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The start up switch is not working on my hp604x

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Hello, for your start up switch to work you will need to take your system to a repairer becaus eyou cant fix it yourself.

Posted on Dec 12, 2008

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I have to hold the start button in in order to keep it running


The switch might be faulty also could be dust clean your computer of all dust .

WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards.
Have a close look at the power switch for secure dust free connections you might even remove the switch to have a close look the replace it sometimes just cleaning and replacing things to there original positions gets them working again

Jan 07, 2013 | PC Desktops

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I too have a similar problem. The LED on the motherboard is on when power is applied. I think I've isolated it to the front chassis power and reset switch combination. The reset switch crumbled when I...


Both the reset and power switches are normally-open, momentary contact to operate. If you twist the reset leads together, it's the same as permanently holding the motherboard reset button pressed. You don't need the reset button in any case, so you don't have to worry about replacing the switch.

The LED on the motherboard indicates the presence of standby voltage, so the power supply is working to at least that degree. The power switch is only a signal to the motherboard to turn on the power supply and start the rest of the system operating. So if the system doesn't come on when you press the power switch, either the power supply is bad or something is preventing the motherboard from starting properly.

A quick test of the power supply is to ground the PS_ON pin in the output connector:

pgh_pa_guy_7.png

Unplug the connector from the motherboard and use a piece of wire or a bent paperclip to short the pin marked PS_ON to the ground pin on either side in the same row (not across to the other row, which is the standby 5-volt pin!). If the power supply is working, it will turn on and its fan will start running. This doesn't mean the supply is 100% good, but if it doesn't start with this test you certainly need to replace it.

If the supply starts this way but not when it's connected to the motherboard and you press the power switch, then you'll need to figure out why the motherboard's not starting. There may be something wrong with the board itself, or something connected to it is preventing it from starting. Removing parts and parts substitution will help you find the culprit.

As far as getting a replacement switch assembly, you might try Gateway support to find the assembly part number and see if they offer it for sale, or check eBay. Or you can try replacing the switch by itself. On some assemblies the switch is just held into the bracket by tabs, and companies like Digi-Key and MCM sell suitable replacements.

Jan 18, 2011 | Gateway 510 X (10272197) PC Desktop

1 Answer

My Philips IQON PC won't start up. There is power


Yes. Basically your power supply stops working. You really need to replace it.

Mar 09, 2010 | PC Desktops

2 Answers

The On 'start' button in a HP Visualise X class is not working


trace the wires back to the motherboard... disconnect... try another power switch... Good day

Mar 01, 2010 | HP Visualize X-Class (A1280A) PC Desktop

1 Answer

No monitor, not possible to switch out and blue light by switch doesn't work


No monitor then check the connection at the back of your PC. Hold the start button on your PC for approx 20 secs and it will switch itself off

Jul 10, 2009 | Fujitsu Siemens PC Desktops

1 Answer

BenQ computer start button doesn't work sometimes


Recommend replacing the switch with a new one. Usually the button is just a cover and mounted on the Chassis face. The real switch is behind the plastic button. You'd probably have to remove the front panel or go inside the Chassis to get at the switch. The switch will have a couple of wires that connect to the mother board "Start" pins. The wires can be unplugged from there.

Jun 10, 2009 | PC Desktops

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