I get following blue screen after running my laptop for an hour...
A problem has been detected and windows has been shut down to prevent damage
to your computer. [...]
Technical Information: *** STOP 0x0000008E (0xc0000005, 0x805B03F5, 0xF703DC7C, 0x00000000)
[...]
So how can I tell if this is faulty memory or some other hardware problem?
My laptop is a Toshiba Satellite A45-S250.
I seems that the stop code youve got is generally related to RAM, but not always so. Sometimes it can be caused by driver errors. I would recommend reading this About.com on STOP codes. It has helped me in the past.
Also, to test for a RAM error try running the Windows Memory Diagnostic. This should help you figure out if it is a RAM problem.
If you feel up to it, you can analyze your minidump files that are created when you get a bsod.
http://support.microsoft.com/kb/315263
Or you can upload your .dmp files somewhere we can download them to analyze for you.
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