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Monitor turns off after a while. before it does it signal cable problem. i did install a new monitor and it still the same. do i need to change out video card if so where do i get one. thank

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  • Acer Master
  • 27,725 Answers

Is it just the monotor that turns off or does the computer turn off to

Test your PSU or replace it if your power supply units fan is not working your PSU is faulty

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect/ boot up a computer hard drive

Test all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your ((motherboard to your hard drive)) make sure they have a secure connection and are not faulty or just replace them there probably old and faulty
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they are probably old and faulty a computer needs its connections to have an end so any faulty leads will end up with a computer error

hope this helps

Posted on Mar 26, 2011

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Posted on Jan 02, 2017

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3 Answers

When the monitor is turned on it appears to work - the "acer" name comes up and then the words "no signal". As soon as no signal comes on the sceen it goes to black and the light turns...


You might have one of several problems.

Your monitor might require a driver for your computer/graphics card in order to show up.
Your monitor's input might be slightly damaged.
Or your graphics card might not have the proper drivers in order to display on that kind of monitor.

I would go online and make sure your drivers are up to date for your graphics card first, then inspect your monitor to make sure no pins from the cable have broken into the input, and then make sure that your monitor is compatible with/without drivers to your graphics card.

Mar 16, 2011 | Acer LCD Monitor X223W

1 Answer

No signal everythings plugged in and turned on still says no signal in goes to standby mode.


1. change the VGA cable and test.
2. Plug to another PC or notebook and test.
if still no signal, it might be the display board inside the LCD is faulty.
You need to get a certified technician to fix it.
If cost is higher than 1/3 of a new 18.5" new :LCD monitor; I think you need to think of purchasing
a new LCD already. As new LCD will cover you with 3 years warranty.
take care.

Jan 03, 2011 | Acer AL1916W 19" LCD Monitor

3 Answers

LG Flatron L2010P monitor. Says no input signal with the monitor plugged into the PC. I know the cable and PC are good as they work with my other monitor. Thanks for any help!!


Make sure the correct input is selected. This monitor has both analog (VGA) and digital (DVI) inputs, and it may not be automatically detecting the input you're using. If the proper input is selected and the monitor still says there isn't any input signal, about the only option is to replace the monitor or try to find a replacement signal board from an online source. Most repairs need specialized tools to diagnose and then change the bad parts.

Oct 29, 2010 | LG Computers & Internet

1 Answer

Acer al1922 monitor no signal:


If it does the same with other PC then you need to open it up and first thing to look for are bad caps in the power supply, see example of failed monitors due to bad caps, transistors, transformers, lamps: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside, and always replace with good quality caps such as PANASONIC FM or FC series from DIGIKEY.

Mar 23, 2010 | Acer AL1916W 19" LCD Monitor

1 Answer

Installed the board, scren displays message no signal and stays black. no peeps or beeps. usb has power so do drives and signal leds


Check the cable between your monitor and computer. If this is a new install and you have added a graphics card, you will need to boot up once using the on-board VGA. Doing so will allow you to turn off the on-board VGA in the BIOS. Then you can shut down and move the monitor cable to the new graphics card and reboot.

Dec 05, 2009 | MSI G31M3-L V2 Motherboard

1 Answer

Installing new hard drive and monitor says


Turn the computer off.
Disconnect all the disk-drives, both "data" and "power" cables.
Disconnect the CD/DVD drives, both "data" and "power" cables.
Disconnect the 3.5" diskette drive, both "data" and "power" cables.

Turn the computer on.
Better? Worse?

Nov 01, 2009 | MSI K8N NEO2-F NFORCE3 250 ULTRA S-939 ATX...

1 Answer

Monitor comes up shows "acer" then says no signal and goes black


This Problem is Acer(s) Monitors. Though it is a nuisance one fix That has work for many is the Unplugging after it goes back to Good (viewable) screen.
I have hooked mine up to an inexpensive Power strip to make it easier for me and just turn off at time indicated above and Viola Simple is as Simple does :)

Apr 24, 2009 | Acer X241Wsd Monitor

1 Answer

Monitor comes up shows "acer" then says no signal and goes black


The interface between the monitor and the cable might need replacement. Please check it.

Jan 12, 2009 | Acer AL2016 W 20" TFT LCD Monitor

2 Answers

No RGB imput signal


You need to change the input signal, get into the menu on your monitor and change the signal from rgb to dvi, hdmi or vga dipending on what cable you using for connection.
There is NO rgb connector on that monitor

Good luck

Dec 05, 2008 | Balance CM2015 15" LCD Monitor

1 Answer

New Monitor Installation


Does your computer have more than one video adapter installed. If so, try plugging into the other one.

Jan 13, 2008 | Samsung SyncMaster 216BW Monitor

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