Computer Hope
Hardware => Hardware => Topic started by: bakura82 on June 23, 2007, 01:55:17 PM
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Compaq Evo D51c (HP lists as D510 Minitower) (http://h20000.www2.hp.com/bizsupport/TechSupport/Home.jsp?&lang=en&cc=us&prodTypeId=12454&prodSeriesId=316510)
Previously: Time seems to have made the problem worse. Originally, I could get to the RAM check with some jimmy rigging. I could not boot, but I did verify the problem is not RAM related.
Currently: No self test POST beeps. Black screen only.
Checked the power supply and came up with weird values:
Compaq 220 watts power supply, PFC, dual voltage
OEM Part #277910-001
Replacement part #277979-001
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BRW (5.9V) | BRW (6.0V)
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BLU (0.0V) | BRW (6.0V)
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BLK (0.0V) | BLK (0.0V)
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WHI (0.0V) | RD (10.4V)
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BLK (O.0V) | BLK (0.0V)
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BLK (O.0V) | RD (10.4V)
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BLK (O.0V) | BLK (0.0V)
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xxxxxxxxx | GRY(10.3V)
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RD (10.4V) | GR (10.3V)
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RD (10.4V) | OR (23.3V)
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I don't know why the orange line is 23.3V. That makes no sense to me. All the ATX diagrams I have seen show a max of 12V. Also, the Peripheral Power
Connectors are outputting 23.3V.
Does this mean my power supply is gone? If so, I have spares, but for different comps. What do I need to match so I can make sure another supply will be compatible?
Thanks!
Esteban
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It may or may not be gone but at 220Watts i'd replace it just on principle.
There are basically 2 styles ...20 and 24 pin.
Since a 24 pin can be used on an older machine i'd suggest that one if you plan on upgrading.
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It may or may not be gone but at 220Watts i'd replace it just on principle.
There are basically 2 styles ...20 and 24 pin.
Since a 24 pin can be used on an older machine i'd suggest that one if you plan on upgrading.
I have a couple other supplies. I am not sure how to determine if a PSU will work though. Is it okay if it is a different wattage?
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why, of course :) that's why there's such a variety of PSUs out on the market.
Seeing as how your computer has a 220W psu, i'd just upgrade that to 300W. You could go to newegg.com for one. They have TONS.
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why, of course :) that's why there's such a variety of PSUs out on the market.
Seeing as how your computer has a 220W psu, i'd just upgrade that to 300W. You could go to newegg.com for one. They have TONS.
Still no POSTing...
I found an older 300W supply of mine. I plugged it in and the crazy thing is that I am getting all the same voltages I posted above +/- 1. Is it possible that my mobo is telling these power supplies to do something different or something. THis makes no sense to me. :/
Should all I be plugging in is the "main" 20 pin cable?
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why, of course :) that's why there's such a variety of PSUs out on the market.
Seeing as how your computer has a 220W psu, i'd just upgrade that to 300W. You could go to newegg.com for one. They have TONS.
Still no POSTing...
I found an older 300W supply of mine. I plugged it in and the crazy thing is that I am getting all the same voltages I posted above +/- 1. Is it possible that my mobo is telling these power supplies to do something different or something. THis makes no sense to me. :/
Should all I be plugging in is the "main" 20 pin cable?
Unless your motherboard has an ATX12V 4-pin connector, yes thats all the power the motherboard requires.
If the voltages are reading different from the PSU manufacturers specifications I'd suspect the motherboard, if it is indeed a problem.