bad processor

A few days ago, I went to boot up my PC and it turned on but my display was black and not getting any input. So over the next few days I tried the following: - New graphics card - New PSU - New HDMI cables - Reseat RAM, GPU, and all cables multiple times. I get no beeps, no warning flashes on...

A friend of mine gave me a Dell Inspiron P91G001 laptop for free as suddenly the computer would not output to either the screen or HDMI, and the keys would light up for about 5 seconds before the computer would shut down. There are no led flashes showing on the charging port. When I opened it...

I'm hoping someone here can help me fix this issue. Every now and then my computer will randomly crash with this message Microsoft says that it's a memory failure but their memory tool has indicated that my RAM is fine. Other research points the video card which is a Nvidia GeForce GTX 560...