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When i turn my computer on i get a black screen, no picture. i have put a new power supply and video card in and still the same results. when i mash the power button it will not turn off.

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  • samantha_ang Aug 19, 2008

    Hi thank you. I have hooked another tower to the monitor and the monitor works good. I puzzled???

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  • 197 Answers

Try another monitor . and on the video card try putting it in another i and o port they should be eather white or sometimes brown. if you cant get it to work it sound like you need a new monitor.

thanks

hope this works for you

Posted on Aug 19, 2008

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How do I get a evga gt 610 2gb graphics card to work with my pc?


If you have a black screen with a blinking DOS/text-mode cursor, and you're sure you disabled the integrated graphics, the card is bad or your power supply is not delivering enough electricity on the 12v line to start up the graphics card BIOS.

To check if it's your power supply, simply disconnect your DVD and hard drive from power, and your video card will have enough 12v juice. (the GT610 needs more than half of the power on the 12v line that the stockPavilion P6-2330 can supply). If disconnecting your drives fixes your issue, you will need to buy a better power supply to use them at the same time. One with 15-20A on the 12v line is ideal, a good price is $50 or less.

If it still doesn't display anything besides a blinking text cursor when your drives aren't connected, try re-seating the graphics card and make sure all the pins are completely connected, if this doesn't solve your issue, the video card is most likely bad, just exchange it.

If you have a black screen with a mouse, your new card is probably being used as a 2nd desktop. To confirm, just connect your monitor to your integrated graphics; if you get a picture, just set your new card to be the primary desktop.

Dec 01, 2013 | HP Pavilion p6-2330 Desktop PC

1 Answer

My desktop computer will display anything when turned on, and the fan and hardrive both make a loud constant noise.


Maybe you need a larger power supply depending on if you might have added more hardware such as a graphics card, or an extra monitor to your system. This sometimes results in an inefficient supply of power, making your fan to your power supply work harder, thus making noise.

Nov 19, 2012 | Gateway 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 was getting the blue screen for a few months, and now when I power my Gateway GM5084 the lights come on and I hear it running but nothing comes up on the monitor. It's like it's not connecting...


First I would try a different video card to see if your video card is faulty or not. If you still can't seem to get any picture it could be that the power supply on your computer is starting to fail and not providing enough power to the video card.

Usually your PC will beep if it is a video card issue so if you don't hear beeps I would guess the power supply is the culprit. A replacement power supply is not that expensive and is quite easy to install as well.

May 18, 2011 | Gateway GM5084 PC Desktop

1 Answer

I Have A HP Pavilion a6300f And When I Cut It On I Get Nothing From The Video Port Nothing Pop Up On The Screen No Picture The Screen Stay Black As If The Monitor Never Cut On. The Monitor Works I Have...


Sounds to me like you're having one of two possible problems, first possibility is the video card burned out, second being the power supply died out. When you turn on your computer do you hear your harddrive make any sound(usually hear a bit of a louder sound similar to when you first put a cd in the disk drive) if not then it might be your power supply died out, if everything sounds normal then it might just be the video card. There are ways to swap out those pieces, but wouldn't recommend it to you if you're not too tech savvy, so what I suggest is you send it back to HP if you're still under warranty and see if they fix the issue for you.

If you are willing to try and fix it yourself you can order a power supply and/or video card from websites like www.tigerdirect.com or www.newegg.com, and to learn how to replace the parts go here(for video card)http://www.youtube.com/watch?v=Lh_rwIbVNrQ and for the power supply go here http://www.youtube.com/watch?v=UzolRkN7Eew

May 03, 2011 | HP Pavilion Desktop a6300f Intel Pentium...

1 Answer

The pc turns on but no image on screen sometimes,have changed memory modules.its seeing well you restart it and then no image,but pc is on


For a desktop, first try the monitor on another computer, preferably with a different video cable. If it doesn't show a picture; the fault is probably at the monitor. Also try a different monitor on the Gateway.

If these two tests show that the monitor is bad, replace it to use your computer for now. (If it is under warranty, consider warranty repair. Otherwise we can try to diagnose the problem. (Common problems for an LCD monitor are the power supply, the backlight, the backlight inverter or the main board itself. The inverter is the easiest part to replace and can be tested with an oscilliscope or a multi-meter that can measure several thousand Hz.)

If you get a picture, try the monitor on the first computer with the second video cable to rule out a bad cable.

If there is still no picture, the next step is to determine if the computer has a video card installed or if you are using the on-board video. Many computers have both so try plugging the monitor into the other ports if there are any. (The on-board video is disabled when you have a video card in place. When reconnecting the cables, it can be easy to plug into the wrong spot.) Check if the monitor is working.

Replace the video card with one appropriate for your computer (you will need the specs for your computer's PSU (original specs - 300W) and card slot (PCIe x16)). You need a card that doesn't require more power than the power supply can put out. (Remember the CPU and other components need power too. Card specs will include the recommended minimum power supply needed to run the card.)

If you can, get a card that matches the existing video card. This will avoid a major problem. You need to uninstall the current video card drivers to put in a new one. You can try booting into Safe Mode by pressing F8 as you power up the computer. (This can take several tries to catch the point where the computer looks for the keystroke. You only have a few seconds.)

If you have been using the on-board graphics, get a video card. You will need to press a key (F1 or F2 for most Gateways) to enter the BIOS then disable the on-board graphics when you install the new card.

I hope this helps.

Cindy Wells

Mar 30, 2011 | Gateway GT5438 PC Desktop

2 Answers

MASH THE BUTTON AND ONLY THE FAN COMES ON AND IT STAYS ON.NO LIGHT COME ON THE COMPUTER,NOTHING WORKS BUT THE FAN


IT LOOKS LIKE YOU MASHED THE CAPS LOCK BUTTON ALSO. I FEEL SORRY FOR YOUR COMPUTER. LOL!

It is a little misleading but frequently a failing power supply will still have enough power to spin the fan and turn on the lights.

A computer store should be able to replace it for you. Considering your "MASHING" approach to to this problem I highly recommend this approach.

However, if you are comfortable with a screw driver you can replace it yourself. The key is making sure the new power supply has all of the same connectors and equal or greater wattage. The more wattage the better, especially if you have added a 2nd hard drive or a powered video card) Google "replace power supply" and you will find all the help you need. I recommend NewEgg.com for finding the correct PS and the best price.

PLEASE VOTE FOR MY SOLUTION IF IT HELPS :)

Oct 27, 2010 | Gateway GT5220 PC Desktop

2 Answers

The monitor has no input signal, tried another monitor and had the same result


This could be an issue of a video card gone bad. I have experienced the same issue firsthand. This could also mean that no RAM is installed. If you have been using this computer previously, the second option is probably not even an option.

If you have another computer available, please try plugging the monitor in to that machine to test. If it works, your Video Card is more than likely toast.

But not to worry, you should be able to find a new card for that machine. I believe it will be a PCI Video Card, which may run you anywhere from $20-$100 depending on what you purchase. Please consult with eMachines before ordering a new card. Some will not work with your machine.

I hope this helps you out. Have a great day and please don't hesitate to ask any further questions regarding this issue.

Feb 26, 2010 | eMachines C6535 PC Desktop

1 Answer

No picture on EMACHINE T3120, COULD THIS BE CAUSED FROM AN ISSUE WITH THE POWER SUPPLY?


Not likely, if it powers up and the LED blinks indicating that the hard drive is working then its most likely the video card or the motherboard.

If you press power and you hear the fan and hard drive power up the power supply is working if none of that happens then you know that the power supply is done they are cheap $40 at newegg.

If you get a picture at first but then it goes black it could be a driver that is not compatible. If so you will have to go into "safe mode" and see what isn't loading correctly.

Had a similar issue with a computer swapped out the video card and the power supply, wasn't worth putting money into a new motherboard.

Just for fun make sure none of the pins are bent on the connectors

Dec 28, 2009 | E-Machines T3120 PC Desktop

1 Answer

Black screen when I installed a new graphics card and power supply


You should only change one item at a time to determine where to start checking. If you have another graphics card or an onboard video connection use that and tell me the results. Also if it is an AGP card reseating it may fix it as that is a common fault. Steve

Dec 19, 2008 | Computers & Internet

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