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Old 07-28-2018, 12:31 AM   #1
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Default weird computer

my nephew has a old computer. it has ddr2 and a am2+ processor it had a single core semperon processor in it it had one stick of ram in it. it was a single 2 gig ram. i had the old processor that celery gave me with the msi board. it had a 2 gig and a 1 gig stick on it. put it all together and the fans come on and the power light also. the computer won't start up. the monitor won't come on and the mouse doesn't light up. there is no beeps from the motherboard. i pulled the processor back out and placed the old single core in. took out the other stick of ram out and still nothing. other than the ram i put back in no other changes. monitor is not hd. its a dell, with a serial cable for its connection. i know its junk but i want to give him something to use till he can get back to work. help!
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Old 07-28-2018, 06:53 AM   #2
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So what you did was putting the 2GB stick on the MSI board, and then when it didn't work you put it all back together as it was originally?
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Old 07-28-2018, 10:31 AM   #3
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no i put that 2 gig stick into his old motherboard. i also tried the swap of processor . he had a single core and i had a duel core i could put in. when i couldn't get it to fire back up i put it all back to original and then it wouldn't start even then. the monitor and the mouse don't come on to work. i am wondering if i cooked the board with the upgrade as its a older model compaq. dated 2009. i went to hp site, and checked to see what could be used in it before i tried anything. it has windows 7 home premium in it with 64 bit and a 320 gig drive and all cinections are sata for the hardrive and dvd burner. i saw no blown caps and board and case both are really clean!
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Old 07-28-2018, 11:50 AM   #4
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Even when you put everything back it doesn't work? Make sure you are using the same memory slot. Maybe one of the slots is shot, and you are using that one instead of the one that worked before.

Also, since you swapped processors, check that you didn't bend any pins while manipulating it. Also, if everything is properly connected, then maybe you killed one of the components with an electrostatic discharge.

Try booting without essential components and go from there.
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Old 07-28-2018, 12:51 PM   #5
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i tried that,but nope. i guess i will be getting him another one...
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Old 07-28-2018, 12:53 PM   #6
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I guess, but you should know what you need to buy, or even if you need to.

Have you tried all the memory sticks on the MSI board? Just to check if they work.
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Old 07-28-2018, 01:28 PM   #7
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board is a asus m2n68-la and i found 2 that are a match. i have one more thing to look at and if that is ok, i'm going for another board. i will let you know. thanks for the help!

---------- Post added at 12:28 PM ---------- Previous post was at 12:26 PM ----------

i wish the msi board would work in that computer case. this hp has the board backwards and no way to mount it. sucks because its just sitting there.
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Old 07-28-2018, 03:39 PM   #8
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ok, just for kicks i put the msi motherboard in it. swapped the processor and ram everything hooked perfect. only thing i connected was mouse, keyboard, monitor and power. it came on, started loading and shut down. i double checked all the connections, it stays on about 30 seconds before it shuts off. the power button blinks blue/yellow. never saw the hard drive light on. the book says it needs 350 watts. his power supply is 250 watts. i am thinking the computer is running below wattage and voltage so it shuts itself off. do i have the right idea or am i pissing on a spark plug?
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Old 07-28-2018, 06:01 PM   #9
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I don't think it's missing any voltage. Current? Maybe. Which book says that?
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Old 07-28-2018, 07:32 PM   #10
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the book that came with the msi motherboard. it said it needs 350watts. thepower supply in it is only 250 watts. the cpu draws 95 watts itself!
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Old 07-28-2018, 07:44 PM   #11
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Maybe under full load... How would the motherboard manufacturer know how much you need? Common motherboards use 20W-50W... Makes no sense. I don't think that's the problem.

Try this though: https://outervision.com/power-supply-calculator
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Old 07-28-2018, 08:25 PM   #12
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that said 287 watts with 600 voltage, so say 300 or 350 should do it.
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Old 07-28-2018, 08:35 PM   #13
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600 volts? Are you gonna be distributing power to your while neighborhood?

Joking aside, all PSUs have the same voltages. A 12v rail, a 5v rail and another rail I can't remember now. The wattage is the important part.

Your wattage is fine, just try to focus on troubleshooting the other components, ok? The PSU is not discarded though. Unless it worked fine before, in which case it is.
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Old 07-28-2018, 10:31 PM   #14
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wth, i must have hit wrong digit. sorry. yeah, i think the 350 is more than needed myself but that program said almost 400 watts (378). so i get a cheap one and throw it in there and fire it up and blow it up...hehe won't hurt but everything worked. fans, hard drive starts and the startup of w 7 then quits. runs about say 30 seconds. sounds like something hot or under powered. cpu is cool to the touch. no caps look bloated board is clean. guess i will try and see what happens..
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Old 07-28-2018, 10:36 PM   #15
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The value you read is VA (Volt-amperes). It's of course higher than the Watts value.

I didn't know Windows was starting. You don't get BSOD, right?

Also, how are you touching the processor? Are you not using a cooler?
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Old 07-28-2018, 10:43 PM   #16
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cooler installed. have a temp gauge that uses red led to check temps. no bcod. i think it cuts too quick. i hear a click when it shuts off. can't figure where it comes from. not very loud.
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Old 07-28-2018, 10:45 PM   #17
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What did you change besides the processor? I mean if it was working before, I don't think only changing that would affect power consumption so much that it would stop booting.

Have you tried down clocking the processor and lowering the voltage?
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Old 07-28-2018, 10:56 PM   #18
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no i haven't tried that but that its a single core processor i wouldn't think it would draw as much wattage as a duel core. has two gigs of ram total. dvd burner lightscribe. 320 gig hard drive both of those are sata. one pci thats a ethernet. 10,100,1000. i know he wants to put a duel core in it. so thats a 95 watter so i need to keep that in mind. it has 6 usb's and 3of 4 are used on that back. he uses the front two for..i do not have a clue. has envidia 6110 video card.
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Old 07-28-2018, 11:11 PM   #19
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So why don't you just disconnect most things not necessary for the computer to work and check if the problem still persists?
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Old 07-29-2018, 10:26 AM   #20
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tried that already. for now i am waiting for new processor and power supply.
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