Question about Sampo AlphaScan 521 Monitor

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Screen flickers the screen flickers even when the cpu is connected, but if there no cpu connected its always on then it will go off. i had to push the start button again to get it on. what do you think is the problematic part/s?

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Check for bent pins on the sub-D connector. flex the monitor cable while its turned on.. a cut wire will yield just a flickr. especially the H and V sync lines.

Posted on May 09, 2008

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My AOpen 19" LCD Flat Screen Monitor (Model F2915) is like new and works perfectly except for one thing. The push button power switch located on the top of the monitor has broken off and fallen insid


Certainly, if you jumper the connections to see which ones turn the monitor on or off, then you can go to an electrical supply place and get a micro switch and wire it in in place of the power button, or perhaps find a type that is flat that the power button can press. What you need to determine is if it is a push-on, push -off type switch, which always stays on or off depending on position or if it is a momentary interrupt switch where the button pressed momentarily turns it on and then releases and a second press connects the circuit to turn it off. You can do this by testing with your jumper wire, attach it and if the monitor stays on when you remove it, then goes off when you attach it again, you need the second type switch, if it goes off when removed, you need the always-on always -off first type switch. .

Mar 07, 2012 | AOpen F90GS 19 inch Monitor

1 Answer

Thw on/off button isnt responding, but the light above it is flickering, the screen doesnt show anything.


I apologize then, the monitor is definitely bad. If the menus can't be accessed and you can't get a self-test to come up then the monitor is done. From my experience, sounds like it might be bad capacitors on the power board that go puffy, but taking it into an electronics shop and having it fixed might cost more then the monitor is worth.

Wish I could of helped you more.


May 16, 2009 | LG L1530S 15" LCD Monitor

1 Answer

Hi, my monitor started to flicker 3times/second persistantly.


its the monitor its the main board may stuff up tomorrow may stuff up next week or in a years time hard to day as its only flickering take in for a check up

Apr 04, 2009 | LG FLATRON L1970HR LCD Monitor

1 Answer

Screen always flicering


If the screen is flickering then I would assume its a dry solder on the inverter board or the LCD panel is about to die. Are you skilled in electronics?

Feb 19, 2009 | HP Pavilion F1903 19" Flat Panel LCD...

1 Answer

Wide screen not active


wow maybe you should give dell a holler

Jan 24, 2009 | Dell SE198WFP LCD Monitor

1 Answer

How do you turn on -- all I am getting is a "SnowScreen"


have you try to plug it in, or even connect it to a CPU? Cause there are some LCD screens/monitors which has no power button. it only turn on when connected to a CPU.

Dec 15, 2008 | Hannspree 19" Widescreen LCD Flat Panel...

2 Answers

Flickering monitor


Flickering screen display

Flickering on the screen can be caused by defective hardware in the computer or by improperly installed software, but it can also be caused by interference from external devices. The following examples describe situations in which your screen could start flickering:
  • Screen starts flickering because of interference caused by devices which generate magnetic fields, for instance:
    • a TV set
    • a laser printer
    • another monitor
    • fluorescent lights
    • hidden power lines
  • Apart from interference, an incorrect setting in your system CMOS setup can also cause flickering. On some systems it is possible to distinguish between interlaced and non-interlaced monitors. The setup of your system should always be colour non-interlaced.
  • Proximity to the monitor of fans, air-conditioning units or other devices with rotating motors.
  • The number of devices using power from the same electrical line. Are you overloading the plug?
  • Monitor placed on an unstable surface.
  • Improper video drivers, this is a software problem, see section B
  • An improperly configured or a defective video card.

Sep 30, 2008 | E-Machines E17T 17" Flat Panel LCD Monitor

1 Answer

ORANGE FLICKER ON POWER LED


Is the orange flicker on the screen or on the button?

Does it always stay on or does it go off?

What kind of monitor is it? Flat screen LCD or CRT?

Mar 23, 2008 | Dell UltraSharp 1800FP 18.1" LCD Flat...

1 Answer

Monitor flickring


  1. Flickering screen display

    Flickering on the screen can be caused by defective hardware in the computer or by improperly installed software, but it can also be caused by interference from external devices. The following examples describe situations in which your screen could start flickering:
    • Screen starts flickering because of interference caused by devices which generate magnetic fields, for instance:
      • a TV set
      • a laser printer
      • another monitor
      • fluorescent lights
      • hidden power lines
    • Apart from interference, an incorrect setting in your system CMOS setup can also cause flickering. On some systems it is possible to distinguish between interlaced and non-interlaced monitors. The setup of your system should always be colour non-interlaced.
    • Proximity to the monitor of fans, air-conditioning units or other devices with rotating motors.
    • The number of devices using power from the same electrical line. Are you overloading the plug?
    • Monitor placed on an unstable surface.
    • Improper video drivers, this is a software problem, see section B
    • An improperly configured or a defective video card.


  2. Reinstalling the video drivers

    1. Start the computer.
    2. Click Start, select Settings, and click Control Panel.
    3. Double-click the System icon.
    4. Select the Device Manager tab in the System Properties window.
    5. Make sure that View devices by type is selected and locate Display adapters and Monitor in the list.
    6. Click the plus sign (+) in front of both items to get a list of installed devices.
    7. You need to remove every device by highlighting it and clicking the Remove button and OK when the warning message appears.
    8. After doing so for both items, they should disappear from the list.
    9. Close the Device Manager by clicking OK, and you will return to the Control Panel.
    10. Double-click the Add New Hardware icon.
    11. Click Next, select Yes when it asks "Do you want Windows to search for your new hardware?", and click Next twice to start searching for new hardware.
    12. This will take a few minutes and, after it is finished, you will have to restart the computer. Windows 95 or higher will automatically set up the correct monitor and video drivers.
    13. If the screen is still flickering, click Start, select Settings, and click Control Panel.
    14. Double-click the Display icon and select the Refresh tab.
    15. Change the Monitor Refresh Rates until the flickering disappears.
    16. If the flickering remains, go to step C.


  3. Troubleshooting

    1. If it is possible, connect a different monitor to the computer. If the flickering disappears, it is a fair indication that the monitor is defective, otherwise go to the next step.
    2. Set up the computer and the monitor on a different place in your house. If the flickering disappears now, it is most likely an interference caused by something in the original location. Check for devices which can cause interference.
    3. If the flickering persists, check the setup of your system. If available in the setup, make sure that the option Monitor Type is configured as Colour Non-Interlaced.

Dec 24, 2007 | E-Machines E17T 17" Flat Panel LCD Monitor

2 Answers

The Contrast screen pops on all the time


It looks like your UP button contact is demaged.
SOLUTION is to insert a piece from your business card mostly above the button to adjust it down or up. It works fine.

Dec 09, 2007 | ViewSonic VX910 19" LCD Monitor

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