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Chip U406. Remove it from the board and try to turn the monitor on. That's reset circuit,...

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SOURCE: LG flatron L1710S PC Monitor

Depends on what motherboard you are using. IF this is indeed the case, you can still put a CHEAP add-on graphics card on the motherboard and get the system up and running with minimum expenses. Most motherboards support adding an additional graphic card besides the onboard chip.

Posted on Dec 24, 2007

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1 Answer

My monitor turns itself off when it wants and also turns on when it is not on any ideas


First, check all electrolytic capacitors and replace those which are blown or rounded. Next, if when it shuts down the green LED also turns off, then
on the controller PCB there's tiny transistor-like chip U406. Remove it from the board and try to turn the monitor on. That's reset circuit, you could live without it.

Sep 09, 2009 | Acer AL1912B 19" LCD Monitor

1 Answer

I have an acer monitor model #al1916 when I turn it on it sstays on about 5 second and shut back down


First, check all electrolytic capacitors and replace those which are blown or rounded. Next, if when it shuts down the green LED also turns off, then
on the controller PCB there's tiny transistor-like chip U406. Remove it from the board and try to turn the monitor on. That's reset circuit, you may live without it.

Sep 05, 2009 | Acer AL1916W 19" LCD Monitor

1 Answer

Power swich blinging ,does not power on


The monitor is probably on protection.

To start unplug monitor from power and from computer and test computer with different monitor to find out if it is monitor or computer fault.

If it is computer fault and no video signal , then test:

  • Video cable.
  • Video adapter on PC (sometimes integrated on motherboard)
  • Motherboard.

If it is monitor fault , then the monitor is on protection.

When on protection you keep having a flashing led on front of the monitor , and monitor turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.


If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, faulty inverter board, faulty input board, or a fault on LCD Digital Controller board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.

Try moving the video cable, and if the cable is not built in, then also try a replacement cable.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

May 04, 2009 | HP f2105 21" LCD Monitor

1 Answer

X2gen MW19U Monitor Black screen but sounds like it is cycling


The monitor is on protection.

Test:

  • Video cable.
  • Video adapter on PC (sometimes integrated on motherboard)
  • Motherboard.

If it is monitor fault , then the monitor is on protection.

When on protection you keep having a flashing led on front of the monitor , and monitor turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.


If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, faulty inverter board, faulty input board, or a fault on LCD Digital Controller board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.

Try moving the video cable, and if the cable is not built in, then also try a replacement cable.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

Mar 24, 2009 | X2Gen MG19MY 19" LCD Monitor

1 Answer

My sceptre monitor S1902D won't turn on just stopped


If the monitor has no power at all then you have a dead power board, or a broken power cord, test also a different wall AC outlet.

If instead there is a flashing led on front of the monitor, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.

1 The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.


If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours, sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occurr suddenly are a blown capacitor on power board, the inverter board powering up backlight lamp has blown, or a fault on main lcd controller board.
check also the video cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.

Check connectors, try moving the video cable, and if the cable is not built in, then also try a replacement cable.
Regards

Mar 06, 2009 | Sceptre S1902D 19" LCD Monitor

1 Answer

Proview 900 series black flat panel monitor


its sound you have bad inverter chip. The I.C. "BIT3193G" is the main controller in the inverter circuit. This chips is a surface mount chip and you must be careful remove it or you can damage the board. Also have you check for any burn out transistor?

Feb 21, 2009 | Computers & Internet

2 Answers

Compaq Presario 5000 wont boot up


Check the memory, remove and reseat the memory. If that does not work then try and replace the BIOS battery, again if that does not work then it is time for a new motherboard. Do the fans turn on?

Feb 06, 2009 | Compaq Presario 5000 PC Desktop

1 Answer

Blue blinking light


The monitor is probably on protection.

To start unplug monitor from power and from computer and test computer with different monitor to find out if it is monitor or computer fault.

If it is computer fault and no video signal , then test:

  • Video cable.
  • Video adapter on PC (sometimes integrated on motherboard)
  • Motherboard.

If it is monitor fault , then the monitor is on protection.

When on protection you keep having a flashing led on front of the monitor , and monitor turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.


If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occurr are a blown capacitor on power board, faulty inverter board, faulty input board, or a fault on LCD Digital Controller board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing statebecause of the video cable.

Try moving the video cable, and if the cable is not built in, then also try a replacement cable.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

Jan 10, 2009 | Samsung SyncMaster 930B 19" LCD Flat Panel...

1 Answer

Samsung crt monitor


The monitor is probably on protection.

To start unplug monitor from power and from computer and test computer with different monitor to find out if it is monitor or computer fault.

If it is computer fault and no video signal , then test:

  • Video cable.
  • Video adapter on PC (sometimes integrated on motherboard)
  • Motherboard.

If it is monitor fault , then the monitor is on protection.

When on protection you keep having a flashing led on front of the monitor , and monitor turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.


If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occurr are a blown capacitor on power board, faulty convergence, fault on alignment circuits, flyback problem , or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.

Try moving the video cable, and if the cable is not built in, then also try a replacement cable.


Jul 12, 2008 | LG Flatron Ez T710BH 17" CRT Monitor

4 Answers

Acer AL1912 Monitor Looping


I have fixed many of the al1912 easy fix

the problem is always corrosion on the circuit board that has the buttons
disassemble the flat panel remove 3 screws that hold button board on
disconnect the tiny cable from the button board
use a tooth pick and clean inbetween the solder connections where the ribbin cable plugs into button board

Apr 10, 2007 | Acer AL1912 19" LCD Monitor

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