Lightning Struck PSU Harming Components?

Cortza

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Apr 26, 2013
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Hi, and thank you for reading this.

So the backstory: My pc was struck by lightning a few weeks ago. After that it wouldn't start. I bought a new set of components, but stupidly (trying to save money) tried to combine them with some of the parts that were affected by the lightning strike (hdd and psu). The system ran fine for a few days, then started giving bsod errors ("memory_management" was one of them, another was "attempts were made to write to read-only memory"; there were some others but they were more obscure). I ran memory diagnostic and it turned up "hardware problems". Something a tech guy noticed was the psu fan would slow down and speed up, and he said that was very bad. I tried another psu and saw that the voltages in bios were more stable (previously they would waver pretty constantly by about .01-.02 volts), but by this stage I had uninstalled the OS and was trying to re-install off of a flash disk. This isn't working as it claims there are corrupt files (I've done this before with success).

Is it possible the old psu has damaged my components beyond repair? Do I need to replace everything or should I start with the psu and hdd? Did the psu harm some files on the flash disk and I simply need to repeat the boot disk setup and start over with a new psu?

Note: I tested the RAM in another guy's computer and it worked fine on a single boot up.

My pc also had an APC surge protector at the time of the strike.

Here are the specs:

Motherboard: MSI-FM2-A85XA-G65
Hard Drive: Seagate Barracuda 250GB (ST3250310AS)
CPU: AMD A10 5800K
RAM: Mushkin Silverline 2x2GB Low Voltage 1.55v DDR3 1600
Cooler: Coolermaster Blizzard T2
PSU: Gigabyte 585w GE-P585-C2


 

hillmanant

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Mar 28, 2011
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Sounds to me like a MoBo issue. But a bad PSU can create all sorts of problems too, and if the fan is slowing down and such this is not good, I would either borrow a friends PSU and see if you can get it going or get a new one. take the HDD to a friends and install it on their pc and see if its recognized, while your there format it quickly, and if you have time run SeaTools and check the drive. When you are trying to install when does the errors start after the installation has started(Like when files are being expanded) or right off the bat after you boot(like does it boot to a blinking cursor)? I would try programming the usb again on a friends computer, and try re-installing that way, could be a few corrupt bits and bytes on the USB. Power surge could have damaged the programming on the BIOS chip on the board too, try updating the BIOS see if that gets you anywhere. Just a few things to try but a guys gotta start somewhere.
 

Cortza

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Apr 26, 2013
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10,510


The errors start when the files are being expanded, like 10% or so. I'll try reloading windows 7 on the flash disk and booting with a good psu. Hoping is isn't the mobo.
 

hillmanant

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Mar 28, 2011
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I would just install strait from the disk, if the machine has a reader or you have another machine you could rob one out of, this would eliminate one potential problem. Installing from USB is great for builders because its quicker but when your doing just one machine you spend more time programming the USB and installing than just installing off the disk in the first place. Kinda pointless for one unless your trying to slipstream drivers or take out parts of the program with nLite.