Corrupt data? I was trying to do adjustment under factory defaults volume down and plug in the cord because the picture was so dark. The adjustments caused the tv to stay dark with no backlights now. Is there a master clear back to factory firmware or something like that. Otherwise, the only other solution i see is to replace the main board. Joe

You have to update it. Contact any service technician.
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Hi, If you cannot adjust the volume, it may be software related...one way to make sure is to run a factory default recovery using the empowering software or from start-up press Alt + F10 about every second untill you see "windows is loading files" and run the factory default. If you still have the same issue then it will be a mainboard fault. (of course always back up your data before taking this course of action)
If hardware, then best to contact support assuming it is under warranty. let us know how you get on.

Hello
There is no details about the factory reset of your tV in its user manual. But intvidual reset for picture, sound etc can be selected and can be reset to factory reset.

Summary of picture settings

The following picture settings can be confi gured. Depending on the

format of the picture source, some picture settings are not available.

• [Auto Picture]: Sets all picture settings to the factory default.

• [Brightness]: Adjusts the intensity and details of dark areas.

• [Contrast]: Adjusts the intensity of bright areas, keeping dark areas

unchanged.

• [Color]: Adjusts color saturation.

• [Tint]: Adjusts the color balance in an image.

• [Sharpness]: Adjusts the level of sharpness in image details.

• [Color Temperature]: To set the color temperature to [Normal],
[Warm] or [Cool].

Summary of sound settings

The following sound settings can be confi gured. Depending on the

sound source, some sound settings are not available.

• [Auto Sound]: Sets all sound settings to the factory default.

• [Equalizer]: Adjusts individual sound frequencies.

• [Virtual Surround Sound]: This selects the modes for more spatial

or surround sound reproduction.

• [Auto Volume Leveling]: Reduces sudden changes in volume, for

example, during commercials or when switching channels. Select

[On] or [Off].

• [TV Speakers]: Select [On] or [Off], or output sound to an

EasyLink compliant device. When [Speakers EasyLink] is selected,

the TV speakers are disabled and TV sound outputs to the speakers

of the compatible EasyLink compliant device. Adjust the volume
using the unit's remote control.
OK.

all u have to do is to
Reset Picture and Sound Adjustments
1.Press the "Menu" button.
2. Press the "CH+" or "CH-" button to "Reset" listed on the display.
3. Press the "Volume+" or "Volume-" buttons to move left or right to enter your Reset selection. The Reset will reset all of your picture adjustments, including the color, brightness and tint to the default settings. Reset also resets your sound adjustments to the default settings, like the balance, bass and treble.
4. Press the "Menu" button to complete the resetting process

Reset the menus to factory setting or default settings. You can also try this: remove the battery and let it sit for at least 24 hours. This should reset all setting to default.Also you can adjust the settings in the menus to darken the pictures slightly.
You may want to call Canon, they have great support. Ask the support if needed for repairs, and of course make sure to ask how much as well.

Remote Method

• In SET-UP icon, set antenna to CABLE
• In TIMER icon, set sleep timer to 30
• Exit menus and tune to channel 124
• Adjust volume to 0
• Press volume down (VD) on control panel and red 'CHK' will appear in the upper left corner
• To toggle between Serviceman and Aging Modes press Action and VD on the control panel

go to service mode, press 5 & 0 on remote, all data will intilize and default data will be written now save data on memory by pressing mute & 0 on remote.
you need to adjust horizontal, vertical and pin geomatry adjustments after above default data setting procedure to view correct aspect picture ratio on screen.

Hi,
In this situation as I don't know what adjustment item has been changed, go to service mode and press 5 and 0 on remote. This will reset all adjustments data on factory default. press mute and zero to write on memory. I want to inform you that after above procedure, you will have to adjust Horizontal, Vertical picture size and pin amp adjustments to get normal picture.
Good luck.

1. Check the automatic brightness and color settings by doing the following:
2. Click Settings , click Scan Settings and Preferences , then click Preferences .
3. Enable or disable (depending on their current state) the Automatically adjust exposure and/or Automatically adjust color settings.
4. Click OK .
5. Expand the scan preview by clicking the arrow on the right, and then adjust the Color settings prior to performing a final scan.
6. Sometimes the scan will pick up reflected colors, try rotating the original 90 degrees and then scan again.
7. All models except the PSC 1100 and 1200: If the scan still is not right, try resetting the all-in-one back to the factory default settings. Follow these steps to reset the defaults:
8. Press Setup or Menu depending on your model.
9. Press the Right Arrow or the Down Arrow until Maintenance or Tools appears in the Display, and then press Enter .
10. Press the Right Arrow or the Down Arrow until Restore Factory Defaults appears in the Display, and then press Enter .
11. Reset the all-in-one by unplugging the power cord and then plugging it back in. This will force the all-in-one to recalibrate

Good Luck

1.service mode before putting unit into the service mode, check that customer adjustments are in the normal mode. use the reset function in the video adjust menu to ensure customer controls are in thier proper(reset)position. 2.service number selection once in the service mode, press the channel up or channel down button on the remote transmitter or at the set . the service adjustment number will vary in increments of one,from "S01"~"S19" to "M05". select the item you wish to adjust. 3.data number selection press the volume up or down button to adjust the data number. to enter the service mode. while pressing the vol-up and ch-up buttons at once, plug the ac cord into the wall socket and switch on the main power. now the TV set is switched on and enters the service mode. to exit the service mode, shut the television off by pressing the power button.