I am upgrading my desktop. I have a P4S5A motherboard and after I did all the connections and tried to turn it on, the power supply does not work. I tried another power supply and does the same. Is there something that I am missing?
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That means that the monitor is not getting a signal from the computer. There are several possible issues involved. 1) Make sure that the computer tower is on. 2) Check that the video cable is connected to the active port on the desktop. (Computers often have video connections on the motherboard and an added video card. The motherboard connection is disabled when the video card is active. Similarly if there are several ports (VGA, DVI, HDMI, Display port) only one may be active.) 3) Try a new video cable (if possible) and one of the other video ports (again if possible). 4) Try connecting a different monitor to the computer or connecting this monitor to another computer.
Open up the computer and check if the card requires a separate power connection to the power supply. Make sure it is plugged in. Do the fans in the computer spin up?
If a second monitor doesn't work or the monitor works on another computer, then the problem is with the video adapter on the computer, the power supply or the power switch. Please add a comment with more information about the type of desktop and the current video graphics adapter (on the motherboard or separate card). I will provide additional help if possible.
Cindy Wells (who has a computer in the company that needed a new monitor (power supply failed) a few months ago and lost the fan on the video card last week. Without the fan, the card overheated and shut down. Thus no signal to the monitor.)
I have only worked on one of these Sony desktops, and it is really very proprietary, where you would be better off buying a new case to install a new motherboard in. The sony looks really slick, but everything about it is odd: The power supply, the cooling fan for the cpu, etc. It would be a lot easier to save what you can and move it to a new project!
Open your computer casing where the motherboard lies in and then remove the memory card, your new video card and then reset the BIOS, refer to the motherboard manual on how to do it. After resetting, plug in the memory card and video card. Close the casing and connect all the wiring. Power up your computer.
The audio driver is at the bottom. Click on a download server closest to you. The downloaded file is a .zip file. You can Save it to your desktop, but then must extract it to it's full size and format. (.exe file) Once extracted you can run (double-click) the file to install the driver on your system.
Try refreshing all the connections on the motherboard first like ATX power supply, SATA cables, RAM, etc. Then turn the computer on again, touch the HDD and feel if there's vibration, this means that your hard drive is active. Also, try resetting the CMOS, by removing the battery, but before doing this, make sure to turn off the PC and remove the power cable connected to the power supply. After approx. 10 secs attach the battery again, and turn on the computer, you may need to input the correct time and date. Hope this helps.
Most computer power supplys have 3 different voltages coming out of them The motherboard light indicates only that the particular part of the motherboard that uses a particular voltage. The power supply may only be providiing power to that specific part of the computer. I would recommend trying another power supply to determine if that is the resolution.
try to do the ff:
before you replace your Mainboard.
1.did you try to set your bios to default settings ,then save and restart.
2. try to clean your memory and memory slots ,
3.try to remove your other hardware except the video card and restart your unit.
4.try to reformat your hardisk.