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Installed new Power Supply now monitors won't work

I upgraded my power supply so I can get a stronger video card, I removed the old one stuck the new one in, plugged everything up pushed the power button everything sprang to life except for my monitors? Anyone know what I could try

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  • Thomas F. Schneider May 11, 2010

    Installed new drivers for new video card and removed old video card software?

  • MrJeebs May 11, 2010

    Have you put the new "stronger" video card in as well?

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Did you plug the power connector directly into the video card?

Posted on Feb 01, 2009

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I recently purchased a new Radeon 7970 graphics card and installed in into my computer which currently is... --AMD Phenom II X4 965 Black -BIOSTAR TA790XE -600 Watt OCZ mod x stream-pro power supply...


Hi David,

Try removing and resetting the CMOS battery on your motherboard. Also, make sure that all connectors from power supply are plugged into the motherboard. There should be power for sys fan, CPU fan, etc.

Thanks,
E.

Sep 20, 2013 | Computers & Internet

1 Answer

No signal or network problem


Connect the monitor to another computer if possible to eliminate the monitor as the faulty hardware
Shut down the computer. Remove all cables and devices plugged into the computer. Make a note of the port into which your monitor is plugged
Remove the left side panel when facing the front of the case. Unscrew screws or manipulate latches to remove the side panel. This process varies according to the type of case you have. Please consult your manual if you are unsure of how to remove the side panel.
Attach the antistatic wrist bracelet's clip to a metal object, then ******** the bracelet.
Locate your video card. (This will be the card that contains the port with which your monitor interfaces.) Remove the slot cover screw that secures the card into the slot.
Remove any power cables that connect the video card to the power supply.
Pull the card out of the slot. Examine the gold pins to check for any damage. Reseat the card if it physically appears to be undamaged. You should hear a click once the card is secure in the slot
Screw in the slot cover screw. Attach the power cable from the power supply unit, if applicable.
Leave the case open for now. Reconnect only the monitor, power cable and any devices required to boot the computer, then restart the computer.
Shut down the computer again if you receive the "No-input Signal" error message again. Remove any cables and devices you plugged in to restart the machine.
Remove the video card with a spare or replacement by following the instructions above.
Connect necessary cables and devices to reboot the computer, then restart it.
Shut down the computer and remove cables and devices if the display still won't work.
Unplug the power supply's cables from all devices on the motherboard. Make a note of each plug-in so that you can correctly connect all devices with the new power supply.
Remove the screws that mount the power supply. Fit the new power supply into the mounting area, and screw in all screws.
Attach all required power cables to devices connected to the motherboard.
Attach the cables and devices required to start the computer. Reboot.

hope it can help you ma-friend

Aug 11, 2011 | Dual Computers & Internet

2 Answers

The PC is dead, no fans run or anything. It will not power up so I bought a new power supply and installed it but still the same issue? It does have 120 vac power into the power supply.


maybe your CPU is busted.try to replaced a new processor and test it.or double check the setting of the power on *********** board switch,maybe you inserted wrong.

Jul 11, 2011 | Computers & Internet

1 Answer

I recently purchased a new wide screen monitor. As the onboard graphics of my 4600 don't support the 16:9 format I wanted to upgrade with a video card. As far as I can see from the specifications required...


Hi there,I understand your issue and would be glad to help you..
Soloution 1:Make sure that your Video card is firmly fitted into your AGP slot and that if you have a DVI slot(And if both your monitor and system handle DVI)try using that rather than DVI..

Soloution 2:It could be possible that your video card is not campatible with your current motherboard,out of intrest,What motherboard have you got?

good luck

Jan 10, 2011 | XFX GeForce 6200 Graphic Card

1 Answer

Old monitor wont switch on


hi friend,
First, try connecting your monitor to a known good PC, possibly the old laptop you are using now. If the monitor works, the problem is with the video card in your PC. If the monitor does not come on, it is the monitor. It is usually cheaper to purchase a new monitor than to have an old one repaired, unless the monitor is still under warranty.

Try plugging a known good monitor to your PC. If the monitor works, your old monitor is fried and needs to be replaced.

If Your monitor works when connected to another PC, the problem could be your video card. First, then you turn on your PC, do the power supply and case cooling fans run. If they don't, it could be the power supply.

Next, open the computer case. Before you do anything inside, unplug the power.

IMPORTANT!! Touch any metal portion of the computer case to ground yourself to the PC. The slightest static spark can destroy computer circuits.

If the video card is the card type that plugs into a slot on the motherboard, remove the retaining screw or fastener at the top of the card, carefully remove the card, handling the card by the edges as to not disturb the circuits on the card, and re-install the card. Sometimes simply re seating the card corrects the problem.

If that doesn't work, replace the video card with a similar type card. Maybe now is a good time for a video card upgrade.

If the video card is integrated into the motherboard, you can only install a new card into one of the PCI slots on the motherboard. When the PC boots for the first time, go into bios and disable the on board video card. hope this helps u
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regards
sivaranjini

Nov 25, 2009 | Computers & Internet

1 Answer

I have a 5-year old Sony 19-LCD monitor that stopped working. The little power-on light does not come on, and their is no picture, but I do hear a faint buzzing from the back. Sounds like?


smyko, Sounds like a tired out old "switch-mode-power-supply"/ "inverter CCFL power-supply!!! May require unit to be REFURBISHED with upgraded power suppllies and if the LCD screen had been displaying an increasingly dimmer screen, it may also need new "cold cathode-fluorescent lamps" installed. A technician who knows all about LCD monitors and their backlight "ELECTRONIC BALLAST" circuits will need to evaluate it. Check with sony and find out if you can do a "cash+old unit swapout for a factory rebuilt (refurb) same model type. Before you do any of that have a look at youtube for longer video clips of "LCD monitor disassembly" and "LCD monitor repair" just FYI. You will then know and understand what is on the "OTHER SIDE" of what you been looking at for 5yrs!!! Yes, they are trying to experiment with WHITE led arrays that won"t fail for 10 years. Remember lcd Panels last 8 - 12 yrs. Hope this helps. Bye for now. 12fixlouie

Nov 17, 2009 | Sony SDM-HS93 19" LCD Monitor

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Power light not turning green just amber.not a power flactuation problem


There are a few things you will have to do. First, remove any newly installed card in the PCI socket if any. Try to re-sit the memory chip modules, that's removing and re-installing them. If they are two, try replacing one after another. Thirdly, try another VGA card incase you using the onboard one. Finally, swap your monitor. It must work. Good luck

May 26, 2009 | Dell OptiPlex GX260 PC Desktop

1 Answer

Video card upgrade


Can you try your old card? does your card have a 6 pin connector on it for power? Does your power supply have a 6 pin connector for video card power?

Lou

Aug 28, 2008 | Sony VAIO VGC-RA810G PC Desktop

2 Answers

Installed new Power supply, Monitor stays in standby...? So I noticed my fan was starting to go out, then it actually went out, my power supply would start to over heat and the cpu would shut itself...


Your problem is either the processor or the motherboard. that is why your monitor is not getting any signal. first try to replace the processor because I suspect that this might be the problem as it has gotten overheated before. if there was a power problem with you power supply you monitor would not power up at all.

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