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Dear sir good afternon , i have a problem with my computer,that just now i change a power supply.bcose the old one fused. than i pluged well,as i start my PC i heard a beep. & monitor doesn't display.

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Thanks for your support.

i just change RAM & placed it to the near slot & after that i restart the computer,
now it is working smoothly,,.

tnx & regards

Posted on Dec 14, 2008

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Sir why a power supply become fuses and blast when computer vga and power cable is put in the cpu?

You have a serious electrical short in your computer which causes the fuse to blow.
Depending upon how old your computer is, it may not be worth repairing and in this case I suggest you put your money towards a new computer or laptop.

Aug 31, 2011 | Computers & Internet

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Does not power up. was on a surge protector. lost power in building several times during hurricane Irene

A surge protector is there to protect against high spikes in electricity and not fluctuations.

The possibility exists that the components were damaged due to fluctuations in the electricity received by your computer. It is for this reason that an UPS or Uninterruptible Power Supply would most likely have saved your computer as it helps provide your computer with a smooth supply of electricity.

One would assume that the power supply is somewhat toast however in most cases it is unfortunately the most fragile component that goes first, being the mainboard. See my published guide to help and diagnose the faulty components, entitled
My Computer is not turning on!!! Is it dead!!! No POST!!!

Make sure that the wall outlet is working, test it by pluging a device into the outlet, check that it is being powered. Also in some computer power plugs a Fuse is placed within the actual plug. If this is the case then you may be in luck as it would then be possible that the fuse is blown. One would then replace the fuse and presto good as new.

Let me know how it goes!

Take care!

Aug 30, 2011 | Acer Veriton 6800 PC Desktop

2 Answers

Computer was shut down and power turned off. When i restarted the system the printer and monitor came on but the tower is not getting any power. cords are all plugged in and checked outlet works. seems...


If the outlet is good and the cord is good, you may have indeed blown the fuse in the power supply. That is the only fuse. The fuse in the power supply is usually "hard-wired". Not necessarily, but usually. You would need someone familiar with them to replace it if it is blown.

Some computers have a green LED on the back of the computer near the power cord. Do you have one? Is it on? You can also look to see if the small green LED is on on the motherboard.

If you get no indication of power, the power supply is probably gone. A new on is about $25 and pretty simple to replace.

Hope this helps.

Thanks for using Fixya.

Feb 20, 2011 | HP Pavilion a705w PC Desktop

1 Answer

Computer not working. checked the power sup & its good. I see a light blinking in the mother board (next to the power connecter. How can I fix it?

Hmmm... if it won't turn on make sure the power button is pluged into the motherboard correctly.. if it is already and your computer still won't power up try switching out the power supply because sometimes they only go out partially, i had that happen with my old computer, the pwer supply only powered half the motherboard and unfortunantly it powered the cpu but none of the fans and completely fried my processor. Hope this helps, Daniel

Oct 25, 2010 | Computers & Internet

1 Answer

Computer is pluged in but the green power light is not on

Check your power supply. Could have burned out. If it is good then you have a motherboard failure. hope this helps.

Jun 13, 2010 | Dell Dimension 5100 (D51L1) PC Desktop

1 Answer

I have No pOWER nOR are there any power lights at all either. What then is suggested? thanks

check your systems fuse and voltage settings first!

Some power supplies have remote start switches that go bad as well.

The smaller HP's use proprietary power supplies but you can look for them online at places like ebay and get them for a good price.

The bigger HP boxes have more standardized power supplies and you can go to local computer parts places like Microcenter to buy proper replacement units. You might even bring the old unit in for testing!

Dec 16, 2009 | HP Computers & Internet

2 Answers

I replaced the power supply and now my cd drive does not work and isn't recognized on the computer

Why did you replace the Power supply. Was the cd working before. Try going to the bios to see if it is being recognised.You made sure the power cord is pluged in good. Try another power cord, Mabe the Power Supply is defected..Just a guess. Or mabe something with the mother board. Try you cd in another computer just to see. I do computer work all the time and there could be a number of problems. You just have to take every avenue to see where the problem lies...Good Luck...Darren

Oct 10, 2009 | Dell Dimension 3100 PC Desktop

1 Answer

On pluging on the main AC pluf, there is not

do you have the cord plugged into the computer? is there a switch on the back near the power supply? if so, is it on? is the large connector from the power supply tightly latched to the mother board? (unplug the computer before you check this!) any fans running? plug a lamp into the outlet and see if it has power! could be a popped breaker, or blown fuse.if you feel confident of your skill, remove the power supply, open it up and see if it has a fuse that may be blown. if so, replace it with a fuse of the same type (size & amperage). if the fuse was blown, and you re-install the power supply and it blows again, then you have a problem (probably) with the power supply, and if cost effective, it needs replacing! get a compatible power supply with a higher power rating, if you can! more power for your peripherals!
good luck!

Sep 28, 2009 | Compaq Evo D510 Minitower (Open Box)...

1 Answer

My pc cannot turn on.

Get yourself a new one with new power supply new quad core new hard one terra evething new for a few dollars time change computers are something very different nowadays nothing to do with 10 years old machines....enjoy todazy life is not forever...;

Aug 19, 2009 | HP Hewlett Packard Pavilion Slimline...

1 Answer

Tower wont power up with blinking green light in back

The blinking green light could be the network connection. They will show power even if the computer's not running, as long as the power cable is connected. There are on/off switches on some power supplies on the back of the computer, so check and make sure it's on. Does the fan on the power supply come on? If not, your power supply has probably failed. If it's over 2 years old, there's a good chance it could die. Additional cards and (USB) devices can draw too much power and wear out the power supply. Some power supplies come with fuses, but they are usually soldered to the circuit board inside the power supply case. Make sure you let your computer have plenty of air since heat can ruin it as well. If your power supply fan does spin up, then there could be a lot of different things wrong, and they could be expensive to fix. It could cost $50 to $100 for a repair shop to give you a better answer.

Dec 22, 2008 | HP Computers & Internet

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