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The Computers DEAD!!! sometimes

By sam3 ·
A friend bought a new "barebones system" with power supply,128 meg mem,500 mhz. chip, onboard modem and sound,agp video card,keyboard,mouse. No monitor,no harddrive.
I loaded(copied) all her data on to a larger harddrive,tested it for a few days and gave it to her.
First night online, Bam! it goes dead in the middle of sending email. I mean no power, dead, press the power button nothing happens.

When I come over the next day, remove all the cables, take out the cards, plug in the power, fires right up. But now the onboard modem won't work. replace with a isa modem ok.
Couple days later.... late at night sending email Bam dead again. reseat mem, reseat cards.... Ok it works.
Couple days later... dead as a doornail! ( when she goes touse it.
Call tech support. After a bit of back and forth, he says,"send it back, we'll check it here.) I send the box back.
He runs it straight for 10 days even downloading LARGE files (using HER AOL software, and id.)not a problem.
Back it comes, I bring over my surge protector (with tele connectors) connect everything (her old monitor, her old HP Deskjet printer)it runs fine till I leave, BUT you guessed it, DEAD that night in the middle of sending email. and wont go back on.
I tell her to remove all cables in the back (incl power,monitor printer) wait 1 min. and then plug inpower cord only. Its on. I tell her plug in ONLY monitor,keyboard,mouse,power. It goes dead!
Help!!!!!!!

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The Computers DEAD!!! sometimes

by Some Guy in Seattle In reply to The Computers DEAD!!! som ...

Sounds like there may be a problem with power loads. Try running the monitor and PC on different circuits (different wall sockets). Also look to see if any other large devices/appliances are running on the same circuit in the house. TVs are usually the big culprit since they suck down so much power.

Hope that helps,

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The Computers DEAD!!! sometimes

by Some Guy in Seattle In reply to The Computers DEAD!!! som ...

Just to add an update, my reasoning here is that this PC seems to work fine at the PC repair shop. This tells me it is unlikely not to be the PC itself. Another answer below suggested using a power line conditioner/surge protector/UPS. These should be standard for anyone in the event of power spike or "ripple" on the DC (fluctuating DC - as in 12VDC =/- 1V. This does cause problems, especially at low currents) caused by fluctuating AC (I speak from experience having lost a hard drive due toa spike from a lightning strike).

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The Computers DEAD!!! sometimes

by Some Guy in Seattle In reply to The Computers DEAD!!! som ...

Dang typing problems:

- "This tells me it is unlikely to be the PC itself."
- 12VDC +/- 1V

Sorry!

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The Computers DEAD!!! sometimes

by sam3 In reply to The Computers DEAD!!! som ...

I tried the surge protector idea still crashed.

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The Computers DEAD!!! sometimes

by freetech In reply to The Computers DEAD!!! som ...

another two possibilities:
first, it really sounds like your power supply is flaky. next time it craps out, unplug it from the wall and let it sit for several hours. if it boots after the interval, it's probably p/s related.
second, check your mobo for alignment inside the case. if any cards are not easily and fully seated in their slots, they may be slipping out as the connectors heat up. it's called chip creep.

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The Computers DEAD!!! sometimes

by sam3 In reply to The Computers DEAD!!! som ...

It never failed for the WHOLE time back at Clevland, Ohio running 10 days nonstop. Or at my house for that matter.
Just at her house.
Also, tried the "let it sit (everything connected overnight)unplugged from the wall. Next morning still dead, till I disconnect ALL cables. Then power button fires up, I turn it off, reconnect cables, restart and all is well, till the next "sudden death".

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The Computers DEAD!!! sometimes

by Big Ted In reply to The Computers DEAD!!! som ...

Sam

What is the power supply rated at? Some of these grafx cards etc pull a lot of power. Often, overloaded PSUs have a dela before you can start again.

Also, do you know the make/model of the motherboard/cpu/modem/etc.

What BIOS does shehave?

After the problem occurs, will hard reset of the motherboard (via the jumper specified in the manual) allow you to switch on again?

Let me know & I'll try to sort it for you.

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The Computers DEAD!!! sometimes

by sam3 In reply to The Computers DEAD!!! som ...

As I said before it works fine anywhere but HER apartment. I don't think power supply rating or BIOS version will be significant to the question.
But thanks for the help!

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The Computers DEAD!!! sometimes

by aronya1 In reply to The Computers DEAD!!! som ...

The more I think about your situation, the more I tend to agree with the first answer. Do you have a UPS?

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The Computers DEAD!!! sometimes

by sam3 In reply to The Computers DEAD!!! som ...

It turns out it finally failed at my place!

Checked the current at her place its fine

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