Freeware Hardware Diagnostic Tool

AI Suite II is a comprehensive suite that includes five very useful applications from Asus..
Download AI Suite II 1.02.15 (from Hardware Diagnostics)

29.4 MB | For Windows 7, Windows 8 / Vista / XP | Free

USB Device Tree Viewer is a small application which interfaces with the Microsot "USBView" developer tool which provides detailed information about connected USB devices. A review of USB Device Tree Viewer has also been published.
Download USB Device Tree Viewer 4.7.1 (from Hardware Diagnostics)

| For Windows 7, Windows 8 / Vista / XP | Free

ASUS Fan Xpert is a software application that allows you to control and customize the fan speeds of your computer. A review of ASUS Fan Xpert has also been published.
Download ASUS Fan Xpert 3.00.01 (from Hardware Diagnostics)

4.4 MB | For Windows 10 | Free

HWMonitor is a small and free system monitoring application which can keep tabs on different components and sensors on a Windows PC. A review of HWMonitor has also been published.
Download HWMonitor 1.63 (from Hardware Diagnostics)

1.2 MB | For Windows 7, Windows 8 / Vista / XP | Free

CPU-Z is a free system and hardware diagnostics tool which provides a number of details about your current PC setup including processor (CPU), memory (RAM), motherboard chipset and your graphics adapter. A review of CPU-Z has also been published.
Download CPU-Z 2.19 (from Hardware Diagnostics)

3.5 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

OCCT (---- OverClock Checking Tool ----) is a free and open source tool used to test the stability and performance of computer hardware, including processors, graphics cards, and power supplies. A review of OCCT has also been published.
Download OCCT 16.1.9 (from Hardware Diagnostics)

6.57 MB | For Windows 7, Windows 8 / Vista / XP | Free

Lenovo Diagnostics is a suite of diagnostic tools that can be used to test the hardware components of a Lenovo computer..
Download Lenovo Diagnostics 4.45.0 (from Hardware Diagnostics)

28.9 MB | For Windows 7, Windows 8 / Vista / XP | Free

Do you wonder what gaming or graphical processing power unleashes on your PC/Laptop hardware?.
Download ChrisPC Win Experience Index 7.26.0412 (from Hardware Diagnostics)

2.7 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

If you ever have an issue with disconnected devices still being recognized by Windows, then GhostBuster is a useful tool which can clear them. A review of GhostBuster has also been published.
Download GhostBuster 1.0.10.0 (from Hardware Diagnostics)

968 KB | For Windows 7, Windows 8 / Vista / XP | Free

Access system diagnostics while tuning a PC system is critical for obtaining top performance. A review of SpeedFan has also been published.
Download SpeedFan 4.53 (from Hardware Diagnostics)

1.18 MB | For Windows 7, Windows 8 / Vista / XP | Free