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My computer turns on, but won't boot up.....sometimes. Help

by Rayzen / May 27, 2005 10:43 AM PDT

I have a Tiny (they went out of business, here in the U.S.) computer, and am running Windows XP (professional). The computer has an Athlon 1.3 GHz processor, and 256 Mb of RAM.

When I try to turn the computer on, it will start up (the little green light on the tower comes on, and I can hear the hard drive or maybe just the fan running), but the system will not actually boot up. If I keep trying over and over again, it will eventually "kick in," and boot up. Is there a battery in the computer that is running down, and should be changed or something? If so, I didn't know it, don't know where it is, and haven't changed it since I've had the computer, which has been several years, now (probably about five years or so). Has anyone ever had the same problem, and knows what I might check? Any help would be greatly appreciated.


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Some questions.
by Papa Echo / May 27, 2005 11:09 AM PDT

# Has it always been like this ?
# Does the red light (disk activity) comes on or blink ?
# How long have you waited for it to boot up ?
# What is on the screen after you turn on the computer and while you are witing for it to boot up ?

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see above
by w6fr / May 28, 2005 6:00 AM PDT're describing the classic battery failure. Be brave, open up the tower, look at the mother board and you will find a shiny, circular disc about the size of a half a dollar coin in a snap in holder. Lift it out but note the orientation as it is polarized. Replace it with the same type number you should find it at Radio Shack and a bunch of other sources. Good luck!


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by Mary Norwood / May 28, 2005 6:29 AM PDT
In reply to: see above

I just had the same experience with my IBM thinkpad not booting up. I'm running Windows XP professional.
Could this also be a battery problem. I did finally get it going after running the IMB complete diagnostics test with everything passing. I've also experienced difficulty getting it to come out of hibernation.

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battery replacement sorta works.
by autocreeper / April 19, 2009 4:28 PM PDT
In reply to: see above

I found this thread while searching for the problem that my computer is will turn on, but nothing happens.

I replaced the battery and it fired up. Went into the SETUP to put in new values for date/time, etc and then tried to restart - failed again.

Took out battery, put it back in...fired back up. Tried to restart, failed. Took out battery, put it back in...fired back up.

What is going on?

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As machines age they will develop issues like this.
by R. Proffitt Forum moderator / April 19, 2009 9:40 PM PDT

The question is whether its worth the cost of a new power supply, motherboard or such parts to fix it. Your tests show it's some hardware issue. Is it worth fixing? What's the budget?

My guess is that at the shop about 300 to 500 USD.

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by autocreeper / April 20, 2009 2:43 AM PDT

You think it could be the power supply? I have another one, maybe I will try that. Just doesn't seem like it could be that from the behavior.

I tested all the memory already.

The power supply always comes on though - so I figured it couldn't be that.

It is looking more and more like a new motherboard is in my future.

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The power supply coming on is 10% of the tests.
by R. Proffitt Forum moderator / April 20, 2009 2:57 AM PDT
In reply to: stuff

For the rest we have to use a voltmeter, put the PSU under load and measure again. Once in awhile we'll have to put the voltage rails on an oscilloscope to measure noise.

But most shops will just do the swap test and see if that's it. If not they tell the owner its the mainboard.

In closing, what voltage is your BIOS or RTC BATTERY at?

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by autocreeper / April 20, 2009 5:37 AM PDT

I'm afraid I'm going to have to do some research in order to figure out how to conduct these tests: "In closing, what voltage is your BIOS or RTC BATTERY at?"

I'll get back to you in a bit.

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by autocreeper / April 26, 2009 10:50 AM PDT

Just picked up a clue! The computer wouldn't turn on...I happened to have the speakers turned on and it started to talk to me...a female voice said: "System Failed. CPU Test."

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