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Discussion Starter · #1 ·
Ok, so I have had this pc for 4 months and there's a problem

The computer starts very briefly when I press the power button and then the led power button turns off but the fans run and my DVD drive can be opened and usb's work etc

I thought this was a power with the power supply until I tried my pc and it worked fine for a week while playing games etc.

On the DVD drive there is a green light that flashes then goes off at the same time the led power button goes off
is this a problem with DVD drive?

If it is the power supply how can I replace a slim pc's power supply?
I can't find any on the Internet.

SPECS:
Acer AX3400
windows 7
4gb ddr3 ram
1 tb hard drive
DVD super multi drive
nvidia geforce 9200
delta electronics 220w power supply
amd athlon 2 x2 215 dual core processor

thanks in advance :>
 

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How far do you get in the startup? Do you see POST? Do you hear any beeps coming from the computer? Can you get to the Windows desktop? Or does nothing appear on the monitor at all?

Power supply problems can be intermittent. It wouldn't be unusual for a PSU problem to appear only on occassion, and at other times not show up at all. But we should be clear on exactly what's happening before looking at the PSU.
 

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Discussion Starter · #4 ·
I don't get far enough into startup for anything todisplay on screen or hear beeps


When It does start I get one beep which is good I think

the video card came with the pc so I wouldn't think that's the problem :/

P.S I would get a better power supply but I can't find any for slim pc's
 

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So you're getting a beep but no display? One beep indicates a successfully completed POST.

It sounds to me like a video problem. I think your PC is starting and booting normally, but you're not seeing it onscreen. Check the cables connecting the monitor to the PC. Try replacing the cables if they seem secure.

Did you do any work inside the PC? Adding anything to it, or replacing anything, at all? Was it moved from one location to another? It could be there's a loose connection inside. Sometimes RAM not seated properly can cause these types of problems, or other cables.

Your video card might not be functioning properly either. You can also try to boot using VGA. Press F8 at startup, immediately after hearing the beep. Then press the down key until the cursor highlights "Enable low resolution video". Unfortunately, you can't see where your cursor is at. I'd try moving the key down 5 times and then pressing enter.
 

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Discussion Starter · #6 · (Edited)
No sorry I didn't explain that right

on the rare occasion that it does work, I get a beep.

When it doesn't boot I don't get a beep

my power supply is a switching power supply would that be a problem?

If it is the video card how would that explain the led power button turning off?
I havn't changed anything inside the pc but I have tested connectors etc
 

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Oh okay, so sometimes it beeps and sometimes not.

That changes things and makes it sound like a PSU problem. Can you try to find a slimline from Acer? I'm not sure they make one stronger than your 220W.

Slimline PCs have problems with PSU units because they're often proprietary.
 

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Not really. Your graphics card was mentioned. I realize your PC is an OEM, so it's the card they put in there. You might be able to swap it out for a slightly weaker card.

I'm not sure if you can buy a different, more standard case like an ATX mid-tower, or a micro-ATX sized case. Your motherboard might be tailored to that specific case. It might not fit in a larger case. If you could do that, you could put a slightly more powerful PSU in the case, but this might not even be possible for you.
 
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