PC beeps several times, Fan gets louder and faster and PC never boots. The monitor would stay black (not even blue). Its intermittent, and occasionally starts like there was never a problem. Other times, just beeps and beeps until I turn it off (with the fan screaming along).
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This could be an overheating processor problem,dependant on the motherboard and what the beeps mean.
The fan speeds up to cool it down, there may be dust collected in the heatsink on top of the processor, check it and gently brush off dust.
Check that the vents on the side are atleast 6 inches clear of anything for good circulation.
To see if it is an overheating thing, remove both sides of pc and run it in an open space to see if the same thing happens.
While you have the side off just check your memory and other peripheral cards are all seated correctly and not loose.
I had the exact same problem with my wife's computer. I used my air compressor to blow it out and it works good as new. I must say I am surprised at what a low tolerance this Dell computer has to dust. At first I did not think it would work for me because there was so little dust in the machine and hardly any on the heat sink, just a light coating. But after I blew it out it solved the problem.
I had this problem with an Optiplex 755, 6 beeps when I tried to turn the machine on and no image was shown on the screen.
I first thought it could be the video card, but I replaced and the problem continued to happen. Then I recalled that this problem started after we upgraded the memory for a 4GB RAM.
I noticed that after I removed one of the memory cards, the noise stopped. As posted on Dec 01, 2007, it might be a faulty memory.
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bad monitor none told but 2010 and older have CCFL lamps that 99% are all dead now, EOL>
test old monitor on other good PC, to see if monitor is bad
and see if the monitors OSD button is dead if is the monitor is dead.
power on mon, under15seconds hit menu and OSD must pop up.
that is 1 of 20 causes I can do 19 more and 19 more tests but I full stop here.
CCFL lamps die at 20000 hours, even 5 years old possible.
sound to me like a video problem. no beep codes, you hear the fan going so it must be posting. could you try with other monitor and or cable? is there power to monitor? reseat cable at both ends( monitor+ pc)
You would need to look at the BIOS manufacturers site for the beep code and it's meaning. You can also pull all the hardware out, memory HDD, CD/DVD and boot if you no longer get the error, power down and add one component back and boot. Repeat until you get the beep code again and you will know what the problem part is.
We had a power failure in the office this weekend. All the systems are back
up and running fine, except for the receptionists. It's a Gateway
Professional Series. P4 1.3 Ghz. It is giving me three beeps. No boot up
screen and no video source (monitor light stays yellow instead of turning
green). I looked up the beep code and it says three beeps means the ram
needs reseated. Which I have done several times. Also, I have just put in
one stick in difference seats. I have also reseated all the cards at least
three times. I have switched the jumper to try to boot into setup mode.
Nothing there either. Popped out the cmos battery and put it back in. No
Has all the ram been fried? The fan on the cpu is still spinning. The cd-rom
ejects. I can't hear the hard drive spinning. I guess I can swap the hard
drive for a different one.
check the board for blown capacitors. I have found many boards from power circuits to motherboard with popped capacitors over the past 5 or so years. replace them and tada, it lives again. I've been successful several times with this operation. Please see the picture below for a guide to finding bad caps.
was anything else installed like memory
does your screen just go black or actually shut off
try and click f8 continuosly while restarting see if that will get you into safe mode
If not you may need to reinstall recovery again
Try taking out your battery and leaving it out for 5 minutes. During boot press F2 to access BIOS to check your default video out source is LCD. Also try Fn+F5 to change the modes of video after you think windows is all the way booted up. Does it POST? When booting does the drives make noise then hear a beep. If it beeps it passed Power On Self Test.