Weird problem with laptop and mains electric.

  Cara2 00:04 21 Apr 2009

Really odd problem. Or is it? Wonder if anyone can give any suggestions please?

Business laptop failed due to a 'spike' in electricity. Replaced with a used laptop using the same operating system - XP.

Replacement laptop comes up with all manner of errors when hooked-up in the workplace. I have not personally seen this happen, but this includes the blue screen and error messages such as 'fat 32 ....'.

However, when hooked up at home, it is perfectly okay. Have tried laptop powered by battery only, in the workplace, and it seems okay. It is only when hooked up to electric.

But we also have a desktop computer which works perfectly well on the same ringmain (think that is the expression!).

Really confused. Any help appreciated please!

  ronalddonald 02:22 21 Apr 2009

indeed, hmm very strange indeed, hmm indeed very strange

  Strawballs 04:27 21 Apr 2009

The replacement laptop should have come with it's own transformer, you are not using the one from the old one are you?

  woodchip 09:06 21 Apr 2009

could it be the mains adapter or a cable you use at work

  peter99co 09:40 21 Apr 2009

All electrical items should be checked at the workplace before use on mains by a competent electrician. Any plugs/leads that is.

  OTT_Buzzard 10:53 21 Apr 2009

Does plugging in to the work network make a difference?

  Cara2 14:03 21 Apr 2009

Thanks for replies.

Laptop is complete with own transformer.

My husband has tried every which way plugging it in all over the workshop with the same erratic result, although Desktop comp remains stable.

Tried it at home again last night with no problems.

We don't have a network as such.

Completely at a loss on this.


  OTT_Buzzard 15:58 21 Apr 2009

From the sounds of it you've got a dodgy socket at work. Your desktop may be ok because it either has a better power supply which is more capable delivering a power, or you desktop power requirements may be lower (unlikely!)

Try plugging your laptop in at work very early on the ringmain - as close to the circuit breakers as possible. This will hopefully eliminate the effect of anything else on the ringmain drawing too much power.

  Cara2 21:00 22 Apr 2009

Okay, it is sorted ... kind of ..

Someone pointed out that the laptop appeared to be trying to connect wirelessly to something somewhere. Whatever it was, was fatalily
disabling the laptop - it was going ape both visual and audio.

The orange button (wireless internet connection) was pressed and hey presto with almost tangible relief and great sigh from the laptop (well, so my husband says!) it proceeded to function normally.

Now what is that about? In addition to which it was only affected when hooked up to mains and not by battery.

Does this make sense at all? Certainly switching off the wireless internet has made all the difference. (We are not connected to the internet at the workplace).

  grey george 21:55 22 Apr 2009

When you say workshop is there welding taking place there, or in other units near by?
Arc welding can make a lot of noise/pulses on the mains circuit (might have cause the initial spike that killed laptop 1). It's remotely possible that it may generate intereferance in the wi-fi frequencies. Also the power saving settings on the laptop may switch off wi-fi when on battery so you don't get the problems, which maybe with the wi-fi itself or as stated above.

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