BSODs for client but not me

tre

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So last week a customer brought their tower in. They aren't exactly tech saavy so the best I could get out of them was "it's giving me error messages." No problem, I fired it up and saw that Vista was installed twice. One install on the large partition looked to be riddled with viruses. The other install was a fresh install, although it was installed on the recovery partition, so it was already completely out of room. The customer explained that he's fed up with the computer so he wants it just completely reset. I nuked and paved and sent him on his way.

I get a call the next day from the customer and he says it's still giving him the error messages. I was able to determine that he was referring to blue screens. Strange that it was happening right after a fresh nuke and pave, but I told him to bring it on back so I can take a look. The two things installed since I gave it back was Norton anti-virus and a Kodak printer. I ran the system for a few hours and was not able to get the BSOD. I ran the system through full hard drive and memory diagnostics, and it got a clean bill of health. Now I've heard many horror stories about Kodak printers, so I suggested that the customer not hook the printer back up and see if the problem goes away.

He calls back the next day and says its still happening even without the printer attached. Whats worse is he said that 4 times out of 5, the system will BSOD on bootup. When he does it get it booted, it BSODs within a couple of minutes. I ask him what he has plugged in. Keyboard, mouse, monitor, and ethernet, nothing else. I have him read me the BSODs and they are just generic stop errors, the kind that can be anything. The customer tells me he tried two different monitors, so I asked him to bring the computer in with his mouse and keyboard, since thats the only difference between how he has it hooked up and how I do. The customer brings them in along with the monitor just in case. I hook it all up exactly how he does, sure enough, no BSOD for me.

At this point, I schedule an onsite with him, but tell him to not hook up his cable modem when he gets back. If it doesn't BSOD, it's gotta be something with his cable modem. If it still does, I'll take a look when I show up for the onsite.

Sure enough, he calls back and lets me know it BSODed. At this point, the only remaining variable is the power. Before I go for the onsite, does anyone have any suggestions at all? I've never seen something like this before.
 
I just had one like this a couple weeks ago. I don't normally sell towers, but when a lady brought her P3 and her son-in-law installed Linux on it.... It was slow and a mess. For some reason DHCP was disabled, but I offered her a P4 tower and data xfer for $100 or so.

She took it and had problem after problem with it. She'd bring it back and it looked fine to me. She'd take it home and it would lock up. She came to the shop and saw it work fine; I went to her home and saw it lock up. She had tried different monitors/keyboard/mice, the whole nine yards. I even loaned her a UPS to rule faulty power out.

Luckily, I picked up another tower and brought it with me on that visit. It worked fine so I gave it to her.

I haven't bothered to touch the original system.

Good luck with yours, <Evil Laugh>.
 
I've had one similar to you Tre, but with a laptop, it would BSOD at the client's house, and her sister's house which was next door. Anywhere else it was perfectly fine, mine, and at all her friends too!

I eliminated power, because it would do it on battery too!

My laptop was perfectly fine there!

Twilight zone stuff!
 
Maybe it is a EMF

Maybe it is a EMF (Electromagnetic Field) Is it to close to a TV, radio, cordless phone, another computer or even outdoor high voltage power lines. I have a keyboard that if you get another keyboard within three feet of it the computer goes crazy with errors and tones. Check the grounds on the outlets you may have good voltage and current but no ground. EMF's do funny things I had two of those touch type lamps in the living room and every time the dishwasher in the kitchen would cycle the lamps either turned on or would turn off.
 
::facepalm::

The computer was plugged into the same outlet as the microwave. I moved the microwave to the other side of the room, replaced their power strip with a proper surge protector, and voila.
 
Here is one for you. I built myself a new core I5 system a few months ago. I noticed that i would get a blue screen eveyday day. After doing every test I could and even changing the timing on the RAM. To make things interesting the blue screen messages where all different.
In the end it turns out that when I first turn on the computer and surf the web on any browser the computer will crash. Now after that the computer works fine for the rest of the day . Go figure.
 
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