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Computer won't turn on (I even did the lamp test thing)

 
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Jon Kent
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Joined: 27 Apr 2005
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PostPosted: Sat Dec 22, 2007 5:47 pm    Post subject: Computer won't turn on (I even did the lamp test thing) Reply with quote

Hello, all - Let's see: I have a HP A000 that won't turn on. I push the button and... nuttin. Here's what happened: My wife wanted me to rearrange the room and I did. It required my unplugging and moving a lot of stuff, including the pc. When I put everything back together the computer no longer worked. No error messages, just nothing. No whirring or spinning or hopeful coughing, just silence. The only thing that happens is that a little green light at the back on the power source thing flashes green when it is plugged in. Other than that, nothing else.

Any suggestions?

Thanks much,

Jon
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Rocke_T_Sinetist
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PostPosted: Sat Dec 22, 2007 6:46 pm    Post subject: Reply with quote

I've never seen an HP with its clothes off and don't know the significance of their lights. Did it flash when it was working right, or could that be an error code?

Open the box and ascertain that all the connectors, particularly from the power supply, are securely seated. Moving it across the room shouldn't have broken anything but apparently it did. Unplugging/replugging stuff in the winter when it's dry is an opportunity for static to destroy chips, I hope that's not what happened.
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Jon Kent
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Joined: 27 Apr 2005
Posts: 12

PostPosted: Mon Dec 24, 2007 11:27 am    Post subject: Reply with quote

Rocke_T_Sinetist wrote:
I've never seen an HP with its clothes off and don't know the significance of their lights. Did it flash when it was working right, or could that be an error code?

Open the box and ascertain that all the connectors, particularly from the power supply, are securely seated. Moving it across the room shouldn't have broken anything but apparently it did. Unplugging/replugging stuff in the winter when it's dry is an opportunity for static to destroy chips, I hope that's not what happened.



No clue what the light on the back did prior to this week.... I guess I'll just disconnect and reconnect stuff till I give up. Sound good?

Thanks,

Jon
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Rocke_T_Sinetist
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PostPosted: Mon Dec 24, 2007 1:16 pm    Post subject: Reply with quote

Perhaps HP has online diagnosis instructions, like at least explanations of the lights.

Can you physically feel the switch click? The bezel could have become misaligned, and the button no longer actually hitting the switch. Dell 5100s have an issue with that.
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Jon Kent
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Joined: 27 Apr 2005
Posts: 12

PostPosted: Mon Dec 24, 2007 3:01 pm    Post subject: Reply with quote

Rocke_T_Sinetist wrote:
Perhaps HP has online diagnosis instructions, like at least explanations of the lights.

Can you physically feel the switch click? The bezel could have become misaligned, and the button no longer actually hitting the switch. Dell 5100s have an issue with that.


I took off the face-plate thing and pushed the little button on the inside and it works no better than the larger plastic official "button" on the front. I mean it clicks normally but no power. Also I emailed the HP helpdesk people but they didn't actually answer the question about the blinking lights.

Jon
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Rocke_T_Sinetist
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PostPosted: Mon Dec 24, 2007 3:58 pm    Post subject: Reply with quote

Sorry, I don't know the HP topology or what the light means.

Unplug, cycle the voltage selector (if so equipped). This restarts Dells one time out of 100. If the switch itself clicks chances are 995 out of 1000 it is good. Make sure the board it is on is plugged into the motherboard, at both ends of the wire.
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100pcob
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Joined: 29 Dec 2007
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PostPosted: Sun Dec 30, 2007 4:13 pm    Post subject: Reply with quote

Whenever I repaired HP's, the only two reasons it wouldnt power on was either a) the power cord was loose on either end, or b) the 120/240v switch was at the 240v setting.

The 240v setting is especially common when receiving a new power supply from HP; once you switch it back to 120 it is fine. Other than those items, you might have a bad power supply, bad/switched off extension cord, bad outlet, etc. etc.
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Nomoredells
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Joined: 07 Apr 2006
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PostPosted: Mon Dec 31, 2007 3:12 am    Post subject: Reply with quote

The green light is on the back of the power supply, its kind of like the green light on a dell mobo, tells you that its got power. If the light flashes and goes off then it could be the power supply has gone bad, if your lucky. Dell isnt the only one that uses cheap stuff, I could rant forever about Bestec power supplies, they are crap. I have seen all too many HP, Emachines, etc with the mobo fried because of the these cheap things.
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