Question about Dell OptiPlex™ GX270 PC Desktop

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Computer will not turn on. the on indicator is lit. but there is no graphics on the monitor

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  • cliffsir Jan 21, 2009

    I have this same type problem. Dell SX270 power turns on, power light turns amber and stays on steady, fans run very high speed, trouble lights on back do not light, no post. The system was given to me. It ran fine for about an hour. Then it just shut down. On reboot is when it started doing everything.
    I have looked at the motherboard and see no capacitors that look bad.
    Any suggestions?
    Thanks

  • Frank James May 11, 2010

    Adding to the above requests, do you hear a beep when the computer is started? Is it more then one beep? One beep indicates that the PC is posting as it should, multiple beeps may imply the error. If more then one, how many?

  • DEKR
    DEKR May 11, 2010

    do you hear any fans running does it seem to be on like usual just no video.

    have you moved your system or anything that may have caused card to become loose

  • chessyang May 11, 2010

    also the model number?

  • IQUIT May 11, 2010

    the power LED, is it Amber or Green? On Steady or Flashing?



    Also, the 4 diagnostic LEDs on the back, are they one?

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Hi,

This is most likely A motherboard Fault.
Faulty CPU Or RAM Possible.
Power-supply Problem/Fault.
Or possible Corrupt Bios.

Mike @ Compurepair.

Thankyou For Using Fixya.


Posted on Jan 21, 2009

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No control buttons on Philips 234CL (lit but not possible to turn off)


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Go to:
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My toshiba satellite m305 s4819 had a colored lines on the screen so I thought it was simple to fix so I open the screen and tried to open the inverter jack but it was small and hard to I used flat screw...


1) The FIRST thing you do when working on a computer, Desktop or Laptop, is to Remove Power.

2) The SECOND thing is to observe Anti-Static Precautions.


You need to disconnect the Video Cable, and the Inverter, FROM the motherboard.

This will ensure that the LCD screen, Backlight, and Inverter are taken out of the system.



You may have shorted across enough with the screwdriver, to just damage the electronic components on the Inverter.

With it connected in the system the computer will not turn on.

But I also want to take the Display Assembly, out of the 'equation' temporarily.

Of course the damage may be more extensive. Diagnose one step at a time.

Laptop off, monitor off; connect a VGA monitor to the VGA connector on the laptop.
Turn the monitor on, allow it to 'warm' up.

Turn the laptop on. If graphics do not automatically show up on the external monitor, press the Fn key, and hold it down, then tap the F5 key.

The F5 key is the toggle-over display key.
You can have;

1) Just the internal monitor of the laptop,
OR,
2) The internal monitor AND the external monitor,
OR,
3) Just the external monitor.

This is why you may have to tap three separate times.

Post your findings back in a Comment.

Regards,
joecoolvette

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2 Answers

Power is on but no signal output to the screen


The following applies to Acer Laptops. You did not specify the brand of laptop you had. If your laptop is not Acer, the specific keys mentioned may be different and you should adjust accordingly.

If the power indicator is lit but nothing appears on the screen - The computer's power management system automatically blanks the screen to save power. Press any key to turn the display on.
If pressing any key does not turn the display back on, check the following....
1. The brightness level might be too low. Press Fn and the right cursor key to increase brightness level
2. Display device might be set to an external monitor. Press Fn and F5 to toggle to the internal display
3. Backlight might be turned off. Press Fn and F6 to turn on the backlight.
4. If the Sleep indicator is lit, the computer is in Sleep mode. Press & release power button to resume.

Apr 04, 2011 | Computers & Internet

1 Answer

Shut down my Acer 2480 wrong by pressing the power button. Now it doesn't reboot or boot up. I tried to pressing F2 to reboot but it doesn't do anything. Any suggestions?


Look at the power indicator:
If it is not lit, no power is being supplied to the computer. If the computer has a battery, it may be low and unable to power the computer. Connect the AC adapter to recharge the battey pack and make sure the AC adapter is properly plugged into the computer and to the AC power outlet.
If the power indicator is lit, check if a non-bootable (non-system) disk or USB thumbdrive is in the computer. If so, remove it and press Ctrl + Alt + Del to restart the system.

Pressing F2 by itself is only used to enter the system's BIOS on startup. If the power indicator is lit but nothing appears on the screen - The computer's power management system automatically blanks the screen to save power. Press any key to turn the display on.
If pressing any key does not turn the display back on, check the following....
1. The brightness level might be too low. Press Fn and the right cursor key to increase brightness level
2. Display device might be set to an external monitor. Press Fn and F5 to toggle to the internal display
3. Backlight might be turned off. Press Fn and F6 to turn on the backlight.
4. If the Sleep indicator is lit, the computer is in Sleep mode. Press & release power button to resume.

Apr 03, 2011 | Computers & Internet

1 Answer

I have two monitors. One Samsung SyncMaster 2233 an one Samsung SyncMaster 2243. My problem is that the SyncMaster 2233 for some reason is totally black. I'm usually not terrible with these things, but my...


hello Gabriel

Could you check your SyncMaster 2233 for me and tell me your findings. If this monitor is connected from your computer and when both switch on, did the led indication lamp from your monitor lit steady green? or this lead indication lamp lit green then turns red?

1. If the led indication lamp lit steady green then there is nothing wrong with the settings, configurations, driver or hardware on your computer. The problem would be the backlight inverter lamp in your monitor is busted. Or it could be the inverter board that supplies high voltage for the backlight inverter lamp that is bad. You can replace the backlight inverter lamp located at the upper and lower part of the monitor with a replacement part you can purchase at shoppejimmy.com. Inverter board repair can be risky if you don't have the skill. Even opening the back cover of your monitor and replace by yourself the inverter lamp is risky too, could inflict more damage. you can bring it to a local professional service man.

2. If the led indication lamp lit green then turns red, then if not the video card the power supply section from your monitor is bad, you can replace polarized capacitor with same value. Just inspect and those with blown or leaking capacitor. You can also check the terminals and solder joints for the 15-pin vga terminal connector where vga cable is connected on your monitor. Resolder the terminals.

3. If the red indication lamp did not lit at all. Power supply section in the monitor is bad. You can check the output voltage from the power supply section. +5VDC is supplied for the main board and +24VDC is for the inverter board. Replace leaking or blown capacitor with same value.

Just remember, this should be done when computer and monitor is turn off
Post back if you have more questions. I am willing to give you assistance.

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1 Answer

How do I turn it on


Hello.

To power on the Gateway VX750, press the power button on the front. The power button has 3 sides with a "G" in the middle.

The LED indicates the power status of the monitor.
  • Not lit - The monitor is turned off or does not have power connected.
  • Blinks one time and then goes off - The LED blinks one time when the monitor's power cord is plugged into an AC outlet to indicate that power is detected.
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  • Blinking blue - The monitor is in power saving mode. Before entering power saving mode, a message briefly appears.
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1 Answer

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If the power button does not stay on, the monitor might be burned out.

Aug 20, 2009 | SGI Silicon Graphics Silicon Graphics F180...

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That is clear indication that you have a bad graphics card. Try to look for a pencil eraser and use it to clean the gold pins on your graphics card. I hope this helps. If your card still doesn't work, its probably defective.

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turn the monitor off and the computer off. unplug it from the wall. let set for 10 sec. make sure you have it in the right place and in all the way. turn computer back on, then the monitor.

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