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Compaq Evo - No Video


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#1 dylanj_nz

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Posted 19 September 2008 - 04:41 PM

Hi All

I recently purchased a second hand Pentium 4 Compaq Evo, with no hard drive or memory. I added compatible memory, and a 20gb hard drive. When I press the power button, the computer powers up and makes all the right noises, but it doesn't beep.

And, there is nothing shown on the screen. No BIOS, no OS, nothing. I've tried removing the hard drive, checked the monitor was working, removed all cables except power and display, but still, nothing. I even tried a working PCI video card. The memory and the hard drive are in perfect working condition, I've tested them both.

Full specs:
Compaq Evo D500 - http://www.dt.net.nz/data/files/computer.jpg
Pentium 4 1.5GHz
128mb PC133MHz SDRAM
20GB Hard Drive
Nvidia Riva TNT2 of some sort

So, can anyone help me to find out what is wrong?

Thanks

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#2 garmanma

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Posted 19 September 2008 - 06:26 PM

The manual I looked at says it has an AGP graphics card
http://bizsupport.austin.hp.com/bc/docs/su...8/c01124478.pdf
Maybe they wanted to keep it and they threw something else in it
Try a fresh motherboard battery, and leave it out for5-10 minutes
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#3 dylanj_nz

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Posted 19 September 2008 - 07:35 PM

The manual I looked at says it has an AGP graphics card


Yes, but I thought i'd try taking it out, and trying a PCI one.

#4 ComputerWhizz7

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Posted 19 September 2008 - 07:41 PM

First of all add more RAM, just to help the computer run quicker.

Second, have you tried an AGP video card yet?

My guess from what you have told us is that the BIOS is set to boot from AGP first therefore goes straight to the AGP slot and looks for a card.
I came, I saw, I conquered. - Julius Caeser

#5 dylanj_nz

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Posted 19 September 2008 - 07:50 PM

First of all add more RAM, just to help the computer run quicker.


Heh, 128mb is temporary :thumbsup:

Second, have you tried an AGP video card yet?

My guess from what you have told us is that the BIOS is set to boot from AGP first therefore goes straight to the AGP slot and looks for a card.


You're exactly right, but I don't think I have any AGP cards. My friend has one which I can get on Monday.

But, I don't think that the video card is the problem, as the computer does not beep. Compaq computers have been known to beep and flash lights when there's a problem with something. I think that this tends to suggest that the motherboard or CPU (Or both) is faulty.

Also, I tested the PSU, and it's in perfect working condition.

CPU/Motherboard then?

Edited by dylanj_nz, 19 September 2008 - 07:52 PM.


#6 garmanma

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Posted 19 September 2008 - 08:47 PM

Try a fresh motherboard battery, and leave it out for5-10 minutes


They're cheap
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#7 ComputerWhizz7

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Posted 19 September 2008 - 09:58 PM

Motherboard could be the issue. I have a compaq and yes it makes noises when there is something wrong with it. I would try the battery idea that has been suggested. Where did you buy the computer from? You should take it back and get the seller to fix the problem unless it was stated.
I came, I saw, I conquered. - Julius Caeser




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