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Tech Helproom


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Dead PC - won't boot :-(


Ian in Northampton

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The electrician just did something that caused the PCs in the house to fall over. Most have come back, but my son's is as dead as a doornail - no sign of power to it. I'm guessing that there's nothing I can do as it's likely a power supply problem (or worse) - but I just thought I'd put out an urgent cry for help, just in case there's something simple/obvious that I'm overlooking, like a fuse... (Yes, I've tried different power cables and different sockets - still no joy).

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Ian in Northampton

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Thanks all again. Conny: no - LOL! He was wiring in a new electric shower. Lotvic: 'electrician' is only one of our builder's many 'talents'. He's running late with us on a job with a deadline of Tuesday, so decided he'd better work today. Taff: thanks - I think... :-( Fingers crossed it was the PSU - I really don't feel like affording more.

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onthelimit1

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Easy enough to check - remove the main 20/24 plug and short out the green lead to any black. Simulates pressing the power button. Fan within the PSU should run. Not a 100% check, but should give you a clue.

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Ian in Northampton

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Thanks otl1. It's late now, and I'm gonna bung it into our local (and very good) PC repair guy first thing tomorrow. I'll mark as 'solved' but will try and come back with an update.

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woodchip

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If the Electrician used a Earth Leakage Tester on the House Wiring he may be responsible under is Insurance to pay for any Damage he caused/

One like this will put 500Volts though the wiring under test

Read Details of the tester

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Ian in Northampton

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Thanks guys. woodchip: I don't know what he did, but it definitely wasn't that.

Jock1e: good thought - but no, I checked and re-checked the switch on the back.

It's in the repair shop now, and I'm nervously awaiting the call...

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Ian in Northampton

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Well, it was a blown power supply, as we suspected. Remarkably, the blown power supply also blew the three power leads I tried to get the PC going. Inevitably, as always with PCs, life got slightly more complicated... The guy replaced the PSU, but the machine still wouldn't boot. Turned out that one of the SATA cables had worked slightly loose and, as the PC is set up in a RAID configuration, apparently it won't boot if any of the disks seem to be missing.

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Fruit Bat /\0/\

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Regarding SATA leads my old PC (7yrs) used to freeze every now and hen as a SATA lea to one of the drives loosen.

Cured the problem by using the leads that have a locking clip on them.

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Ian in Northampton

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It never used to happen with the old technology... :-)

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Fruit Bat /\0/\

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Afraid it did - IDE cable would work loose an Pc would hang at BIOS sometimes with message like "Verifying Pool Data"

:0)

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Ian in Northampton

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Fruit Bat /\0/\: let me rephrase that...

It never used to happen to me with the old technology... :-)

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