Question about Toshiba Satellite C655D-S5120 Notebook

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My Toshiba Satellite c655d web cam says locked by another program, how do I fix it?

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Mophat

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Check the anti virus or your windows firewall,if they are not the cause,uninstall suspicious pro
grams...

Posted on Nov 21, 2013

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5 Related Answers

jgwhomeequip

Jeremy Reddick

  • 1902 Answers

SOURCE: reinstall camera assistant software

http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/modelContent.jsp?ct=DL&os=&category=&moid=2199091&rpn=PSLB8U&modelFilter=L305-S5905&selCategory=3&selFamily=1073768663&selModel=2199091|PSLB8U

All you need to do now is choose your operating system and then download the web camera driver. If this helps please rate. Thank you

Posted on Feb 12, 2009

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SOURCE: toshiba satellite pro c650,Built in

A couple of things to try.
1) Go into your BIOS and ensure that the webcam isn't somehow turned off in the BIOS. 2) Go into Device Manager in Windows, find the webcam. Right click on it and remove it. Then reboot the computer and let Windows find it, and reinstall the drivers again.
3) You may also want to reinstall the Toshiba specific drivers and software which likely includes drivers for the webcam. You may have a CD that came with the laptop, otherwise you can go to
http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/modelContent.jsp?ct=SB&os=&category=&moid=2769587&rpn=PSC13U&modelFilter=C650-Z2510T&selCategory=2756709&selFamily=1073768667
and reinstall the webcam application for your laptop.
Hope this helps!!

Posted on Jun 20, 2011

Margaret Glanville

  • 1542 Answers

SOURCE: hi my web cam is not

Hi

maybe this will help its worth a try

go to Start
Run
type in MSCONFIG
go to the start up Tab and the services tab.
tick the camera program
then select apply
system will reboot
then windows will open saying you made changes to the startup menu
tick the bottom left where it say's don't show again
hopeefully you will now have your webcam in the start menu again

if not go to

www.toshiba.com

go to support/downloads
find your model and operating system
search for the webcam driver
download it
install it
then restart laptop

hopefully all will be good

if not please come back to us again

many thanks

Posted on Jun 21, 2011

joecoolvette

joecoolvette

  • 5660 Answers

SOURCE: why is my toshiba satellite c655d-s5200 screen is black and i can faintly see

Okay. Got a bright flashlight, and some tape?

OH I'M JUST KIDDING!

Primer;
An LCD screen cannot produce light by itself. It needs an additional light source.
A Backlight is the additional light source.

A Backlight can be a CCFL, or a series of LED's.
Light Emitting Diode.

A CCFL is a Cold Cathode Fluorescent Lamp.
Similar to Fluorescent lighting used in homes, and businesses, but on a MUCH smaller scale.

[Average thickness is 2mm. That is a little larger than 1/16th of an Inch. Average length is almost as long, as the LCD screen is in height,

http://www.laptoprepair101.com/laptop/2007/12/09/replace-laptop-backlight-ccfl-lamp/

View the last 11 photos ]

A screen Inverter converts the power from the laptop, for the LCD screen.

The Toshiba Satellite C655d-s5200 uses LED's for the Backlight, and No screen Inverter,

http://www.laptopscreen.com/English/model/Toshiba/SATELLITE~C655D-S5200/

Which narrows your problem down to two possibilities;
A) Problem with the video cable
B) Problem with the LCD screen.

I state LCD screen, because you won't be replacing the LED backlighting. You have to buy the entire LCD screen assembly, as shown in one example above.

(Example is shown for reference, not advertising. You may find a better deal from a reputable dealer, also)

Video Cable:
The Video Cable is attached to the motherboard, under right about at the number 6 key, on the Keyboard.

It then goes across to the Left Hinge, and up into the Display Assembly.
From there it goes to the back of the LCD screen.


From everyday normal opening, and closing of the laptop over time, the video cable may become pinched, and pulled on.
This can create a loose connection at the motherboard side, and/or LCD screen side.

It can also cause damage to the video cable. If the sheath of the video cable shows visual apparent signs of damage, the wires inside may be damaged also. (Stretched/Broken)

Laptop off, ALL power removed, (AC adapter {Charger}, and Battery), I suggest checking the motherboard side connection first.

A visual inspection will Not do. You need to physically see, if you can plug the motherboard side plug of the video cable, into the connector on the motherboard.

A loose connection that is not apparent to the ***** eye, is all it takes to have a problem.

You can click on any photo to enlarge,

http://www.irisvista.com/tech/laptops/Toshiba-Satellite-C650-C655/disassemble-toshiba-laptop-1.htm

http://www.irisvista.com/tech/laptops/Toshiba-Satellite-C650-C655/disassemble-toshiba-laptop-2.htm

http://www.irisvista.com/tech/laptops/Toshiba-Satellite-C650-C655/disassemble-toshiba-laptop-3.htm

Stop on Step 22. Access to the motherboard side of the video cable.

A word on the Keyboard Cable, and it's connector on the motherboard; (Steps 9, 10, and 11),

The Keyboard Cable stays with the Keyboard. It removes from the motherboard connector. The Keyboard Cable has NO plug, or connector on the motherboard end.

The Keyboard Cable is a FFC. Flat Flex Cable.
It has flat gold plated contact strips on the motherboard end.

The motherboard connector is a ZIF connector. Zero Insertion Force.
In Step 11 you can plainly see this connector.
Has a large white rectangular BODY on bottom.
The smaller rectangular shaped piece on top is the Locking Bar.

The Locking Bar does NOT completely remove from the Body.
If it does it is broken, and means motherboard replacement.
Hence why I am being so detailed.

I am sure you use great finesse, but wanted to advise you in advance of the 'danger'.

The Locking Bar is moved towards the LCD screen, and as advised about 1 millimeter. ( -> O <-)
There are Tabs on the Locking Bar. One on each side. Usual procedure is to use your thumbnails on these Tabs, and ease the Locking Bar forward.

Now gently tug on the Keyboard Cable. You may have to gently move it side, to side, to break the Keyboard Cable loose. They sometimes get stuck over time.

Pretty stiff? Better check to see if you have the Locking Bar fully unlocked.
The Keyboard Cable MUST go back in the same position, and through the same plastic Latches and Channels.

(As do all the cables, or you may pinch them, and also will not be able to get the laptop back together correctly again)

Make a mark on one side of the cable, (Away from the gold plated flat contact strips), and a matching mark on the ZIF connector of the motherboard, if you need to.

You can slip the Keyboard Cable back in, Ram Memory, DVD drive, and Battery, and reconnect the AC adapter, to see if this was the problem.

Still no?
Check the LCD screen side connector of the video cable. Is it tight?

http://www.irisvista.com/tech/laptops/Toshiba-Satellite-A665-A665D-A660-A660D/remove-replace-lcd-screen.htm

LCD screen connected, turn the laptop on.
Was this the problem?
No?

Even if there are no apparent signs of damage, you may wish to take the video cable down to the nearest 'Mom and pop' computer store, and ask them to check it for continuity. This way you can see if any wires are broken inside. (Labor charge may be free to $5)

(My thinking is if you go to a large computer repair shop, they are going to want to repair the laptop, or sell you an LCD screen, or a new laptop. "Oh that old thing? For 2995 I can put you in the seat of this baby!" )

Or since the video cable is very economical, you may wish to just replace it.
Just one example from a quick search,

http://www.ebay.com/itm/Toshiba-Satellite-C655D-6017B0265601-LCD-Video-Cable-Genuine-OEM-Laptop-Tested-/290753862740?pt=US_Video_Cables_Adapters&hash=item43b247dc54

[Black end on right is motherboard side, gold colored end on left is LCD screen side ]

Video Cable ruled out your problem is the LCD screen, or to be more specific, the LED backlighting.
Replace the LCD screen.

For additional questions please post in a Comment.
Regards,
joecoolvette

Posted on Aug 29, 2012

joecoolvette

joecoolvette

  • 5660 Answers

SOURCE: toshiba satellite c655d motherboard componet x4701 blown

There are no fuses on the motherboard.

The X4701 may be a Macom RF Power MOSFET, and will probably be located close to the X4701 designation, silkscreened on the motherboard.
Doesn't EVEN look like a fuse.

This is a general example of a Power MOSFET,

https://docs.google.com/viewer?a=v&q=cache:oER5NNz8cwcJ:www.fairchildsemi.com/ds/FD/FDS6675BZ.pdf+Fairchild+FDS6675BZ&hl=en&pid=bl&srcid=ADGEEShOhWPjm_M-ROHme4iEMrztCTOd-28jNiy1hVLQQh_VOyv8zcXEVDB_iTQA6MuZO88UmRkDgjyW9j4CP2aIJ-4DS-h6JNM3lvxldeApQeecmz_DADCw1s7tmNLxfPknqX14SZP6&sig=AHIEtbS_rYUAeo_8rB9YHkW05ZjLqeH4Jg

Notice the J-leads on the sides.

I wonder if you are looking at a crystal diode, or an MLCC ceramic capacitor, (Multi Layer Ceramic Capacitor, and is SMD. Surface Mount Device)

http://www.magnaquartz.com/wp-content/uploads/2011/05/crystal-diode.jpg

http://www.mouser.com/Passive-Components/Capacitors/Ceramic-Capacitors/Multilayer-Ceramic-Capacitors-MLCC-SMD-SMT/_/N-b2cj?P=1z0wrkiZ1z0t6fg

(Scroll down)

At any rate let's look at a Satellite C655D series of Notebook PC's motherboard,

http://www.ebay.com/itm/Toshiba-Satellite-C655-Intel-Motherboard-V000225020-1310A2355302-/251167301769?pt=Motherboards&hash=item3a7abce089

Under the large main views are small views.
The view to the far left is the Bottom side.
The third view from the Left is the Top side.

You have to click on each one, one at a time, then you can use the Zoom In feature for that view.
Using the Zoom feature, can you try to point out the electronic component?

Use a reference point we can both follow. State a known large component near it, and go from there.

You know what the processor socket, and graphics chipset is. They are covered by the Cooling Tube.
You know what Power MOSFETs look like now, and Ceramic Capacitors.
The small aluminum 'can's that have a purple mark on one side, are solid Polymer capacitors. (Doubt they are Tantalum)

Also, I realize that it gives one a sense of pride to repair a motherboard, and the cost of the electronic components are MUCH cheaper than buying a replacement motherboard, but a replacement may be the way to go.

(Fairchild Semiconductor International - FDS6679 - Power MOSFET is around $1.
Ceramic capacitors, (MLCC, and SMD), are around 60 to 82 cents.
From the Ebay link it looks like $39 to replace the motherboard)

Capacitor failure? Ehh. No problem if we're talking SMD MLCC ceramic capacitors.

Diode goes bad? Could led to power going to the wrong place, and other electronic components could have been affected.
Could be bad, or about to go bad.
Jus sayin'.

This would mean motherboard replacement is the more logical solution, IMHO.
Post back in a Comment.

Regards,
joecoolvette

Posted on Oct 16, 2012

Testimonial: "Thanks again for shedding a little more light on the issue for me."

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