Hi,
I'm currently using a Dell XPS 8300 PC (bought in 2011) running Windows 7 x64, which ocassionally crashes, and has weird issues as well. Everything worked fine until this began to randomly happen. I'm sure it is hardware-related. I suddendly can't move the mouse cursor, the computer's video simply freezes, but the HDD and the PC fans stay on. Generally no Blue Screens are displayed (This only happened once: it displayed the error IRQL_NOT_LESS_OR_EQUAL, with absolutely no additional information). After the PC freezes, I hit the power button once (without holding it), and it instantly shuts down (just as if I had cut the power supply). One time, however, the latter did not happen, so I held the power button, and after a few seconds it shut down. When I turned it back on, I got the Dell OLOD (blinking amber power button), and it wouldn't even display anything. After disconnecting the power supply for a few hours, I turned the PC back on and it worked again. I replaced the HDD with an SSD, installed a clean copy of Windows 7 there, and after some days or even months it began to freeze again. I ran Dell's diagnostics tool (included in the BIOS or something similar) and everything was ok. I ran Windows' RAM diagnostics tool and I got no errors either.
Also, I recently discovered that the Ethernet port isn't working. It is enabled in the BIOS settings, but its light won't blink when I plug in an ethernet cable, and Windows doesn't even detect it.
I got some weird video issues as well (I'm using an ATI video card). Sometimes the screen would black out and after less than 5 seconds everything became normal again.
I'm suspecting the MOBO is faulty, or maybe it's just the power supply.
Any Ideas? Thanks in advance
I'm currently using a Dell XPS 8300 PC (bought in 2011) running Windows 7 x64, which ocassionally crashes, and has weird issues as well. Everything worked fine until this began to randomly happen. I'm sure it is hardware-related. I suddendly can't move the mouse cursor, the computer's video simply freezes, but the HDD and the PC fans stay on. Generally no Blue Screens are displayed (This only happened once: it displayed the error IRQL_NOT_LESS_OR_EQUAL, with absolutely no additional information). After the PC freezes, I hit the power button once (without holding it), and it instantly shuts down (just as if I had cut the power supply). One time, however, the latter did not happen, so I held the power button, and after a few seconds it shut down. When I turned it back on, I got the Dell OLOD (blinking amber power button), and it wouldn't even display anything. After disconnecting the power supply for a few hours, I turned the PC back on and it worked again. I replaced the HDD with an SSD, installed a clean copy of Windows 7 there, and after some days or even months it began to freeze again. I ran Dell's diagnostics tool (included in the BIOS or something similar) and everything was ok. I ran Windows' RAM diagnostics tool and I got no errors either.
Also, I recently discovered that the Ethernet port isn't working. It is enabled in the BIOS settings, but its light won't blink when I plug in an ethernet cable, and Windows doesn't even detect it.
I got some weird video issues as well (I'm using an ATI video card). Sometimes the screen would black out and after less than 5 seconds everything became normal again.
I'm suspecting the MOBO is faulty, or maybe it's just the power supply.
Any Ideas? Thanks in advance
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