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T2341 won't display on monitor

My pc died on me awhile back. i fixed the problem by swapping out the power supplies. now the on board video card doesn't look damaged but the monitor won't display. is there anything i can do with the motherboard to test the problem?

the monitor does work for sure.

there is a red light on, located at the upper right hand corner of the motherboard. never noticed it when it was working so i'm not sure if it's an error light or not.

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I think your motherboard is bad. We would replace both the power supply and the motherboard at the same time when this would occur. You may be able to find a motherboard on ebay.

Posted on May 09, 2008

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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.

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Hi...sounds like your video card has died on you. Do you have another video card lying around to swap out with the old and try?

When the video card is sending power to the monitor, the light will be green - if the light never turns from amber to green when the computer is booting, this means that the video card is not sending a signal to the monitor, probably because its toast.

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A blinking power light typically means there is no signal from the video card, so check the connections and try another monitor (or plug the monitor into another computer) first to see if the video card is perhaps the real culprit.

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My HP a6500f is acting up. An image will display during start up and then goes blank. Power light is on for the monitor, but nothing but a blank screen. The monitor works. How can I fix this problem?


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Oct 04, 2009 | HP KQ495AA Pavilion A6500F Desktop PC

1 Answer

T2682 emachine running fine video lite went yellow & HD also


The first thing you should do is remove the video card and try to boot the PC using the onboard video (video on the Motherboard) and see if that solves the problem. If it does, try putting the video card back in in a DIFFERENT PCI slot and try it again. Sometimes Windows loses its marbles about cards inserted into PCI slots. My nieces eMachine loses its marbles over the Wireless LAN card about once a year, so I just move it to a different slot (swap it with the phone modem card). If that makes it flaky again, try updating the video card drivers. If it doesn't help, your video card is shot.

If it isn't the video card, try taking out one memory chip at a time and booting with the first one in. If that doesn't do it, swap the memory chip with the other one and try booting it again. If needed, replace bad chips....

After that, it is probably the power supply or the MB itself. Swap out the power supply first. If it is not the power supply, then it is probably the MB, and you are SOL.

May 10, 2009 | E-Machines T2682 PC Desktop

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No display


Try swaping your memory with a known good stick of ram.
Are you sure your monitor is good? Video cables?
Try changing (if pci) slots when installing video card.
Other than these 3 things the only pretty sure thing is; sorry, mother board or cpu.

Jul 01, 2008 | E-Machines eMachines Desktop PC

1 Answer

Pc starts and runs but wont boot up monitor shows no signal


1) When you turn on the computer, watch and listen for:

a) power supply fan, (power is on)
b) chassis lights (power is on)
c) ticking sound during memory test
(the BIOS POST is running)

d) beeps or rhythmical error codes
(POST failed, bad CPU, CHIP set, memory or video)

e) Monitor either comes on, displays garbled video,
displays a No Sync or No Signal message...

No depending on how far it gets:

Check power supply, cables etc.
Check video cable.
Check monitor with a different PC

Now unplug the power cord, with the computer still
on, this will help drain any internal capacitors.
Wait 5 minutes, then shut off the switches,
and open up the box. try the following,
one at a time:

2) Remove all I/O cards except the video card,
and don't plug them back in until the problem
is fixed. Unplug all the ribbon cables from
the mother board as well:

Hard drives, CD drive, floppies etc.

Make sure you make notes about how to plug it
back in, and cable orientation !!!

0) Re-seat all power cables: Red, Black Yellow harnesses.

1) Unplug and re-seat the video card

2) Similarly, re-seat all memory SIM/DIM modules,

3) Re-seat the CPU

4) Replace the video card

5) Replace memory, CPU or whole mother board,

Plug the good parts back in one at a time,
and test the machine.

Save for the power supply, there really is NO way to test
and isolate a bad module except by swapping/ trial and error
because of inter-dependencies.

For example a bad I/O card, any I/O card, can short circuit
the I/O bus, causing all other plug-in cards to stop working,
or even the main mother-board to freeze during the POST.

A bad power supply ditto.

A bad memory chip ... ditto.

The type of electronic instruments required to actually
test modern computers running at Gigahertz speed cost
hundreds of thousands of dollars, some cost millions, and
are only available to hi end manufacturers

Even the power supply will not power up for a voltage check
if the mother board is bad, although you can use a jumper
on the green wire to ground to force it on, when you unplug
the power connector from the mother-board, if you are brave.

Computer shops carry a lot of spare parts, and their service
department has gutted computers rigged up as test jigs.

They trouble shoot your system by either plugging your
stuff into their jigs, one at a time, or by plugging known
good components into your computer until the problem
is fixed.

This if of course possibly dangerous, since one bad part
can also fry other good parts that plug into it, or that it
plugs into. The compute shops, of course charge you
enough to make up for this.

If a computer is partially operable, it is also possible to
run software diagnostics.

If not, swap and pray is the only way.

Hope this helps

Please rate my answers, martin.

Jun 25, 2008 | HP PC Desktops

1 Answer

No display


So turning on the computer doesn't bring the monitor out of standby? Just to be sure, try turning the monitor off, then on again and the Pc on at the same time. If you see any writing on the screen, that will be good news. Make sure it isn't just the cable to the monitor. It is possible to mess up the connector on the cable where it goes into the computer. If one of the pins is bent, use tweezers, to very carefully try to bend it back. If it breaks you have a big problem - have to find another one and splice it onto the cable or replace the whole cord. Still nothing on the screen. Could be the monitor. Could be the video card, the motherboard, the microprocessor or the power supply. The worst case is that the old power supply failed drastically and destroyed all of the above. Try your monitor on another computer. Any sounds coming from the computer when it starts? Startup music would be a very good sign - most everything working. Any beeps? Three beeps mean the video card has failed but the motherboard and processor are probably okay. I can't think of an easy way for you to test the motherboard and processor. If you have access to a similar computer, you could try swapping in a known to be good video card. It sure looks like the worst case scenario.

Sep 11, 2007 | E-Machines C1641 PC Desktop

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