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The domestic fuse blew in this house and the PC doeesn't work, I have changed the 13 amp fuse with no success, is there a trip in the PC? The computer is a Presario SR1000 desktop

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If while switching your PC on the fuse blows means you have to change the power supply of the computer - PowerIC short in the powerunit

Posted on Jul 08, 2008

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Lenovo desktop PC Power supply probems after changing voltage setting from 230V - 115V


If your country uses 240V mains then flicking the switch to 115V bypassed a voltage divider and probably blew the fuse in the power supply. If you are comfortable working with mains voltage, you can pop the PSU open and check the fuse. If it's blown then just get another one with the EXACT same ratings and you should be up and running again.

If it's not the fuse then you have bigger problems and it's time to replace the PSU. Any PSU should work as long as the wattage is the same as the original or higher.

Also, you could call Lenovo to see if the PC is under warranty. If so, the PSU is probably a user replaceable part, meaning they will send you a new one to put in and you just send the old one back.

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Tough one, but inspect the motherboard for a blown capacitor. You could test the power supply with a simple voltmeter. Not to mention simply seeing anything lit with the case open while powered one. gl

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MPC model D945GCZ serial:4237231-0001 INTEL


It should at least beep. Those beeps are diagnostic codes. Listen to the beeps and google 'bios error beep codes'. If it doesn't beep, the motherboard must be replaced.

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Switched the power on but switched the 230 setting on the back to 115 by mistake then it blew dont know what ive caused but could you help


You probably blew the fuse in the power box where the plug ,and 115/230 switch is. unit must be dissambled, as well as the power box. there should be a fuse inside. If you can't do it take it to a repair shop. If you can ,make sure the new fuse fuse is the same amperage.

Feb 17, 2010 | HP Compaq d530 SFF PC Desktop

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Front usb port got shorted now multiport card reader is inop and front and rear usb ports won't work with some devices


unplug the PC, look inside on the board for a small glass-body fuse and replace it with the exact rating the one that blew had i.e. volts and amps

Feb 01, 2010 | HP S3120N Pavilion Slimline Desktop...

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Help


If your power cord starts to melt before the fuse blows it means you have *way* too thin power cables. Then the fuse probably blew because of a short to ground due to the melted insulation. This is one of the things that can start car fires.

I use cables of similar thickness as jumper cables to my slightly bigger amp, maybe a little overkill but better safe than sorry.

Good luck!

May 28, 2009 | Northgate (STAX2517C2) PC Desktop

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Wireless don't work,I can only use internet explorer when ethernet is plugged in.I have good signal from my server box in either way. [ airmax 101


first of all change your wireless settings again.if it`s vista choose WPA,if it`s xp choose WEP.Try the channels from 3,6,9,11(and 13 if it`s available depends on your country).disable MAC security if it`s on. try connecting now.try to use internet.if not then goto start - run - .cmd - enter..type ipconfig.ping the default gateway,if successful then ping 4.2.2.2 ,if successful then ping www.yahoo.com.all ping statistics should say sent = 4,received = 4,lost = 0.if not u need to disable all securities like firewall and antivirus.update adapter`s driver & router`s firmware.provide fixed IP under wireless network connection and DNS server address should be 4.2.2.2 & 4.2.2.3. restart your computer it should work.if it doesn`t then change ur wireless settings again and connect without security.
come back for more advance steps if it doesn`t work.also provide model of router. Thanks..

May 27, 2009 | Acer PC Desktops

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Hello - wondering if you can help - my packard bell U TOW-SAN computer gave a huge bang yesterday - blew the house fuse. When switched on again - it gave another huge bang and now refuses to switch...


Definitely the power supply. However, it could have damaged the motherboard as well but you won't know until you replace the power supply.

Thanks and please take a moment to rate as fixya.

Jul 06, 2008 | Packard Bell PC Desktops

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