Question about Acer Aspire M3100-U3401A Refurbished Desktop PC - AMD Athlon X2 4800+ 2.4GHz, 3GB DDR2, 320 SATA, DV

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No video power on but no video

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Hi
Check the VGA connections and probably replace the cable.
Try another monitor with the same desktop and see what happens.

Posted on Feb 22, 2012

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Posted on Jan 02, 2017

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Installed dynex power supply on pc and now no signal to moniter


if computer powers up I would suggest looking over your work again with the video card. I would bet loose power cable to video card

Mar 16, 2013 | Dynex 400-Watt ATX CPU Power Supply

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My 32inch lcd tv keeps flickering it started all the sudden


TRY THIS

    • 1 Turn the TV off with the front-mounted power button, not the remote. Unplug the TV's power cord from the wall outlet. Let an hour pass before plugging the cord back into the wall outlet. Turn the TV back on with the front-mounted power button and wait until it has fully restarted. Bring up a TV channel to see if the image being presented on the LCD screen is no longer flickering. A momentary power surge can cause the circuitry inside the LG-brand LCD TV to function erratically.
    • 2 Unplug the video cable from the video connection on the back or side panel of the LG TV. If more than one video cable is connected to the TV, disconnect all of them. Disconnect the other end of the video cable from the video source device that it's attached to -- a DVD or Blu-ray player, or a satellite receiver or cable box. Blow off the connections on the video source device and on the back or side panel of the TV with bursts of compressed air. Reinsert one end of the video cable into the video source device and the other end into the video input that it was connected to. Turn the TV back on with is remote to see if the picture is now free of flickering. A loose or partially connected video cable can cause the LCD TV's screen to flicker when presenting an image.
    • 3 Turn the TV off and unplug its power cord from the wall outlet. Place a power conditioner next to the wall outlet. Plug the power conditioner's power cord into the wall outlet. Plug the TV's power cord into one of the AC sockets on the power conditioner. Turn the power conditioner on. Turn the TV on to see if the picture is now free of flickering. The RF signals in the electric line that the LG TV is drawing power from can cause flicking through interference patterns being generated.

Oct 20, 2012 | Computers & Internet

1 Answer

Asrock g31mgs no power


You need to set the Bios to default to your video card and not your on-board video or disable the on-board video in the Bios..

Jun 25, 2012 | Computers & Internet

1 Answer

I have done all that you saud to do. Now the problem I have is the computer will not turn on at all. It's like the power has been turned off from inside the operating progam. I have windows 7, is this...


10_24_2011_12_18_38_am.jpg

Phase 1
After power button pressed, computer will detect 5 components :
1. Power supply - OK (enough power)
2. Main-board - OK
3. Processor - OK
4. Memory - OK
5. Video Card / VGA - OK
== beep sound .. (1 time) or on the monitor, display appears BIOS ==

The characteristics of damage to power supply
1. Power supply fan does not spin


Video power supply fan not spinning

If the power supply fan is not spinning, the possible cause of damage to power supply. Solution, replace the power supply.

How to check the damage to power supply
2. Power supply is weak (resulting voltage power supply can not turn on the computer or the voltage is less)
The characteristics of damage to the processor

Normal fan without processor

Normal fan with processor


Based on experience, the possibility of damage processors is very small. To check for damage to the processor, install the processor to another computer (for comparison).


The characteristics of main-board damage
Because the new main-board, so the possibility of the main-board damage, very small. The characteristics of damage to the main-board, when the power button is pressed
1. Power supply fan not spinning
2. Processor fan is not spinning
3. Casing lamp is not lit
4. Main-board lamp does not light



The characteristics of the memory damage or dirty memory
1. The characteristics of normal memory, but installation is not correct or dirty

When the computer is turned on, the sound


Solution

10_24_2011_1_10_37_am.jpg

Picture a
Release Memory

Picture b
Clean the memory slots with a brush

Picture c
Clean the gold layer memory with a pencil eraser

Picture d
Reinstall the memory correctly


The characteristics of damage to video cards


Solution, remove the video card, clean the gold layer with a pencil eraser.

I hope this information helps.

Oct 23, 2011 | Computers & Internet

1 Answer

I have a samsung 973v..the problem is that "there is no display"..what part of the monitor should i check..?


Cause:
  • Monitor failure
  • Video card or onboard video device failure
  • Driver conflict or improper driver installation
  • Power issue
  • Loose device connection

Resolution:
  1. Verify the computer and monitor has power and is actually turned on.
    • Not turned on? Well… turn it on. J
    • No power? – Make sure power connections are in and secure. Reseat them to verify.
    • Make sure their power bar is on. (If they have one.)
    • If the monitor still has no power, try it directly to the wall and another outlet.
    • Still no power on the monitor, RPL if in warranty and is the original monitor or Op sale a new one.
    • If the tower has no power, try step 5. If still no power see No power troubleshooting.
  2. Verify the connections are secure. Reseat them to verify this.
  3. Remove the monitor connection from the tower, check if the monitor self test appears. (If may take a few seconds) If it appears, the monitor is fine. If it doesn’t, bad monitor!
  4. Replace it if in warranty (and is the original monitor) or Op sale a new one!
  5. Does the owner have picture in POST (Power on Self Test) or in the Bios? Do they lose it as soon as Windows loads? (If the computer has no POST or Bios go directly to step 7)
  6. If they lose picture as soon as windows loads, boot to safe mode
    • Check for multiple video adapters, if there are two, try disabling the one the user is not using. (Usually a problem with onboard video overriding a video card).
    • If they are exactly the same try uninstalling one and rebooting. It might be a ghost driver.
    • If the ghost driver reappears after rebooting, try disabling it like it is a device. (Because it might be.)
    • If only one device is listed, uninstall the video driver. Reboot the PC and install the driver off of the driver disk.
  7. If the issue repeats, uninstall the video driver again, get the user into windows normally and Doc-express them the updated driver. Give the SR# and your audix. If this issue happens even with an updated driver, you are looking at service for a potential hardware issue.
  8. Do a hardware reset: Unplug the power from the wall and hold the power button in for 20 seconds. Try and boot. Check for onboard video as well as a video card. If the owner has both, try the onboard video. If it works. Check the device manager and try installing the video card properly. If it is installed properly, try disabling the onboard. Then switch it back to the video card. If the PC does not have both onboard and a video card. Proceed to the next step.
  9. Open the tower and reseat the video card. (Make sure the owner has the power off and unplugged. Also make sure they touch a metal part of the computer to discharge static (IE the metal frame or power supply)
  10. Still no video after reseating the card? It may be the video card or something on the motherboard.
  11. Remove the video card completely and try booting. Does the motherboard beep? If it does, the motherboard is fine and you should replace the video card if in warranty. If out of warranty, op sale a new one. If the motherboard does not beep, it may be a bad motherboard or something attached to it. (Note: Not all motherboards have beep codes, check the source!)
  12. If you are unsure if the video card is actually causing the problem, service may be the best option

Aug 06, 2010 | Computers & Internet

1 Answer

I have a model PS-5301-08HA power supply in my HP computer. I am adding a video card and cannot tell which power lead from the power supply is used for powering a video card. They are bundled together and...


There are two types of video cards, Ones which power themselves for the Slot and other high end ones need to be powered from the supply. Most video cards are provided with a cable like this one.7c6778b.jpg You will need this cable in order to properly connect your video card to the power supply.

Hope this solves your problem.

Apr 20, 2010 | Lite On Computers & Internet

1 Answer

I want to upgrade video card for my pc(HP Pavillion a1120n) i wanted to know what kind of video card is compitible with my pc. please help thanks. ;)


From what I gather, your computer has a PCIe v1.0 slot for a video card upgrade and comes with intel on-board video. So you will need a PCIe 2.0 video card (v1.0 are no longer available and 2.0 are backwards compatible)

I assume, like most PC's, yours has a 350-450 Watt Power Supply. Check your power supply to be sure, you just can't put any video card, you are limited to the available power from the power supply. If you want a top of the line video card for gaming you will need a more powerful power supply. If all you need is better performance and better video quality (DVI/HDMI) then any sub $100 dollars card will do.

I cannot emphasize enough, check your power supply wattage capacity and the watts required by the new card before buying.

Also, do you have additional power connection from the power supply for the new card? most cards, not all, require a 6-pin PCIe power connector.

For the average user I recommend:
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130395

Mar 13, 2010 | HP Pavilion a1120n (PX759AA) PC Desktop

1 Answer

No video on new Gigabyte GA-MA770-DS3 motherboard


There are a couple things that you need to look at. The first is your power supply. I've had computers seeming to run fine with no video. Turned out to be bad power supplies.
Does your video card require a power connection? Many high-end video cards need an external power connection. If the card has a power connection, use it.
Have you gone in and checked the cmos settings? What does it say (if anything) for the default video?
Now remove all connections to drives (hard drive and CD and try for video. Try it.
Next, if possible, swap out memory.
After you've tried everything (including maybe burning incense), time to try a new motherboard.

May 27, 2009 | Gigabyte Computers & Internet

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