I've got an Intel based system here, specs in a moment, that suddenly stopped working right with its DVDRW drive. It would read discs, but wouldn't burn them. So I replaced the drive, and noticed that the system was also exhibiting issues on startup. Specifically, during the process of logging on to the domain, it would sometimes take upwards of 5-7 minutes for the desktop to appear. If I boot to safe mode with networking, logging in is instant. We tested the network, there's no authentication issues at this time.
Also troubling is that the system has a 25% CPU load (spread out, not on any one core) due to the "system" process. Since the system is a quad core (one of the i5 quads) that's roughly 25% of the total CPU capacity just for that one process. CPU temps aren't really affected, and I can't find any reason for this problem.
I've run a Sophos anti-rootkit, Malware Bytes, and a full CCLeaner. I've also run a full system file checker (no issues) and a full chkdsk (also no issues). AV is Microsoft Forefront.
I cannot for the life of me figure out what is causing this issue. I'm not an Intel guy primarily, but I've *never* run into this sort of issue on an AMD system before.
I want to avoid reloading the OS, but seeing as how I'm running out of programs to test the system with, I don't see that I have any other choices. The user's data is vast, out of a 640GB WD HDD, he's got about 385GB of data that he can't lose on here.
System Specs:
Intel DP55WB motherboard
Intel Core i5-750
PNY GeForce 8400GS Fanless Video Card (PCIe)
4GB Kingston PC3-1066
Western Digital 640GB HDD
Samsung DVDRW Drive
Antec 80Plus 350 PSU
There are several other systems identical to this one, this is the only one with this issue, and only recently - the user has been using it for a while now without any problems.
I've also tested the PSU, it's fine - voltages are all within spec. CPU/Motherboard temps are also fine.
Also troubling is that the system has a 25% CPU load (spread out, not on any one core) due to the "system" process. Since the system is a quad core (one of the i5 quads) that's roughly 25% of the total CPU capacity just for that one process. CPU temps aren't really affected, and I can't find any reason for this problem.
I've run a Sophos anti-rootkit, Malware Bytes, and a full CCLeaner. I've also run a full system file checker (no issues) and a full chkdsk (also no issues). AV is Microsoft Forefront.
I cannot for the life of me figure out what is causing this issue. I'm not an Intel guy primarily, but I've *never* run into this sort of issue on an AMD system before.
I want to avoid reloading the OS, but seeing as how I'm running out of programs to test the system with, I don't see that I have any other choices. The user's data is vast, out of a 640GB WD HDD, he's got about 385GB of data that he can't lose on here.
System Specs:
Intel DP55WB motherboard
Intel Core i5-750
PNY GeForce 8400GS Fanless Video Card (PCIe)
4GB Kingston PC3-1066
Western Digital 640GB HDD
Samsung DVDRW Drive
Antec 80Plus 350 PSU
There are several other systems identical to this one, this is the only one with this issue, and only recently - the user has been using it for a while now without any problems.
I've also tested the PSU, it's fine - voltages are all within spec. CPU/Motherboard temps are also fine.