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Computer won't boot


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#1 Stereolove

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Posted 15 May 2011 - 06:18 PM

I accidentally knocked my computer on its side and at first it would work for about an hour or so. Then it would suddenly freeze and blue and yellow lines would appear on the screen. If I did a force shutdown, it would work for a couple of hours, then freeze again. Now, it has blue lines on the screen as soon as I turn it on. It always freezes right after the Windows 7 logo comes on and it says "Starting Windows".

I have a lot of important information on my hard drive, so I don't want to try to restore it if I can, and I think it might be a hardware issue anyway. I'm short on money as well, so I'd rather not buy a new computer or have to hire a technician. Does anybody know if it can be saved?

I don't know many computer part names, so can you help me out in a way I can understand? Thanks!

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#2 cryptodan

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Posted 15 May 2011 - 06:31 PM

Those would indicate a video card problem.

#3 dc3

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Posted 15 May 2011 - 06:39 PM

Since you knocked this computer on its side I'm betting that this is a desktop?

Would you please post the make and model of this computer?

Did you inspect the rear connections of this computer to see if anything is bent, broken, dislodged or unconnected?

Are you familiar with the internal components of your computer and would feel comfortable checking for problems there?

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#4 Stereolove

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Posted 15 May 2011 - 07:07 PM

Yeah it's a desktop.

It was originally a Dell Window's Vista but I upgraded it to a Windows 7.

I opened it and checked inside, everything seems to be in place. There are two disconnected wires, but they look like they're supposed to be (since theres no place for them to be connected). I don't know what it's supposed to look like inside though.

@cryptodan: Would the video card cause the freezing as well?

#5 cryptodan

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Posted 15 May 2011 - 07:11 PM

Yes it would cause freezing if it gets hot.

#6 Stereolove

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Posted 15 May 2011 - 07:20 PM

Can I buy any video card or does it have to be the same exact one?

#7 cryptodan

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Posted 15 May 2011 - 07:22 PM

You can buy one, but you will need to know the output power of the 12v rail's when buying one on your power supply.

#8 Stereolove

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Posted 16 May 2011 - 12:47 PM

I checked the power supply on my desktop and it says:

Input: 100-120v_/9A, 200-240V-/4.5A
Output: +12V---/18A, +3.3V___/17A
Max Power +5V---/22A, +5Vaux---/2A
300W -12V---/0.8A
+5V&3.3V Total Power Output can't exceed 160W

Does that mean my power supply is 160W?

#9 cryptodan

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Posted 16 May 2011 - 12:51 PM

Well the only one that needs to be paid attention to is the +12v rail. You can get a card that requires less then 18amps, which isn't that many. I would recommend a new PSU and a new video card.

Is this a Dell Case?

Can you provide the Service tag number?

#10 Stereolove

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Posted 16 May 2011 - 02:00 PM

It is a Dell, service tag number is CN-0WX093-69861-7A9-10CB

#11 cryptodan

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Posted 16 May 2011 - 02:06 PM

That is not the service tag number.

#12 Stereolove

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Posted 16 May 2011 - 02:15 PM

Sorry, I believe I found it on a sticker on the back: H0F 46F1

A sticker on the top also has a code: 0YK196

#13 cryptodan

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Posted 16 May 2011 - 02:24 PM

Follow this: http://support.dell.com/support/topics/global.aspx/support/en/identifyyoursystem?c=us&cs=04&l=en&s=bsd&~mode=popup

#14 Stereolove

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Posted 16 May 2011 - 02:39 PM

Oh found it on another sticker, the service tag was correct: H0F46F1

#15 cryptodan

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Posted 16 May 2011 - 02:45 PM

You have a slim tower and would need a power supply to match case design. I would contact Dell and see what they recommend.




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