Disconnect all storage devices, and stay "flat" with motherboard, CPU, memory and video chip (PCIE or onboard). Try to detcet and check up some warming on the chipset. Cold chips? Prepare your self for new motherboard, sorry! Try another PCIe graphics card at the end. Do you trust to your power supply.
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Could be a bad motherboard or power supply.
First, determine whether it's a power issue that can be cleared. Unplug the power cable from the back of the power supply, switching it off, then disconnecting the main 24-pin connector from the power supply to the motherboard for about 10 minutes.
Second, determine if it's a connected peripheral device that can be isolated. Disconnect all power connectors from case fans and any DVD drives or secondary hard drives. Only have the power to the motherboard and to the main hard drive connected.
If neither works, try replacing the power supply. Make sure you check to see what size your current power supply is and get at least that to replace it. The standard is about 430W, depending on how many devices you're powering. If replacing the power supply does not work, it's most likely the motherboard.
If your video card is separate and not integrated into the motherboard, a defective video card can cause rogue problems, so if you have a spare or can borrow someone else's try swapping out the video card.
You have already remove the memory chips and you heard a beep. That is good. disconnect all the cables going to the DVD, hard disk and if you have a floppy drive disconnect the cable to.
Turn the computer again and if you see the same problem notice if the fan mainly on the power supply is running.
A defective PSU can cause this problem.
Just in case since you can remove the memory perhaps you can reset the CMOS. There is also a possibility of a corrupted BIOS.
About the PSU you test it in another PC or buy a new one with the option to return it or borrow or buy a PSU tester.
Hi, from your description it appears your power supply is ok.
Remove your RAM chips, clean everything with a soft brush or a can of compressede air [from computer store] Reinstall the RAM making sure it is seated firmly.
If this does not solve the problem, Are you using 1 or 2 RAM sticks? if 2 then remove them again and swap them around.
stick one in dimm2 and stick 2 in dimm 1.
If you only have one stick then beg or borrow another stick and try it. If all fails you may have developed a mobo problem.
Regards mistyman
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