The computer changed to a 6800GT graphics card, and the monitor kept showing no signal

Motherboard without integrated graphics The motherboard supports AGP 8

1 Make sure your new graphics card is agp 8 If yes 2 Make sure your graphics card is plugged in securely If yes.

3 Make sure your newly installed graphics card is plugged in with an external power supply If yes.

5 Confirm whether the actual power of your power supply is sufficient Generally, this graphics card needs a power supply with an actual power of 220-250W.

5 Installed well can light up the driver needs to be updated to.

NVIDIA GeForce6 GeForce7 GeForce8 GeForce9 GeForce GTX 200 Series Graphics Card Latest GeForce Driver WHQL Multi-Chinese Edition for WinXP XP-MCE (released on February 19, 2009).

6800GT needs to be connected to an external power supply, have you plugged that one in?

If it is not plugged in, it may not turn on.

Use the integrated graphics card test when unplugging the independent graphics card, regardless of whether the integrated graphics card is displayed or not, you can clear the CMOS battery, if it is just the problem that begins to appear after changing the graphics card, it can basically be solved, if you have used the memory before, you need to plug and unplug the memory again.

You may not have a graphics driver installed!

Solution: Take out the included disc in the package of your new graphics card and install the graphics card driver into your computer!

The motherboard does not have an integrated graphics card.

6800gt Are you sure it's okay ?

The computer can turn on normally, and the display has no signal and steps:

Faulty display. Connect the monitor to another computer or display output port to confirm and replace it.

2.Poor contact or disconnection of the connecting wire; Replace the display cable.

3.The graphics card is in poor contact with the motherboard or malfunctioning. Including some graphics cards need to be connected to 4 pins, 6 pins, and 8 positive external power supplies, of course, missed connections will not work.

4.Check if there is power in the mainline outlet, or unplug the mainline outlet and plug it back in.

5.If there is too much dust in the case, poor contact between the memory, graphics card and the socket will also cause the display to not be displayed, clean up the dust on the motherboard.

Exclusion method: First of all, look at whether the replacement graphics card model is compatible, first, for example, the old graphics card in the past is ati, but.

version replaced NVDIA's graphics card, if.

This will definitely not work. The old graphics card driver is still on the computer, and replacing the new graphics card is not compatible with the old one, which is definitely not good.

It is recommended to find a compatible graphics card, first, first of all, install the old graphics card. Then after the boot display is normal, go to the control panel and uninstall the graphics card driver; Then shut down. Then unplug the old graphics card and insert the new one.

That's the problem with this graphics card.

Make sure the graphics card is plugged in, and the cable of the monitor is also plugged in on the graphics card.

Then make sure that the driver is also installed, and it should be fine.

The possible reasons are: 1. Whether the graphics card has a power cord Whether the power cord is powered on Check whether the graphics card fan is rotating normally after booting up.

2 Whether the graphics card pins are oxidized or not, whether the motherboard graphics card interface is dusty or not, and whether the interface type matches the new graphics card interface.

3 Whether the cable from the graphics card to the monitor is plugged in and fastened.

4 Insert the new graphics card into another host and confirm that the new graphics card is intact.

5 The power of the new graphics card replaced is too high, the original power supply of the computer is low, and the power supply is replaced with a high-power power supply.

Check whether the screen socket is plugged into the graphics card, and check whether the graphics card is installed correctly.

In this case,You see if the connection cable of the graphics card is connected correctly,Because the system between the display and the host is not connected,The display does not have a macro number,The other thing is to check whether the graphics card is buried in the usual,This one has to be replaced,And then test the graphics card to know。

There are several possibilities.

1 The auxiliary power supply of the graphics card is not plugged in, if there is such an interface, remember to plug in the 6pin or 8pin power supply plug.

2 The graphics card is damaged.

3 Look at the host self-test, that is, the 3 keyboard lights will be on when you turn on the machine, and the sedan car will not be checked by itself, and the display has no signal, this may be the faulty silver eye of the memory, the motherboard or CPU, and the memory may be the most bad contact.

4 The CPU and motherboard are not compatible, the power supply band does not move, and the CPU cannot be supported without a new BIOS.