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#1
System running very slow intermittently
Starting a few weeks ago, my system started suddenly running very slowly (e.g., taking 15 minutes to shutdown). But it's oddly intermittent—sometimes it seems to run almost normally, and sometimes (like this morning) it takes quite a long time to startup and when it does, Aero is suddenly disabled.
What's even more odd is that my computer can still run games fine, though I've sometimes run into issues when I try to exit them.
I've run a complete system scan with Malwarebytes and Microsoft Security Essentials. I did a full chkdsk and repair (found a few bad sectors). I did a Memtest86+ and found nothing. I did an /sfc and it also found nothing (though it failed to run properly a few times before I got it to complete). I updated my drivers for both my ethernet adapter and my video card.
I'm completely at a loss for what seems to be causing my system to behave so badly.
Operating System
Microsoft Windows 7 Professional 32-bit SP1
CPU
Intel Core 2 Duo E7300 @ 2.66GHz 32 °C
Wolfdale 45nm Technology
RAM
3.00 GB Dual-Channel DDR2 @ 399MHz (5-5-5-18)
Motherboard
Gigabyte Technology Co., Ltd. EP45-UD3R (Socket 775) 39 °C
Graphics
HP 2159 (1920x1080@60Hz)
512MB GeForce 9600 GT (EVGA) 54 °C
Hard Drives
932GB Western Digital WDC WD10EZEX-00RKKA0 ATA Device (SATA) 31 °C
233GB Seagate ST3250410AS ATA Device (SATA) 36 °C
Optical Drives
TSSTcorp CDDVDW SH-S223F ATA Device
Audio
Realtek High Definition Audio