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HDD Sluggish and Always Writing

February 3, 2013 3:09:23 PM

Last week I was running Minecraft at frame rates of up to ~225, averaging ~100+. Over the past week, it has slowed to a crawl, along with many other operations. It seems the HDD is writing nearly constantly, and at times I have seen the disk usage in Performance Monitor at 99%. I have taken the following steps prior to coming here for aid:

Fresh install of Windows 8 (clean wipe of HDD)
Update everything (CPU and GFX drivers, Java; there doesn't seem to be a BIOS update available)
Cleared the page file (and disabled/re-enabled it)
Reseated the HDD and the RAM (2x4GB)
Removed and cleaned the CPU fan and exhaust fan
Disabled all unnecessary applications

Below are two screenshots illustrating the drop in FPS during play:

At first-load

After 2 minutes of play

Average frame rate before this issue arose

System Specs [Truncated | Via dxdiag]:
System Information
Time of this report: 2/3/2013, 10:46:02
Machine name: MOONBASE
Operating System: Windows 8 Pro 64-bit (6.2, Build 9200) (9200.win8_rtm.120725-1247)
Language: English (Regional Setting: English)
System Manufacturer: Hewlett-Packard
System Model: p7-1254
BIOS: Ver: HOL_715.ROM vHOL7.15
Processor: AMD A6-3620 APU with Radeon(tm) HD Graphics (4 CPUs), ~2.2GHz
Memory: 8192MB RAM
Available OS Memory: 7666MB RAM
Page File: 1419MB used, 10855MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.02.9200.16384 64bit Unicode

Display Devices
Card name: AMD Radeon HD 6530D Graphics
Manufacturer: Advanced Micro Devices, Inc.
Chip type: AMD Radeon HD 6530D (0x964A)
DAC type: Internal DAC(400MHz)
Device Type: Full Device
Device Key: Enum\PCI\VEN_1002&DEV_964A&SUBSYS_2ACF103C&REV_00
Display Memory: 4075 MB
Dedicated Memory: 498 MB
Shared Memory: 3577 MB
Current Mode: 1920 x 1200 (32 bit) (60Hz)
Monitor Name: HP w2408 Wide LCD Monitor
Monitor Model: HP w2408
Monitor Id: HWP26CE
Native Mode: 1920 x 1200(p) (59.950Hz)
Output Type: HD15

Disk & DVD/CD-ROM Drives
Drive: C:
Free Space: 885.7 GB
Total Space: 942.4 GB
File System: NTFS
Model: n/a

Drive: D:
Free Space: 1.4 GB
Total Space: 11.3 GB
File System: NTFS
Model: n/a

System Specs [Full | Via CPUZ]:

chkdsk results:

Windows has scanned the file system and found no problems.
No further action is required.

965057504 KB total disk space.
59469276 KB in 145882 files.
94232 KB in 45211 indexes.
0 KB in bad sectors.
322164 KB in use by the system.
65536 KB occupied by the log file.
905171832 KB available on disk.

4096 bytes in each allocation unit.
241264376 total allocation units on disk.
226292958 allocation units available on disk.

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