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I change video setting in setup from switchable to discrete mode, the system boot correctly but i have not any video signal .how i can fix problem?(acer 4741g)

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If you connect an external display to it, you will be able to see what is going on and restart your VGA drivers on the screen.

Posted on Mar 11, 2011

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6ya6ya
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Posted on Jan 02, 2017

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I need the wiring diagram for the 2006 chevy avalanche ignition


http://www.bbbind.com/free_tsb.html free wiring diagrams . Ignition switch or ignition system - coils , plugs , wires etc... .
Everything on your vehicle is electronically controlled by the BCM - body control module .
On vehicles that have several control modules connected by serial data circuits, one module is the power mode master (PMM). On this vehicle the PMM is the body control module (BCM). The BCM uses 3 signals from the ignition switch. These are the Ignition 0, Ignition 1, and Accessory.
Discrete Ignition Signals
Those modules that have discrete ignition signal inputs also remain in the state dictated by the last valid BCM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, B+, the modules will fail-safe to the RUN power mode. If the discrete ignition input is not active, open or 0 voltage, the modules will fail-safe to OFF-AWAKE. In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
Your best bet , take it to a qualified repair shop !

May 10, 2017 | Cars & Trucks

1 Answer

How to replace starter switch assembly in 2001 pontiac bonneville


Starter switch ? You do mean ignition switch , the thing on the dash or steering column that you stick the key in ! You car not starting ? The ignition switch isn't the same anymore , sends Discrete Ignition Signals to a module ,in the case of your vehicle it is the DIM - dash integrated module.
The body control system consists of the following 3 modules:
?€¢
The dash integration module (DIM)


?€¢
The instrument panel integration module (IPM)


?€¢
The rear integration module (RIM)

Each of the 3 body control modules integrate a number of functional systems under the control of a single module. Each of the modules are connected to the Class 2 serial data line; many control signals are implemented by Class 2 messages.
On vehicles that have several control modules connected by serial data circuits, one module is the power mode master (PMM). On this vehicle the PMM is the DIM. The PMM receives 4 signals from the ignition switch.
To determine the correct power mode the PMM uses the following circuits:
?€¢
Accessory voltage


?€¢
Ignition 1 voltage


?€¢
Ignition 3 voltage


?€¢
Off/Run/Crank voltage


Your best bet would be to take to a repair shop that has knowledge of this type system . You probably don't need an ignition switch.
Discrete Ignition Signals Those modules that have discrete ignition signal inputs also remain in the state dictated by the last valid PMM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, battery positive voltage, the modules will fail-safe to the RUN power mode. If the discrete ignition input is not active, open or 0 voltage, the modules will fail-safe to OFF-AWAKE. In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.

Oct 04, 2016 | 2001 Pontiac Bonneville SLE

2 Answers

I had a locked car light come on in my 2006 chevy malibu, it no longer will drive. doesnt turn off, goes in reverse but when in drive, just revs like the car is in neutral, why?


The lock an car symbol is for the anti-theft system ! By not turning off, do you mean you can't turn the key to the off position or you can turn the key to off but the car won't shut off ?
It sounds like you have a Power Mode Mismatch
The ignition switch is an input to the BCM - body control module an if something happens to the system , the BCM will keep the vehicle in the last known mode Since the operation of the vehicle systems depends on the power mode, there is a fail-safe plan in place should the power mode master (PMM) fail to send a power mode message. The fail-safe plan covers those modules, using exclusively serial data control of power mode, as well as those modules with discrete ignition signal inputs.
You could have an ignition switch problem or something wrong with the BCM .
Discrete Ignition Signals Those modules that have discrete ignition signal inputs, also remain in the state dictated by the last valid PMM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, battery positive voltage, the modules will fail-safe to the RUN power mode. If the discrete ignition input is not active, open or 0 volts, the modules will fail-safe to OFF-AWAKE. In this state, the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
This is one you need to take to the dealer because they have a factory scan tool !

Aug 03, 2015 | 2006 Chevrolet Malibu

1 Answer

I have a 2009 g envoy and when I turn my key it wont do anything.replaced the ignition switch and it has worked fine for about 5 months and now it is doing the same thing sometimes it will start right


On GM vehicles starting back in mid 2000's , maybe even before that. They started using inputs to the body control module from the ignition switch, from there the BCM controls all vehicle systems .
Power Mode Description and Operation
Serial Data Power Mode
On vehicles that have several control modules connected by serial data circuits, one module is the power mode master (PMM). On this vehicle the PMM is the body control module (BCM). The BCM uses 3 signals from the ignition switch. These are the Ignition 0, Ignition 1, and Accessory.
To determine the correct power mode the BCM uses:
?€¢
The state of these signals


?€¢
The sequence of switch closures received by the BCM


?€¢
The status of the engine run flag

The chart indicates the power modes detected and transmitted by the BCM:

Correct Ignition Switch Inputs
Ignition Key Position

Power Mode Parameter

Engine Running

Sampled Ignition Signal State

Accessory

Ignition 1

Ignition 0
OFF
Off-Awake or RAP
No
Inactive
Off
Off
UNLOCK
Unlock or RAP Unlock
No
Inactive
Off
On
ACC
Accessory
No
Active
Off
On
ON
Run
No
Active
On
On
START
Crank
No
Inactive
On
On
ON
Run
Yes
Active
On
On
Fail-safe Operation
Since the operation of the vehicle systems depends on the power mode, there is a fail-safe plan in place should the body control module (BCM) fail to send a power mode message. The fail-safe plan covers modules with discrete ignition signal inputs as well as those modules using exclusively serial data control of power mode.
Serial Data Messages The modules that depend exclusively on serial data messages for power modes stay in the state dictated by the last valid BCM message until they receive the engine status from the powertrain control module (PCM). If the BCM fails, the modules monitor the serial data circuit for the engine run flag serial data. If the engine run flag serial data is true, indicating that the engine is running, the modules fail-safe to Run. In this state the modules and their subsystems can support all operator requirements. If the engine run flag serial data is false, indicating that the engine is not running, the modules fail-safe to OFF-AWAKE. In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
Discrete Ignition Signals Those modules that have discrete ignition signal inputs also remain in the state dictated by the last valid BCM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, B+, the modules will fail-safe to the RUN power mode. If the discrete ignition input is not active, open or 0 voltage, the modules will fail-safe to OFF-AWAKE. In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
You would need a scan tool that can read data from the BCM . What may be the problem is a lose connector , these pin's at connectors are tiny and doesn't take much for one to become lose.

Jan 16, 2015 | 2009 GMC Envoy

1 Answer

Sometimes my 2001 Chevy Tahoe has no power at all nothing, then everything goes back on then it will start


How are battery an connections ? Do the headlamps work when this happens ? How familiar are you with the electronic on your vehicle ?
This could be an ignition switch problem , a BCM - body control module , The ignition switch is a Discrete Ignition Signal to the vehicle BCM body control module . The Body Control Module (BCM) performs multiple body control functions. The BCM can control devices directly connected to its outputs based on input information. The BCM evaluates this information and controls certain body control systems by commanding outputs on or off. The BCM control inputs can be:
GM has had a problem with ignition switches , but the thing to do is hook up a scan tool an check for the correct power mode .
Serial Data Power Mode
On vehicles that have several control modules connected by serial data circuits, one module is the power mode master (PMM). On this vehicle the PMM is the Body Control Module (BCM). The BCM receives 2 signals/circuits from the ignition switch. These are the Ignition 1 and Ignition 3 signals/circuits.
To determine the correct power mode the BCM uses:
?€¢
The state of these signals/circuits, either switch closed (B+ = 1) or switch open (open = 0)


?€¢
The status of the engine run flag.

The chart indicates the modes detected and transmitted by the BCM:
Those modules that have discrete ignition signal inputs also remain in the state dictated by the last valid BCM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, B+, the modules will fail-safe to the "RUN" power mode. If the discrete ignition input is not active, open or 0 voltage, the modules will fail-safe to "OFF-AWAKE". In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
You may want to take this to the repair shop an that doesn't necessarily mean the dealer !

Jun 29, 2014 | 2001 Chevrolet Tahoe

2 Answers

I have a message manufacturing mode:level (67)


Do the following with nothing attached other then the AC Power. After trying these fixes and neither works, it is a mother board issue. Replace the mother board.


1. Enter System Setup (aka BIOS) reset it to its default settings. By doing the following:

Sep 11, 2010 | Dell Latitude D610 Notebook

1 Answer

Monitor says "Check signal Cable"


lilsidetrack -

An obvious cause is that your video card may have taken a dive on you, and it needs to be replaced. If you don't "see" anything on boot up, but what you hear sounds like it's booting, your video card has probably gone bad.

Another possibility is that your video card's settings got changed accidentally, and it's not sending the proper signal to the monitors you've tried. Try booting into Safe Mode (if you have a Windows OS). This loads only the most basic drivers, and if it successfully enters this mode, indicates that your video card is probably OK, and setting might be the issue. Press "F8" during boot-up to get the boot menu, and choose Safe Mode.

You don't say what kind of card or monitors these are. Does your video card have a "TV-OUT" or "S-Video OUT"? If so, the video card is probably set to output to one of these other sources, and not to the monitor. Once in Safe Mode, you can go to you video settings and be sure they are set correctly.

Thanks,

videoman7

Aug 14, 2009 | Samsung SyncMaster 2233BW 22" LCD Monitor

2 Answers

No signal to monitor


Hello,

Try go to bios setup and then try resetting bios by selecting the bios default setting. and then look up for the configuration regarding your monitor setting or try to enabled that setting.

You can manipulate the bios setting ...don't forget to save the setting.

then try rebooting the system.
melnavz

Feb 11, 2009 | HP PAVILION A6230N DESKTOP PC

3 Answers

Input Signal Out of Range


I have been having the same problem with my hpvs17 monitor when i start to use my web browser on linux distros. Now, for the next few days i am going to try my system on a regular crt monitor. if the monitor does not crash, than i will have to say that the hpvs17 monitor has a defect.It seems that when i go online, while i am in the middle of searching something, the monitor just shuts off and i get "input signal out of range".

Jan 31, 2008 | HP Vs17 17" LCD Flat Panel Monitor

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