Question about HP Bestec ATX-1956D 200w HP Part No 0950-4106 (ATX1956D) Power Supply

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Green light flickering no startup psu shot ?

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I just went through that and it was the power supply

Posted on Oct 06, 2010

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Posted on Jan 02, 2017

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Green light is on pwr suppy. +12 and +5 volts a little low. Power_On volts goes from +4.8 to 0 at startup on 24 pin pwr connector.computer beeps 3 sec.off and on till turned off. HP Pavilion 7955


Pavilion 7955 , 1997 year.a very old Pentium 4 , Desktop the PSU is bad.
its only worth for the trash, any P4 puter, it's junk .

4.75vdc is low as is allowed.
did you jumper test the PSU first.

the MOBO and thE PSU can both turn it off.
so can shorted modules, remove all not needed things first.
dvd , and all hdd .
all usb.
all memory but 1 stick in bank 0
even remove video card. if it has one, must now turn on.

unplug the 24pin, and place the jumper seen here
the PSU must run, if not the PSU IS TOAST.
if it does run we top the mobo unloading, of all things that can short out..


http://www.pcdied.com/power.html#Jumper

Oct 21, 2017 | HP Computers & Internet

1 Answer

My Sharp 32 inc turn off suddenly, power green light turn to red, went turn on again screen ok for 5 to 10 second and start blink 3 time and screen turn off and power light change back to red. What...


sounds like something is shorting and the safety on the psu is kicking in.is the backlight behind your screen flickering prior to it cutting out. if so sunds like a cft has gone faulty. can be fixed though

Jun 08, 2011 | Sharp Aquos LC-46D62U 46 in. LCD HDTV

1 Answer

Pc not starting from pressing power on. Green LED for SB_PWR is on and when power switch pressed, fan & cool fan flicker momentarily but nothing happens. They do not spin. No LED light appears on front...


> PC had been suddenly powering off several times intermittently for a few days leading up to this state. Does this mean the PSU or Motherboard is at fault?

Yes, either CPU or PSU or motherboard are the likeliest culprits.

It's easier to try a different PSU than to try a different CPU or motherboard.

Nov 18, 2010 | ASUS K8N-E Motherboard

1 Answer

I have had my Philips Flat screen Plasma 42inch TV for about 4 years now and all of a sudden the TV screen will not come on all the tv is showing is the green light flickering and the sound comes through...


Yes, this is caused by a capacitor problem, take the tv apart and on the main PSU board the faulty capacitors will be evident by their bulged appearance. Andrew Eve

Sep 22, 2010 | Philips 42PF7220A 42 in. Plasma Television

1 Answer

Computer will not turn on....how do I check to see if power supply is faulty? I have power supply removed and have a tester to check for dc voltage etc


I just went through a heap of troubleshooting with power supply issues before swapping psu's and finding this was the solution to my problem. Had a closer look at my psu that was faulty, the green light was flashing on the psu, unplugged all components and thought that I now had a non-flashing green light on my psu, on closer inspection the light was actually flashing very fast so appeared to be an almost solid light...the psu was stuffed so replaced it and no more issues. If your power supply has a green light check to see if it is flashing when plugged into voltage with nothing connected to it. If it is a solid light then it is probably ok.

Jun 16, 2010 | Hi-Pro (HP-P401W) (HPP401W) Power Supply

3 Answers

Power light flickering


The power light flickering is normal. Most pc power lights flicker to show it is operating. Also your light on you cd rom or dvd rom will flicker when you put a disk in it. Try it now - put a disk into your cd rom [ or dvd rom if you have that] and watch the power light flicker.
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Apr 11, 2010 | Dell Dimension 4600 PC Desktop

2 Answers

I have a emachine PC. PowerSupply blew up. changed it still down


try to remove the memory and put it back again make sure put it fit and correctly

May 28, 2009 | Intel D845EPI (INTELKD845EPILPAK10)...

1 Answer

Power and fan run light flicker in front does not boot up


Relace the psu it's a dodgy Bestec ..replace it with a winpower psu 400 watt , they are cheap but they work better.

Mar 28, 2009 | E-Machines T1842 PC Desktop

1 Answer

LaCie Big Disk


Fixya is unable to suggest parts sources.

Dec 17, 2017 | LaCie 301294U 1TB Big Disk Extreme + with...

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