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SMPS reatart problem

Once the PC is switched off/ shut down it can not bw restarted. PC switch is OK. It starts only when the power plug is takenout for few minutes and put back again. Also, it works only if PC is started within 5-10sec of this, otherwise a faint LED remains on and PC doesent start. The SMPS is Quantum model -250

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When i see this error i simply put my windows cd in to the computer and boot from the cd. Then you will have an option to repair windows. This repair will fix the problem and you will not lose any of your data.

Posted on Jan 14, 2009

  • bryanjatko Jan 14, 2009

    sorry about this post i posted to the wrong problem. as for this problem try a diffrent power supply.

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1 Answer

Got a astec sa302-3505 power supply . . . need to know how do you add a switch to turn it on if its not connected to the motherboard


Simple, Just connect a switch to Green wire and one of black wire.
When the green wire got connected with negative (Black wires are negative) the SMPS Fan starts which is also a visual feedback to you that SMPS starts.

----------------------O /
Grean /
-----------------------O
Black

So simple..

Jan 26, 2010 | Astec 300w AT Power supply 190170-01...

1 Answer

Pc not switching on even after changing smps. even fan not switching on in smps


Dear,
You can test you smps simply by shorting any of the back wire and green wire. this will switch on your smps withour connecting with mother board. IF it the fan rotate, SMPS is ok.
If you need more trouble shooting on SMPS you have to measure the volate on each wire after powering on.
More info http://www.smpspowersupply.com/connectors-pinouts.html

Oct 13, 2009 | E-Machines 230W Micro ATX Power Supply,...

2 Answers

Power on is ok but when switch off not ok


They are lightly loaded and WILL take time to bleed off the charge on the caps.

Also switching power supplies MUST have a load on them or they MAY overvoltage.

Sep 07, 2009 | ASUS PSU | A-45GA 450W RT (A45GA) Power...

1 Answer

Packard Bell F9150 desktop power supply


open your cpu cover .
Then check your power led on motherbord blink or not also reattcha ll connection to motherbord.
check your smps fan is movinh when you switch on.
May be you have to change smps it is square box from with you attch power code.

Jul 17, 2009 | System Power Supplies

2 Answers

DO ANYBODY KNOWS WAT TO DO IF DISPLAY NOT APPEARS


The 280W may not be supportive enough for the computer requirements and is not diverting its power correctly to power the VGA part of the motherboard.

Jan 31, 2009 | Compaq Refurbished 280WATT POWER SUPPLY...

1 Answer

Compaq presario desktop computer sr1130nx on/off switch


To trouble shoot this problem,I would open the case and make sure the cable are tight from the power switch to the motherboard, you can do this by sliding off the front of the case.

Once the front case is off you should be able with a pen or pencil push the switch slightly to turn it on. But watch and see is how far down the on/off switch goes in.

Jan 21, 2009 | Compaq System Power Supplies

1 Answer

I need to know how to reboot my packard bell pc


Under the start menu there should be an option to shut down; restart; sleep. Use the restart option & it will start rebooting. If this does not work then close all your programs and hit ctrl+alt+del twice. This should start a reboot. Hope this helps.

Dec 21, 2008 | Packard Bell (190169) Power Supply

2 Answers

Pc will not power up


Swimmie
to chack ur power supply open all connector from system board and drive. then conect power cable with powr supply and powr on ur wall outlet switch. than take mother board connector find green color wire and take a small pice of coper wire and connect it with this green wire and a black wire. then chack smps fan is moveing or not if it's moveing then ur smps OK.

Jun 27, 2008 | Okia / 450-Watt / ATX / 80mm Fan /...

1 Answer

Turns on, then shuts down before anything shows on monitor


Hi ,
u check almost all ....
also check with u r power buton of front panel of pc if this button is get short then it is possible .....please disconnect switch from board & just short with any metal ....if u r pc is not geting shut down please replace rower switch ...


if this information is useful for u please Rate me........

Jun 14, 2008 | System Power Supplies

3 Answers

Presario S4020wm desktop


You need a new power switch. I am currently working on a S4020WM with the same problem. I cut one wire to the power switch, then used a paper clip to make a jumper to start the machine. It has run fine since then. The only trouble I am having is finding a replacement switch.

Sep 04, 2007 | Compaq (480082-001)...

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