JavaControlPanel.prefPane
       (com.oracle.java.JavaControlPanel)
   /Library/PreferencePanes/PenTablet.prefPane
       (com.wacom.PenTabletSettingsPrefPane)
   /Library/PreferencePanes/TeXDistPrefPane.prefPane
       (comp.text.tex.distribution.preference)
   /Library/PreferencePanes/XboxHIDPrefsPane.prefPane
       (org.walisser.XBoxHIDDriver)
   /Library/QuickTime/FLV.component
       (com.macromedia.FLVExporter)
   Library/Address Book Plug-Ins/SkypeABDialer.bundle
       (com.skype.skypeabdialer)
   Library/Address Book Plug-Ins/SkypeABSMS.bundle
       (com.skype.skypeabsms)
   Library/Internet Plug-Ins/doubleTwistWebPlugin.bundle
       (com.doubleTwist.webPlugin)
   Library/Internet Plug-Ins/Google Earth Web Plug-in.plugin
       (com.Google.GoogleEarthPlugin.plugin)
    Library/Mail/V2/[email protected]/Sent Messages (XXXXXX).mbox/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX/Data/X/X/Attachments/XXXXX/X /XXXXXXXXXXXXX.pages
       (No bundle ID)
    Library/Mail/V2/[email protected]/Sent Messages (XXXXXX).mbox/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX/Data/X/X/Attachments/XXXXX/X /XXXXXXXXXXXXXX.pages
       (No bundle ID)
    Library/Mail/V2/[email protected]/Sent Messages (XXXXXX).mbox/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX/Data/X/X/Attachments/XXXXX/X .X/XXXXXXXXXXXXXX.pages
       (No bundle ID)
    Library/Mail/V2/[email protected]/Sent Messages (XXXXXX).mbox/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX/Data/X/X/Attachments/XXXXX/X /XXXXXXXXXXXXX.pages
       (No bundle ID)
    Library/Mail/V2/[email protected]/Sent Messages (XXXXXX).mbox/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX/Data/X/X/Attachments/XXXXX/X .X/iReceiver.app
       (com.yourcompany.iReceiver)
   Library/PreferencePanes/MusicManager.prefPane
       (com.google.musicmanager.pref)
   Library/Services/Attach to Email.workflow
       (No bundle ID)
Unsigned shared libraries:
   /usr/lib/libgcc_s.10.5.dylib
hosts:
   205.228.34.175     uat.rvionline.com
   205.228.34.176    www.rvionline.com
   127.0.0.1         *********.blogspot.com
Global login items:
   /Applications/Epson Software/Epson Low Ink Reminder.app/Contents/EpsonLowInkReminderAgent.app
Font problems: 8
Bad plists:
   Library/Preferences/com.apple.iphotomosaic.plist
Keychains files: 10
Elapsed time (s): 273

6Kam. wrote:
1: If I hold down option key with my USB plugged in to see my hard drives so I can boot into Windows, boot camp is not there. It does not show up on my Start Up Disk in my Mac, either. Though, I do see it in Finder with nothing in it (I can put stuff into it).
This indicates that your Bootcamp partition is still FAT, which also indicates that the Windows Installer has not been used to reformat it to NTFS yet, as required by Windows Installer. No Windows installation exists yet.
2: If I don't hold down option key with my USB plugged in, it gives me a black screen saying "Non-system disk, press any key to reboot". My keyboard is unresponsive. I have to hard shut down my computer.
The NVRAM in the Mac (as set by Bootcamp Assistant) is telling it to boot from the built-in Optical drive. Is it fully functional and has Windows Installer media in it or broken? Since no drivers have been loaded, the Keyboard/Mouse which are BT/USB, will not function.
From iMac (21.5-inch, Late 2009) - Technical Specifications, it has a built-in Optical drive...
Optical drive
Slot-loading 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)
Writes DVD+R DL and DVD-R DL discs at up to 4x speed
Writes DVD-R and DVD+R discs at up to 8x speed
Writes DVD-RW discs at up to 6x speed and DVD+RW discs at up to 8x speed
Reads DVDs at up to 8x speed
Writes CD-R discs at up to 24x speed
Writes CD-RW discs at up to 16x speed
Reads CDs at up to 24x speed
3: If I don't hold down option key and it is without my USB plugged in, it gives me a black screen saying "No bootable device -- insert boot disk and press any key". My keyboard is, again, unresponsive. I have to hard shut down my computer.
No bootable media in Optical drive, hence this error.

Imac starts with a black screen and flashing white light on console

I have a 24" imac, it is white and it is from the first year they used the intel chip. When I power it up I get a black blank screen and then the white light on the lower right side of the console flashes on and off. I hear the disk drive spin (I put the 10.4 install disk in ) and it does nothing. How do I get the disk out. I even tried holding down the mouse button at start up and that doesn't work.
I tried to remedy this myself by resetting pram. I have taken out memory and put it back in. I have been able to get it running twice before by taking out memory and putting it back in but it only worked for a little while and then I turned it off and went to turn it back on and same problem again. Is this a logic board problem or something else. I think I read if it was the logic board the disk drive wouldn't work but I hear it spinning.
Can anyone help me?

Hi MacGruff69
That has all the classic signs of unseated, improperly seated or bad RAM.
Laying the iMac face down on a soft towel and reseat the module(s) by pressing real hard on each one with both thumbs, then closing the ejector clips and replacing the cover.
http://support.apple.com/kb/HT1432
Them if the iMac still has the same symptoms, try one module at a time or replace the module(s) with new one(s).
http://eshop.macsales.com/shop/apple/memory/iMac/IntelCore_2Duo
Dennis

IMac starts with sound but remains with Apple logo and the clock running indefinetely

After software upgrade ( from mavericks to new mavericks ) iMac doesn't start anymore. It remains always in the same mode: after the sound of start the Apple logo and the clock that runs indefinitely without the start of the software. Someone knows what to do?

Take each of these steps that you haven't already tried. Stop when the problem is resolved.
Step 1
The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.”
b. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
c. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use either of the techniques in Steps 1b and 1c to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If you use a wireless keyboard, trackpad, or mouse, replace or recharge the batteries. The battery level shown in the Bluetooth menu item may not be accurate.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a Fusion Drive or a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 10. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 10
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 11
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 12
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider.

IMac 27" i5 noisy fans?

Hello all
I just received a new 2.8 quad core imac, 27" in exchange for my faulty 24" 2.8ghz intel core 2 duo (not bad hey!?) from the applestore in Norwich. Its great although i feel the fans are noisy. Its constant loud whirring, like one of the fan blades is clipping on something. It doesnt sound like a HDD noise and its from the moment it turns on to the moment i turn it off, always constant, never differs.
I installed smc and get these readings -
OD - 1000rpm
HDD - 1099rpm
CPU - 939rpm
These, i think, are pretty normal. Any ideas? Tried an SMC reset and resetting the PRAM to no avail. It sounds like the fan is central, possibly to the left as when i push against the apple logo on the front of the imac it makes it louder.
Any ideas are great, thanks

I now believe it could be the HDD as when i put the computer to sleep and rest the HDD, it stops, and its a constant sound. It sounds similar to cicada bugs in the rainforest/jungle, like a constant high pitched whine. I used smc fan control to adjust the fan speeds and this didnt affect the noise at all, which makes me suspect the HDD.
I tried resetting the PRAM again last night and the noise went away. Great. I turned it on this morning and its back. So, the noise can go away, however it seems like it prefers to stay!
Any ideas?

24" iMac starts with a strange screen and freezes. HELP!

My iMac froze and I restarted it. Now when I start it got weirdturquoise stuff on each side of the screen. It does show the apple logoand the loading thingy but after that they disappear it freezes againand nothing happens.
Also tried booting from DVD and this is what happens
I have no idea whats going on.. Could it be the video card?
Any idea?
Many thanks in advance.
ps. I got the last white 24" iMac (early 2007) also got a Wacom Cintiq attached into it.

Your machine is suffering from a Kernel Panic. Many KP's are RAM related however they can also be caused by software or other hardware therefore they can be tricky to track down. RAM issues can be:
1. Incorrect RAM, have you recently upgraded?
2. Failed RAM, yes RAM can and does fail
3. RAM that isn't well seated.
All of the above take some methodical testing but are simple to track down. I would strongly recommend you begin studying:
Kernel Panics, Mac OS X 10.6 Help: If “You need to restart your computer” appears, Tutorial: Avoiding and eliminating Kernel panics. If you cannot figure it out you need to take the machine into an AASP or Apple Store immediately. If you can get the machine to boot navigate to:
/Library/Logs/DiagnosticReports locate the latest KP and post the complete crash log on these forums and we may be able to assist you.

IMac starts with full sound despite changing it in properties

I've had this problem with my iMac every since 10.7.2 update. It doesn't matter how many times I change the volume in system properties or using the volume keys on the keyboard, or using Shift Option etc, when I next boot up, the audio is on full.
It's really annoying! Can anyone give me some way to change this - I'm assuming it's something in the startup that does this.

Thanks RRFS. The problem is with general sound NOT startup sound. That irritating BONG however, (essential though I know it is) is louder because the general audio resets itself to top volume each time the system is shutdown. On my MBP's it's very quiet because I rarely have the sound above 3 bricks.
Re leaving it up all the time? Not a great recommendation - all personal computers should be rebooted about once a week depending upon usage, it clears out cache's and refreshes the computer. Plus, I only use my iMac a few hours a week - 4-5 at most, so it saves the power bill.

Do all iMacs start with noisy fans?

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