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no signal on monitor after installing RAM?
Hi i have had this problem before and i scrapped the MOBO but this time i really dont want to scrap the MOBO.
Here goes, i put a 256 ram stick in my computer and booted up, all that happened was the tower came on for a second then went off for a second then booted up with no signal on monitor.
I shut it down and took the ram out and now all i am getting is the computer booting up with no signal on the monitor.
I have tried multiple ram configs (different sticks, different holes ect) and i have tried 3 separate Monitors and i have tried 2 different graphics cards as well as the onboard graphics.
I have also done BIOS re-set.
Last time this happened (different MOBO) i had a computer guy around and he couldn't fix it so i had to buy a new MOBO, not its happened again on a different MOBO, I cannot afford a new MOBO, can anyone shed light on what may of happened and how i can fix? thank you.
2 Answers
- 1 decade agoFavorite Answer
To do a complete test of the basic functions of a computer do the following:
1) Remove the motherboard from the computer and place it on a piece of cardboard (or any other non-conductive surface). I like using the bag the motherboard came in on top of the box. This keeps it out of my shag carpet really well.
2) make sure your CPU is installed and the heatsink fan is plugged in the correct location. If it is plugged in the wrong fan power connector the motherboard won't know and will shut down to protect the CPU from heat.
3) Install one stick of the correct type of RAM that is certified by your motherboard manufacturer in slot #1. This is the slot that is closest to your CPU. It is extremely important that the RAM you use is certified for use. Most major brands of MOBO's work with most major brands of RAM, but off brands of either get flaky.
4) remove all add-on cards from the motherboard including video card
5) Hook up the power supply to the motherboard for both 20+4 pin connector and 4/6/8 pin CPU power (the yellow/black power cable) Make sure your power supply is venting air correctly before you turn on the computer.
6) Plug in your monitor only to the back of the computer. No USB devices, no sound, no keyboard, no hard drive, no optical drives, absolutely nothing else.
7) Here's the tricky part. You need to power on the computer. Since there is no power switch, this must be done by using a screwdriver (make sure it's properly insulated with a rubber/plastic handle) to short the pins that start the computer.
Reference: http://attachments.techguy.org/attachments/145236d...
Use the screwdriver to connect pins 8 and 6 on this example (YOUR COMPUTER WILL BE DIFFERENT, LOOK IN THE MANUAL)
If the computer powers up and you see the first signs of it trying to load the BIOS or operating system Great! Everything you're using right now works and something else is the problem.
If it doesn't boot, something you're using is not working. Are there any beep codes with short/long beeps?
If you want to swap out a piece of RAM or any other piece of hardware in this setup to test it, make sure you completely unplug the power supply and wait 30 seconds for the electricity to drain completely from the motherboard's capacitors.
Good luck :)
- sabatiniLv 45 years ago
whats up we had an identical undertaking as quickly as I tries to place in my first ram even I even have one million.5 gig you will possibly desire to reset the bios then setting up the 2nd ram to reset bios seem at your motherboard handbook
