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 Forum index » House Training » HOWTO ( Solutions )
HOWTO Test PC for hardware failures
Moderators: Flash, Ian, JohnMurga
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linuxcbon

Joined: 09 Aug 2007
Posts: 796

PostPosted: Tue 24 Dec 2013, 15:36    Post_subject:  HOWTO Test PC for hardware failures  

Hi,

I had Blue Screen of Death (bsod) in windows and also some "weird" freezes in linux.
I decided to find the faulty hardware.
You must test hardware one by one.

1/ CPU TESTING
When starting PC, in bios, I could read that CPU temp was too high (70 degrees or more).
(Only for experts : I opened the pc, removed the cpu, put some more "Thermal Paste" , and put the cpu back.)
I insert a cd with : ULTIMATE BOOT CD
I run CPUburn.
Select cpu kind (normally is auto detected).
Let it run.
My PC will beep after 2 minutes because I set in BIOS "warning if CPU temperature > 60 degrees".
I let it run 5 minutes, the CPU didn't crash anything.
Press CTRL C to stop it, power off PC.
--> The bug doesn't come from the CPU.
But now, it keeps cooler with the paste.

2/ HARD DISK TESTING
You must first know the hard disk constructor .
Boot with ULTIMATE BOOT CD
I run the Western Digtal Utility (may vary for you).
I run the basic test, 5 minutes.
--> No bug, so Hard disk is OK.

There is also GSmartControl but pet download failed
http://murga-linux.com/puppy/viewtopic.php?p=746117

3/ MEMORY TESTING
Run the PC with only 1 (ONE) RAM module at the time
Boot with ULTIMATE BOOT CD
Run MEMTEST86+
Let run for 10 minutes.
One module was failing showing this :
Tst Pass Failing Address Good Bad Err-Bits Count Chan
4 0 1e9a4338 - 489.6MB 277aa3d4 277ba3d4 00010000 1
Type ESCAPE to quit program
--> So I had to throw the bad RAM away
I tested the other RAM, it was ok.

4/ DVD WRITER TESTING
I put a CD in good shape (no scratch and very clean) inside the cd burner.
I run this from puppy linux :
readcd -c2scan -ts=32k dev=/dev/cdrom
It shows HUNDREDS of errors.
--> DVD WRITER is dirty
I buy a cd which is special for lense cleaning.
Then I try the "readcd" again, it gives ZERO error.

ps : I asked Barry to include CPUburn and memtest86+ and GSmartControl, if possible. (GPL softwares)

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mikeb


Joined: 23 Nov 2006
Posts: 9008

PostPosted: Tue 24 Dec 2013, 16:16    Post_subject:  

A very industrious post...

Quote:
ps : I asked Barry to include CPUburn and memtest86+ if possible

not sure about cpuburn but for memtest86+ to do a full check it needs to run standalone from its own boot so not something to build into puppy but could be dual booted on the cd....eg type memtest at the prompt for isolinux for example.

Its easy to add to a multiboot usb which is what I have

mike
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