Question about Princeton Digital VL1812 18.1" Flat Panel LCD Monitor

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Monitor will not come on

I had my monitor stored and covered about 2 years. When I took it out to use the pins on the cable to the PC were bent and I tried to straighten the pin out and broke it off. I took it to an area computer shop and they replaced the cord. The monitor worked for about a month, but currently is not. The green light was blinking off and on at a steady pace, I wiggled the cord and now the monitor will not even turn on. Please help, I do not want to spend $100.00 to have it sent off and repaired, if I can help it.

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  • klondroad Oct 12, 2008

    Jeff, I do not have the monitor connected to the computer

  • cqfields Dec 15, 2008

    I have a LG 19 inch LCD (Model: L194EWT). I restarted my computer this evening and when i came back this monitor was not working. No picture, but just a "blue" blinking i dont even have that. There is no signs that the monitor is getting any power



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Most of the tiime if the monitor has a blinking green or amber light there is a problem with the signal going out to the computer. there are 2 ways how we can determine if the it is an issue with the monitor or the video card of the computer.

Since, we have a new monitor cord that could eliminate the possibility that your monitor cord causes the problem.

1. Try disconnecting your monitor from the computer and check for the green blinking light

2. Try connecting a different monitor to determine the issue.

Keep me posted.


Posted on Oct 12, 2008


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First thing is to remove the 15pin cable completely and closely inspect the pins inside the connectors. Often these inadvertently are bent when inserting the connector. If any are bent, use a fine pair of strong tweezers to straighten the pins. Once this is done, carefully re-attach the PC and Monitor ends of the i/o cable and boot up your PC.

If this does not work as a solution, reload the monitor driver for your monitor. You can usually obtain that free from the manufacturers website after entering the model number of the monitor.

Good luck


Nov 08, 2012 | Samsung SyncMaster 2233BW 22" LCD Monitor


How to troubleshoot a system that boots up but wont display

  • VGA cable replacement
  • Needle-nose pliers
  1. Power downthe computer. Check the VGA cable running from the computer to the monitor. If the cable is not snugly seated in both ports, the video signal will not reach the monitor.
  2. Check the connector on each end of the VGA cable. Examine the nine pins on each connector. If any of the pins are bent or broken, the video signal will not reach the monitor. If there are just a few bent pins, you maybe able to straighten them with a pair of needle-nose pliers. Be careful not to break off any of the pins. If any of the pins are broke nor missing, you will need to replace the VGA cable with a new one.
  3. Disconnect all cables and peripherals from the computer. Open the computer case by removing the Phillips screws along the side or back of the case. Remove the cover or side panel to expose the internal components. Locate the VGA card and make sure it is fully inserted into the PCI card slot. If the card is not installed correctly, the video signal will not reach the monitor.
  4. Close the case, reconnect the power cord and all cables, and power up the computer. The video signal should display on your monitor.

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Hi, it sounds like one or more pins on the video cable connector are bent. You can detach the video cable from the PC and check the pins, they should be straight, you might find that one is bent and shorting with the earth. I hope this helps.

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three things can be the issue here:

1. No signal from the tower (VIDEO CARD)
2. Bad cable or bent pin on the d-sub 9-15 pin vga connector.
3. Bad signal board inside the monitor itself.

Things to try:

1. another computer.
2. check the signal cable for bent pins.
3. check the video card in the tower.

Before you "think its a bad monitor" you always want to assume the computer first as computers are 9 times out of 10 why the monitor is not coming on such as BIOS errors, Bad video card, bad power supply etc etc.

PLEASE BE CONSIDERATE! When rating and leaving positive feedback for your free answer today.

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assuming you have a VGA monitor, disconnect the video cable and inspect the pins. Check to make sure that the pins are not bent/crushed or missing (there should be 15 pins in 3 rows). You may need to look at both sides of the cable. If they are crushed/bent, replace the cable if possible. If not possible (because your cable is hard wired to the monitor), try VERY GENTLY to straighten the pins

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1 Answer

HP 1940 turns off after a second or two desktop appears with a message no signal detecked

no signal detected is displayed when there is no sync pulse detected by monitor. look in the monitor cable connector and see if you have a pin bent down. same at video connector at pc. if no bent or missing pin it probably bad in monitor itself. do u have another monitor you can hook up to pc? that could tell you which end is defective.(pc or monitor)

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Have you tried the monitor on another PC, have you checked the cables, or tried another monitor cable, AND Look inside both place the monitor plug goes and look for BENT PINS or broken PINS, not every hole may have a corresponding pin but thats OK, look for bent or broken pins, If those soutions dont work repost error code beeps, and I or someone will help more.
Thanks for the fixya rating, everyone helps me..have a blessed day

Apr 08, 2009 | Computers & Internet

1 Answer

Prolite e435s iiyama screen


Monitor screens will have color tints when any of pins of the VGA connector is damaged or bent(I assume you are using a 15 pin VGA connection :) ) Please remove the monitor connector cable and check if you have bent or damaged pin at either side of the cable.

If it does not resolves the issue, replace any devices or equipments that may have electro magnetic fields like an UPS from the premises of the monitor.

Also, you can try resetting monitor. All the monitor will have an option for reset in the Menu.

Hope this works!
Good Luck

Mar 09, 2008 | Computers & Internet

1 Answer


This could be a fualt with either your monitor, graphics system or cable The monitor is reporting that it is turned on but not receiving a signal from the Pc it is connected to. Check that your PC is powering on (the base unit) and check that your cables are connected, and secure (at both ends if both ends undo) if the fault persists, undo the monitor cable and inspect each end for bent / broken pins. on a 15 pin monitor cable it is common for a single pin in the center of the connector to be omitted. if you find that there are bent pins in your connector it is ossible to straighten them using a small screwdriver or pliers, however be careful as these pins are not very hardy to bending and will snap off if repetedly bent. If you cannot find a fault with the cable and the PC & monitor both are powering up properly, it may be appropriate (if you have a spare or can borrow a monitor), to test on a different monitor, if the fault persists after this there is a fault with your graphics card and you will need to have your PC serviced or replace the Graphics card.

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