How to trouble shoot my HP TouchSmart IQ526

I have a HP TouchSmart IQ526 with Windows 7. Upon powering on the computer it gets stuck on the HP logo screen. After a while i hear a beep from the computer, but it is still on the logo screen. What trouble shooting steps should I do to figure out what the problem is? What do i need to replace?

Hi:
Below is the link to the manuals section for your server:
http://h20566.www2.hp.com/portal/site/hpsc/public/psi/manualsResults/?sp4ts.oid=1121516

Similar Messages

I'm getting error messages when I download updates for lightroom and flash for the mac. can't figure out how to trouble shoot.

I'm getting error messages when I download updates for lightroom and flash for the mac. can't figure out how to trouble shoot.

It sounds as if your browser and some of your apps are not color-managed. This is pretty typical. Even IE9 is only partially color-managed.
You can expect color-managed and non-color-managed applications to show you different things with the same images. How different will depend upon how different your monitor color profile is from the image's color profile.
For web publication and most general use, experts usually advise saving images with the sRGB profile. If such images, saved through the Save for Web & Devices function, look different to you than you expect, it may be that your input images have previously been saved in another color space.
You should really try to get your head around color-management by reading more on it. It can seem baffling and it's difficult to understand without some background. A quick web search turns up many overviews. Beware, though, even people writing articles sometimes don't fully understand it.
-Noel

XCode server bot is not sending email - how to trouble shoot?

We have other bot's running on different servers and we get the email notifications as anyone would expect.
However, on this one MacMini xCode server we are not getting any email notifications. I've done some basic searches in the logs, but I really am stuck in just trying to figure out how to even trouble shoot it.
Suggestions?

Hi:
Below is the link to the manuals section for your server:
http://h20566.www2.hp.com/portal/site/hpsc/public/psi/manualsResults/?sp4ts.oid=1121516

How to trouble shoot curious charger behavior

Having a power cord charging issue.
1.67 GHz PB G4 15" about 8 years old.
The origional power cord died long ago with a pop and smell of smoke.
I replaced the cord with a powerbook medic brand power adapter that has worked
with out flaw for 6 years.
The curious behavior is that when plugged into the port the PB will sometimes stop taking a charge.
Giggle the cord at the port and it will some times return. When the PB stops charging green light on adapter stays green.
How do I determine if it is the charger or the port in the computer that is faulty?

The other weak link is the barrel-shaped power jack within the Powerbook:
(this image from microdocusa.com is of a G3 Powerbook connector but is similar to the G4's)
With age and stress, the solder joints that hold the thin "legs" to the logic board can loosen and cause intermittent charging failures. If you are handy with ripping apart a PowerBook and resoldering tiny parts, that's usually the sure cure, but not one for the faint of heart.
One person I know simply inserted tiny plastic shims between his loose connector and the logic board to wedge the connector back into constant contact. Decided a low-tech approach, but it greatly extended the life of his PowerBook.

How to trouble shoot turning on Wi-Fi

How do I turn Wi-Fi on

I have a Macbook Pro 13 inch w/Retina and am having the same problem after I was messing around with the Network Configuration:
Model Name:
Model Name: MacBook Pro
Model Identifier: MacBookPro10,2
Processor Name: Intel Core i7
Processor Speed: 3 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache (per Core): 256 KB
L3 Cache: 4 MB
Memory: 8 GB
Boot ROM Version: MBP102.0106.B03
SMC Version (system): 2.6f59
Software OS X 10.9.4 (13E28)
Now I can't turn it on!!!!
N
Hardware Ove
Model Na
Hardware Overview:

Scanner Wont Work....And I cant figure out how to trouble shoot

I have been using this printer-copier-fax-scan-web for over 2 years. No issues whatsoever. I installed the info on it when I first bought it and no problems installing.
The printer is wireless.
Today was the first time it would not scan. I tried to troubleshoot by checking if I had connectivity. I did. So the only thing I can figure out is that it has to be the lack of an OCR application.
What is OCR and where do I find those settings? I have looked everywhere.
I touch Icons to scan:
1) Scan
2)to computer
3) Jacquie's computer
4)Save as a PDF
5)start Scan
The error message I keep getting on my computer monitor is: An error occurred while scanning
On the printer: it says the scan was unsuccessful because of
1) Connection to the computer is lost
2) The scan application on the computer is currently in use
3) OCR application is not installed on the computer
Since I know the first 2 arent the problem. I figure it is the OCR------which I havent figured out what that is.
I have been scanning to a USB device and then uploading up to my computer to work around but it is driving me nuts.
Any help would be awesome. Thank you.

Hello @crandongal,
Welcome to the HP Support Forums!
I understand that you're experiencing a scan issue when attempting to scan from your wireless HP Officejet Pro 8600 Plus e-All-in-One Printer to your computer. I would like to assist you today with resolving this issue.
The OCR software that the printer is referring to is the HP Scan software. OCR is specific to PDF scans. Therefore, to ensure that the HP Software is functioning on your computer can I please have you click here to download and run the HP Print and Scan Doctor Tool. Once the website opens select the Download button on the top left. Once the download is complete please allow the Tool to Run. When prompted select the 'fix scanning' option. The HP Print and Scan Doctor Tool will run on your computer and look for any driver, software, or connectivity conflicts. If any conflicts are found than the HP Print and Scan Doctor Tool will attempt to resolve those conflicts for you.
Once the Tool has completed please test scanning again.
If the scanning issue persists, can you please include your Operating System in your next post so I can provide accurate step-by-step troubleshooting to assist you with resolving this issue.
Please respond to this post with the result of running the HP Print and Scan Doctor. If any errors pop up during the 'fix scanning' process, or anything fails, please let me know. I look forward to hearing from you!
X-23
I work on behalf of HP
Please click "Accept as Solution" if you feel my post solved your issue, it will help others find the solution.
Click the "Kudos, Thumbs Up" on the right to say "Thanks" for helping!

HT1751 Consolidating files failed. The file name was invalid or too long. How to trouble shoot this?

I am trying to move my iTunes library from old XP PC to Windows 7 PC, using an external hard drive. Using tutorial and signed in as administrator. Trying to consolidate my library and receive error message " Copying files fail. The file name was invalid or too long". Don't know what to do as next step. The library is sitting on the hard drive under the Administrator ID (My Documents\My Music\iTunes\iTunes Music).
Any thoughts?

You can select a group of tracks and consolidate from the right-click context menu. You coud try consolidating in batches, say all songs by artists beginning with A, then B, etc, then the other media types, until you can isolate a problem track and then try moving that by hand and fixing the broken link.
I also have two scripts that could help you, Unconsolidated and ConsolidateByMoving. The first can make a playlist of all unconsolidated tracks, the second can consolidate a selection of tracks by moving them instead of copying.
tt2

TS1702 Does anyone know what this means and how to trouble shoot it? "This update is not available for this Apple ID either because it was bought by a different user or the item was refunded or cancelled."

I am unable to update any apps on my computer due to this--thoughts?

All apps, and any other content, that is downloaded from the store are tied to the account that downloaded them. Were those apps bought by a different iTunes account, or bought by the account that you are currently logged in with but you have been refunded for their purchases ? If neither of the above then try logging out of your account on your computer's iTunes via the Store > Sign Out menu option, close and re-open iTunes, sign back into your account and retry and see if it then works.

[Install Agent on DMZ] How to trouble shooting AMAgentNotRespondingOnDMZHost exception

We have a hyper-v server in DMZ and trying to add it into VMM 2012 R2 for management followed by http://technet.microsoft.com/en-us/library/gg610642.aspx
As the 443 port has been used ,we changed the port to 5985,5986 and also update port on VMM Server.
I have tried several times, but keep failure when add the server in DMZ into VMM.
I enabled debug logging of VMM and get following exception from server
at Microsoft.VirtualManager.Engine.TaskRepository.Task`1.SubtaskRun(Object state) ***
Carmine error was: AMAgentNotRespondingOnDMZHost (426) *** test.mydomain.local **
[s#370cc] Task`1.SubtaskRun(this: (Task`1#2b), TaskID: (guid) 101a000e-3869-436a-9e20-eec5f1cd5b55) in Task.cs:line 252 Full call stack from when the exception was thrown: at System.Environment.GetStackTrace(Exception e, Boolean
needFileInfo) at ystem.Environment.get_StackTrace() at Microsoft.VirtualManager.Utils.CarmineException..ctor(ErrorInfo error, Exception innerException) at Microsoft.VirtualManager.Engine.Adhc.AddAgentTask.ThrowCarmineException(ErrorInfo
error, Exception innerException) at Microsoft.VirtualManager.Engine.Adhc.AddAgentTask.CheckIfInstallRequired() at icrosoft.VirtualManager.Engine.Adhc.AddAgentTask.InstallAgentIfNeeded() at icrosoft.VirtualManager.Engine.Adhc.AddHostAgentSubtask.SubtaskThreadFunction()
at icrosoft.VirtualManager.Engine.Adhc.AddAgentTask.RunSubtask() at icrosoft.VirtualManager.Engine.TaskRepository.SubtaskBase.Run() at icrosoft.VirtualManager.Engine.Adhc.AddHostSubtask.InstallAgent(Host lockedDbHost)
at icrosoft.VirtualManager.Engine.Adhc.AddHyperVHostSubtask.RunDeploymentSubtasks(Host lockedDbHost) at icrosoft.VirtualManager.Engine.Adhc.AddHostSubtask.RunSubtask() at icrosoft.VirtualManager.Engine.TaskRepository.SubtaskBase.Run()
at icrosoft.VirtualManager.Engine.TaskRepository.Task`1.SubtaskRun(Object state) at ystem.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at ystem.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
at ystem.Threading.ThreadPoolWorkQueue.Dispatch(),{101a000e-3869-436a-9e20-eec5f1cd5b55}
I aware the issue may relate to many problems, include firewall, security... etc.
I was wandering if there is an best practice to troubleshooting the problem.
Thanks.

Hello, would be any one experienced VMM Agent installation on DMZ?

How to trouble shoot my HP 380 G5 server

my HP 380 G5 server is not booting please i need manual for it. the manual should be sent to this e-mail [email protected]

Hi:
Below is the link to the manuals section for your server:
http://h20566.www2.hp.com/portal/site/hpsc/public/psi/manualsResults/?sp4ts.oid=1121516

How to trouble shoot specific user problem

I have a user who cannot change the qty field from the shopping cart. After making a qty change then refresh whatever qty was there remains. He can however chg the qty from the catalog before adding it to the sc.
I have compared user attributes, roles and profiles. Is there anywhere else I should check?
This also happens if I do a shop on behalf for his particular id.
Any help is appreciated.

Hi Jolee,
Please do not open more than one thread for the same issue.
Kind regards,
Yann

TS4009 A message "iCloud backup" popped up on the screen, and the iPad freeze, how to trouble shoot.

A message "iCloud backup" appeared on the screen, and I could not run applications anymore on my iPad. Please help.

Just sorted this problem - hold down Sleep and Home buttons until apple sign appears - after about 15 secs. Thereafter use a normal and iPad unfreezes. I backed up on iCloud afrer "recovery". Good luck.

Trouble shooting the export function

I am a new user to CS4 Premiere 4.1.0 as part of my master suite program bought 2 weeks ago. I can't find any trouble shooting help or explanation of error messages in the program's help section; I have tried most of the trouble shooting steps (other than reinstalling the entire suite) from the knowledge base on the Adobe site without any success; and finally would like someone on this forum to rescue my newly installed Premiere from disaster. Here is my problem:
---- when exporting utilizing the media encoder; after exporting and clicking on the encoder to start , the program would come back with the following error message " PProheadless has encountered an error. [..\..\Src\Remote Import Module. Cpp-250]". I can't find any reference to this error code and how to fix it on the Adobe website. I have tried to fix it for days now without any results. Without being able to fix this my programs are useless to me.
Not finding any reference on the Adobe manual to the error code or how to trouble shoot the program is really demoralizing and disappointing to me. You can see PProHeadless as a program on the computer's hard drive but you won't find any reference to this program throughout the Adobe website.
For reference my hardware specs. are: i7 920 CPU, 6 G DDR3, Asus P6T professional work station main board, 160 G SSD SATA C-Drive, 1 tera byte SATA D and E drives, the GPU is nvidia GTX 285 with 1 GB ram, 1000 Watt power supply in a mini tower, plus Sony Blue ray, OS is Vista 64 premium. The computer is dedicated to editing video. All programs are loaded on C; the D drive is used as working space and virtual ram. E drive is for storage. The only other program running is Avast anti-virus program. The file exporting problem stays even when Avast is uninstalled. All the devise drivers are Vista 64 compatible. The computer is brand new; dedicated to Premiere - not even Microsoft word is loaded.
In addition to the above exporting problem, every time I switch between loaded programs such as between Premiere and Firefox, the cursor would stay in the "wait" mode, i.e. in a spinning circle, for about a minute before turning into an arrow in Premiere. It almost feels like Premiere has to reload the ram all over again; this is really annoying and time wasting.
If I have known of these issues, I would have bought a Mac Pro with Mac software in the first place.
I would really appreciate some help from friends and experts on this forum. Thank you.

Do you have a dynamic or fixed dimension table?
Looks like you have a fixed dimension table here...
Using -> [*] is to specify each instances of that object inside the subform specified... Here if you have more than one PSI into Row5 it would work... But as I understand you have to write only Avg(Row3.PSI, Row4.PSI, Row4.PSI)
If you have a dynamic table and your row is only named Row1... each instances of the row would be Row1[0], Row1[1], Row1[2]
So in your Average function you would only write :
Avg(Row1[*].PSI) and it would return the average of each rows

I had a 1 TB Drive that was connected as a back up, but it is no longer recognized by the mac. How may I trouble shoot to reconnect?

how do I trouble shoot this?

emanwine wrote:
Got it to connect and it is my back up. ...
Good News.
If this is your only Backup would suggest getting a New EHD and creating another one... Preferably a Clone if you don't already have one.
http://www.bombich.com/
Can never have too many Backups...

Kisight: How do I get my iSight working ? Trouble Shooting an iSight Camera. (Version 3)

Replacement for the second draft of this Thread   (To be removed if Published as Tip)
kisight: How do I get my iSight working ?
Trouble Shooting an iSight Camera. (Version 3)
Hi,     On many subjects Apple has Articles and Documents that can help.
In some case they are written by an Engineer or similar and can miss the mark for the average user.
In other cases they are crafted, detailed responses to an issue that has popped up many times in the Apple Discussions and take the best from many responses in those User-to-User Discussions, creating something that can not be surpassed.
This is the case of the Apple Article HT2090 on Trouble Shooting an iSight.
It lists steps and processes to go through for both Internal iSights and External ones.
However as with most things it does sometime pay to reword things differently so that people grasp the points in language they understand.
The info here is a reworking itself of two pages at ralphjohns.co.uk/EZ Jim pages namely EZ JIm's page 2 Where can I Find Help With My iSight ? and his page 4, How Can I Test My iSight is Completely Functional ? which were written several years ago and predate the Apple Article, being aimed at the External iSight. They have been updated since to address the Internal iSight as well but some of the comments are useful between the two types.
External First. For Internal iSights Start at 2b) (you will need to adjust some options/steps as the Internal is USB)
Steps
1) Pre Purchase
If buying an External iSight you should if you an get to see it in action.Apple no longer sells the External iSight so you will be buying it second hand.If you cannot get to see the device plugged in and working on Mac then check the smaller print of the seller and selling site as to nature of Returns and Faulty Goods.
2) Does it work ?
a) First of all Plug it in. It should come with a suitable mount (although there are variants on this) and a 6 pin to 6 pin Firewire cable.
Ideally it should have it's own Firewire port/socket on your computer. Connecting it "DaisyChained" to other devices can be a problem as they do not all use Firewire at the same Data speed.
It will then go through some checks as the OS powers it up and checks it's firmware.
Do not be concerned that the little green indicator light atop your iSight illuminates for a few seconds and then goes dark when you first connect your iSight or power on your Mac. Do not be concerned if you hear a soft whir as iSight attempt to focus either. Both these occurrences are normal. If your iSight passes the following tests, do not worry about this sound or the status of the green light.
There is no ON switch as such. It does have an iris mechanism that can be controlled by the User. The iris should be turned so you can see the Lens for the iSight to send pictures to an application.
b) Pick an Application to see the picture the iSight produces.iChat is one application you can use. Photobooth is another. iMovie (Version 4 or above for external iSight -- Version 6 or above for in-built iSight) and Comic Book (if bundled on your Mac) are yet more.
See this Users Tip for more applications Or this page for yet more.
Photo Booth is probably the simplest as it has no Preferences to choose a camera in the original version and is done from the Menu items in later versions (nor is there any setting in the OS) and Photo Booth will default to the External Camera if one is plugged in before the application is started.     If you see your self or what the camera is pointing at, It Works !!
3) If it does Not Work
a) Check Cables/leads. Re-seat the cable at both ends. DO this carefully as although Firewire cables are keyed to fit the right way it has been known to force them the wrong way.
Try another 6 pin to 6 pin firewire cable.
b) Unplug the cable from any other FireWire device and give the iSight it's Own FireWire port/socket on the Mac (exclude issues with other FireWire devices). It is important that this be a port/socket on your computer and that you know that it works. Do not use a port in a FireWire hub or another FireWire device or a FireWire port in an Apple Display for testing. (Also see d below if you have an 800 FIreWIre Computer)
c) Check System Profiler (Apple Icon menu top Left > About this Mac. > More Info Button)Open the Reveal Triangles to see the list and go to Hardware > FireWire. (Use USB for Internal Cameras)
If it appears here try booting or Logging in as another user on the Mac (Create a Test account if you don't have one) and try item 2b) above again.
d) With FireWire 800 computers you may have to change your FireWire 400 to 800 Adaptor or Cable to get full Audio functionality with Lion Apps
If it is not in the System Profiler you are almost certainly going to need the Trouble Shooting Article from Apple at this point. This Article may also be of help (number HT1317 What to do if your computer won't recognise a FireWire or USB device).
If you have not resolved things at this stage it is going to be time for an Engineer with Apple credentials.There are no user serviceable parts inside any iSight.
Other Items
Audio.
The External Camera has two mics inside.The volume it records at or plays through for iChat is controlled in System Preferences > Sound > Input tab (select device) and this should be set to get the blue response bar to at least half way (preferably three quarters) when you talk.The same applies to any other Mic, even the Internal one on laptops and some other Macs.
Firmware.
The System Profiler as detailed above should tell you the Firmware the iSight has. The current version is 1.0.3 and was updated in Panther. (Essentially it is an Audio compatibility update but does seem to help in other situations)
If your computer is running Panther (10.2.x) then use this Updater
If running Tiger (10.4.x) or Leopard (10.5.x) then navigate manually to your Hard Drive/System/Library/Core Services/iSight Updater and run the updater found there.
If an iSight is Plugged in on the Computer when you do an OS update and the firmware needs updating on the iSight this app is supposed to be triggered but it seem it may need a hand at times.
Focusing on the External iSight
Essentially the External iSight is self or Autofocusing.
If in doubt then try better lighting and strong colours as opposes to light or pastels.
(All built-in iSights are fixed focus. Therefore, unless a built-in iSight lens cover is dirty or smudged, any built-in iSight whose image is blurry needs service by an Engineer with Apple credentials.)
EZ Jim has these more specific recommendations for piece of mind.
Make a cross whose lines are about one-half inch or more wide on a plain background to use as a focus target. (I have even used black electrical tape.)
Turn on plenty of light and hold the target very still at about two or three feet from the lens. Watch iSight focus. (You may need to use a tripod or brace yourself to hold the target still enough.)
Then quickly move the target and hold it very still at about one foot away from the lens. Watch iSight focus.
Finally, move in to about six inches from iSight, and check focus there, too. (Holding the target still is more important as you get closer to iSight.)
This Users Tip by Ian Bickerstaff can give you clues for any application really "Look and sound good in iChat"
Other Info and Links
iSight Support info at Apple Links to Users Guide, Manual and many other topics on the External iSight.
Apple's iSight Firewire Connectivity FAQs
Apple's iSight Service FAQs
If you feel you have not understood or think you have not grasped something here or in the links so far try the iSight Discussion Forum
1:13 PM      Saturday; October 8, 2011
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb( 10.6.8)
 Mac OS X (10.6.8),
"Limit the Logs to the Bits above Binary Images."  No, Seriously

Replacement for the second draft of this Thread   (To be removed if Published as Tip)
kisight: How do I get my iSight working ?
Trouble Shooting an iSight Camera. (Version 3)
Hi,     On many subjects Apple has Articles and Documents that can help.
In some case they are written by an Engineer or similar and can miss the mark for the average user.
In other cases they are crafted, detailed responses to an issue that has popped up many times in the Apple Discussions and take the best from many responses in those User-to-User Discussions, creating something that can not be surpassed.
This is the case of the Apple Article HT2090 on Trouble Shooting an iSight.
It lists steps and processes to go through for both Internal iSights and External ones.
However as with most things it does sometime pay to reword things differently so that people grasp the points in language they understand.
The info here is a reworking itself of two pages at ralphjohns.co.uk/EZ Jim pages namely EZ JIm's page 2 Where can I Find Help With My iSight ? and his page 4, How Can I Test My iSight is Completely Functional ? which were written several years ago and predate the Apple Article, being aimed at the External iSight. They have been updated since to address the Internal iSight as well but some of the comments are useful between the two types.
External First. For Internal iSights Start at 2b) (you will need to adjust some options/steps as the Internal is USB)
Steps
1) Pre Purchase
If buying an External iSight you should if you an get to see it in action.Apple no longer sells the External iSight so you will be buying it second hand.If you cannot get to see the device plugged in and working on Mac then check the smaller print of the seller and selling site as to nature of Returns and Faulty Goods.
2) Does it work ?
a) First of all Plug it in. It should come with a suitable mount (although there are variants on this) and a 6 pin to 6 pin Firewire cable.
Ideally it should have it's own Firewire port/socket on your computer. Connecting it "DaisyChained" to other devices can be a problem as they do not all use Firewire at the same Data speed.
It will then go through some checks as the OS powers it up and checks it's firmware.
Do not be concerned that the little green indicator light atop your iSight illuminates for a few seconds and then goes dark when you first connect your iSight or power on your Mac. Do not be concerned if you hear a soft whir as iSight attempt to focus either. Both these occurrences are normal. If your iSight passes the following tests, do not worry about this sound or the status of the green light.
There is no ON switch as such. It does have an iris mechanism that can be controlled by the User. The iris should be turned so you can see the Lens for the iSight to send pictures to an application.
b) Pick an Application to see the picture the iSight produces.iChat is one application you can use. Photobooth is another. iMovie (Version 4 or above for external iSight -- Version 6 or above for in-built iSight) and Comic Book (if bundled on your Mac) are yet more.
See this Users Tip for more applications Or this page for yet more.
Photo Booth is probably the simplest as it has no Preferences to choose a camera in the original version and is done from the Menu items in later versions (nor is there any setting in the OS) and Photo Booth will default to the External Camera if one is plugged in before the application is started.     If you see your self or what the camera is pointing at, It Works !!
3) If it does Not Work
a) Check Cables/leads. Re-seat the cable at both ends. DO this carefully as although Firewire cables are keyed to fit the right way it has been known to force them the wrong way.
Try another 6 pin to 6 pin firewire cable.
b) Unplug the cable from any other FireWire device and give the iSight it's Own FireWire port/socket on the Mac (exclude issues with other FireWire devices). It is important that this be a port/socket on your computer and that you know that it works. Do not use a port in a FireWire hub or another FireWire device or a FireWire port in an Apple Display for testing. (Also see d below if you have an 800 FIreWIre Computer)
c) Check System Profiler (Apple Icon menu top Left > About this Mac. > More Info Button)Open the Reveal Triangles to see the list and go to Hardware > FireWire. (Use USB for Internal Cameras)
If it appears here try booting or Logging in as another user on the Mac (Create a Test account if you don't have one) and try item 2b) above again.
d) With FireWire 800 computers you may have to change your FireWire 400 to 800 Adaptor or Cable to get full Audio functionality with Lion Apps
If it is not in the System Profiler you are almost certainly going to need the Trouble Shooting Article from Apple at this point. This Article may also be of help (number HT1317 What to do if your computer won't recognise a FireWire or USB device).
If you have not resolved things at this stage it is going to be time for an Engineer with Apple credentials.There are no user serviceable parts inside any iSight.
Other Items
Audio.
The External Camera has two mics inside.The volume it records at or plays through for iChat is controlled in System Preferences > Sound > Input tab (select device) and this should be set to get the blue response bar to at least half way (preferably three quarters) when you talk.The same applies to any other Mic, even the Internal one on laptops and some other Macs.
Firmware.
The System Profiler as detailed above should tell you the Firmware the iSight has. The current version is 1.0.3 and was updated in Panther. (Essentially it is an Audio compatibility update but does seem to help in other situations)
If your computer is running Panther (10.2.x) then use this Updater
If running Tiger (10.4.x) or Leopard (10.5.x) then navigate manually to your Hard Drive/System/Library/Core Services/iSight Updater and run the updater found there.
If an iSight is Plugged in on the Computer when you do an OS update and the firmware needs updating on the iSight this app is supposed to be triggered but it seem it may need a hand at times.
Focusing on the External iSight
Essentially the External iSight is self or Autofocusing.
If in doubt then try better lighting and strong colours as opposes to light or pastels.
(All built-in iSights are fixed focus. Therefore, unless a built-in iSight lens cover is dirty or smudged, any built-in iSight whose image is blurry needs service by an Engineer with Apple credentials.)
EZ Jim has these more specific recommendations for piece of mind.
Make a cross whose lines are about one-half inch or more wide on a plain background to use as a focus target. (I have even used black electrical tape.)
Turn on plenty of light and hold the target very still at about two or three feet from the lens. Watch iSight focus. (You may need to use a tripod or brace yourself to hold the target still enough.)
Then quickly move the target and hold it very still at about one foot away from the lens. Watch iSight focus.
Finally, move in to about six inches from iSight, and check focus there, too. (Holding the target still is more important as you get closer to iSight.)
This Users Tip by Ian Bickerstaff can give you clues for any application really "Look and sound good in iChat"
Other Info and Links
iSight Support info at Apple Links to Users Guide, Manual and many other topics on the External iSight.
Apple's iSight Firewire Connectivity FAQs
Apple's iSight Service FAQs
If you feel you have not understood or think you have not grasped something here or in the links so far try the iSight Discussion Forum
1:13 PM      Saturday; October 8, 2011
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb( 10.6.8)
 Mac OS X (10.6.8),
"Limit the Logs to the Bits above Binary Images."  No, Seriously

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