Freeware Hardware Diagnostic Tool

BlueScreenView is a simple and freeware application which gives Windows users some insight into what caused the infamous blue screen of death. A review of BlueScreenView has also been published.
Download BlueScreenView 1.55 (from Hardware Diagnostics)

0.06 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | 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 1.62 (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

Sidebar Diagnostics is a utility that displays information and diagnostics on the components of your computer directly on the desktop. A review of Sidebar Diagnostics has also been published.
Download Sidebar Diagnostics 3.6.3 (from Hardware Diagnostics)

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

Tweaking. A review of Hardware Identify has also been published.
Download Hardware Identify 2.5.0 (from Hardware Diagnostics)

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

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

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

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

StressMyPC is a great portable freeware application with a simple premise: test how long your PC battery can go before the battery dies. A review of StressMyPC has also been published.
Download StressMyPC 5.71 (from Hardware Diagnostics)

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

If you're wondering about which programs and hardware are installed on your PC, then WinAudit can provide you with the information through its easy interface. A review of WinAudit has also been published.
Download WinAudit 3.4.3 (from Hardware Diagnostics)

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