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 Home » Freeware Downloads » Hardware Testing, Diagnostics and Repair   
  File Name Rating Downloads
Last Update/Developer
CPU Core Overload v2.3
CPU Core Overload v2.3 CPU Overload will make the specified core of your CPU to work at maximum speed. This can have multiple purposes: stress test of your CPU, thermal overload, stability test, miscellaneous system and programming tests. This app is completely portable and can be ran from a USB stick, network folder or cloud folder.
5/5 3,735 Oct 08, 2019
Cubic Design
Defpix v1.4.10.17
Defpix v1.4.10.17 Defpix - Defective (dead) pixels tester is a free program that can help you with checking for defective pixels on your LCD screen. The program simply shows these colors - red, green, blue, white and black - over the whole surface of the screen. Defpix requires no installation and supports multiple monitor systems. Defective pixels are pixels on an LCD screen not performing as expected. The pixel is failing to reproduce light levels correctly. There are three different types of defective pixels: Hot pixels (always on). Dead pixels (always off). Stuck pixels (one or more sub-pixels are always on or always off).
5/5 7,381 Jun 06, 2019
HE - Hardware Read and Write Utility v1.22.2.25
HE - Hardware Read and Write Utility v1.22.2.25 A powerful utility for hardware engineers, BIOS engineers, driver developers, QA engineers, performance test engineers, diagnostic engineers, etc. This utility access almost all the computer hardware, including PCI (PCI Express), PCI Index/Data, Memory, Memory Index/Data, I/O Space, I/O Index/Data, Super I/O, DIMM SPD, CPU MSR Registers, S.M.A.R.T monitor, HDD physical sector , ATA Identify Data, ACPI Tables Dump, ACPI AML Code Disassemble, Embedded Controller, USB Information, SMBIOS Structures, PCI Option ROMs and MP Configuration Table. It’s a Windows base utility support Win7 / Win8 / Win8.1 / Win10 / Win11 This utility comes with ABSOLUTELY NO WARRANTY, it allows you to modify hardware settings, this may damage your system if something goes wrong. Author will not take any responsibility about that, you are on your own risk. How to use To run this program with all functions, you need HE.EXE, HE.INI. To run this program for minimum functions (PCI (PCI Express), PCI Index/Data, Memory, Memory Index/Data, I/O Space, I/O Index/Data, CPU MSR Registers, Physical Disk Sectors, ATA Identify Data, S.M.A.R.T Monitor, ACPI Table Dump, ACPI AML Code Disassemble, Embedded Controller, USB Information, SMBIOS Structures, PCI Option ROMs, MP Configuration Table), you need HE.EXE only, but some information will not be displayed, such as PCI vendor name... For Super I/O, HE will load the [SUPERIO] section in initial file HE.INI, and auto detect the system entry by entry, once the detection routine return success, the Super I/O function will be available to use, user may add new super I/O entries in HE.INI. For DIMM SPD functions, HE will load the [SMBUS] section in HE.INI, same as the [SUPERIO] section, program will detect the chipset to find out the SM bus controller, and the algorithm provided by this section support the DIMM SPD functions. Also, user may add new entries ...
5/5 2,844 Feb 28, 2022
HeavyLoad v3.9.0.352
HeavyLoad v3.9.0.352 Test Your PC The freeware stress test tool HeavyLoad was developed to bring your PC to its limits. It can be installed on any edition of Windows and client/server versions (32-bit and 64-bit) currently supported by Microsoft. HeavyLoad puts your workstation or server PC under a heavy load and lets you test whether they will still run reliably. Be mobile: Install HeavyLoad as a portable version e.g. on a USB stick and use it wherever needed! Stress Test for Your Most Valuable Systems Check your most important systems in advance to see whether they can withstand the highest loads. Tests for All System Components No matter if CPU, GPU, RAM, hard disk, or all of them together: HeavyLoad takes it to the limit! Easy to Use Thanks to an intuitive graphical user interface and visual feedback, no expert knowledge is required. Complete manual here. Changes: Version 3.9 2 May 2023 More languages for the user interface: The UI is now available in several additional languages. We would like to thank all of our translators who have contributed to making this possible! The intervals in which HeavyLoad stresses the system are now highlighted in the graph. You can now run all stress tests at once using maximum settings with the new so called “Maximum Terror Button”. A memory leak while executing the GPU-Test was fixed and overall memory consumption has been lowered. This download is for the 64bit version. If you need the 32bit version (older), download here. Click here to visit the author's website.
5/5 3,278 Jul 03, 2023
JAM Software GmbH
Intel Processor Diagnostic Tool v4.1.9.41
Intel Processor Diagnostic Tool v4.1.9.41 The purpose of the Intel® Processor Diagnostic Tool is to verify the functionality of an Intel® microprocessor. The diagnostic tool checks for brand identification, verifies the processor operating frequency, tests specific processor features, and performs a stress test on the processor. Supported Operating Systems: Windows Server 2012 R2 family, Windows 8 family, Windows 8.1 Family, Windows Server 2016 family, Windows Server 2019 family, Windows 10 Family, Windows 11 Family This download is valid for the product(s) listed below. Intel® Core™ i9-12950HX Processor (30M Cache, up to 5.00 GHz) Intel® Core™ i9-12900KF Processor (30M Cache, up to 5.20 GHz) Intel® Core™ i9-12900T Processor (30M Cache, up to 4.90 GHz) Intel® Core™ i9-12900HX Processor (30M Cache, up to 5.00 GHz) Intel® Core™ i9-12900F Processor (30M Cache, up to 5.10 GHz) Intel® Core™ i9-12900 Processor (30M Cache, up to 5.10 GHz) Intel® Core™ i9-12900K Processor (30M Cache, up to 5.20 GHz) Intel® Core™ i9-12900KS Processor (30M Cache, up to 5.50 GHz) Intel® Core™ i9-12900HK Processor (24M Cache, up to 5.00 GHz) Intel® Core™ i7-12850HX Processor (25M Cache, up to 4.80 GHz) Intel® Core™ i7-12700T Processor (25M Cache, up to 4.70 GHz) Intel® Core™ i7-12700KF Processor (25M Cache, up to 5.00 GHz) Intel® Core™ i7-12700F Processor (25M Cache, up to 4.90 GHz) Intel® Core™ i7-12700 Processor (25M Cache, up to 4.90 GHz) Intel® Core™ i7-12700K Processor (25M Cache, up to 5.00 GHz) Intel® Core™ i7-12650H Processor (24M Cache, up to 4.70 GHz) Intel® Core™ i7-12800HX Processor (25M Cache, up ...
5/5 1,835 Jan 16, 2024
LinX v0.6.5
LinX v0.6.5 A simple GUI for Intel® Linpack Benchmark. About LinPack The main point of Linpack is to solve systems of linear equations of the given size (Problem Size). It is designed as a benchark to test the performance of a system in GFlops - billions of floating point operation per second. But being highly optimized it is also the most stressful CPU testing program to date and is a great tool in determining stability/instability of a CPU, outperforming other CPU testing software at least time-wise. One and the same system of equations is solved repeatedly; if all results match each other - the CPU is stable, otherwise the instability is obvious, since the same equations system cannot produce different solutions. Overview of LinX «File -> Save Screenshot» menu item. Saves main window's screenshot into program folder in a PNG format. «File -> Save Text Log» menu item. During or after testing saves a text log with testing results into program folder. «File —> Exit» menu item. Exits the program. (Who'd had thought?) «Settings» menu item. Opens a window with Linpack's and LinX's additional settings. «Settings» window: Main Linpack Settings: -testing mode (32-bit/64-bit). By default is set to OS type; -Linpack rocess priority. Setting this value higher than «Normal» is not recommended; -number of threads Linpack creates. By default is set to the number of logical processors (including HyperThreading-cores); -data alignment. 4 KiB by default, equal to the page size in Windows OS; -optimal Leading Dimensions. The Leading Dimensions value will be set to the nearest odd multiple of 8 higher than or equal to the Problem Size value (supposed to produce better performance) Advanced settings. These are to be changed only if you ...
0/5 1,162 Feb 12, 2023
Aleksandr Gusev (Alexander Gusev)
Memory Checker v1.2.3
Memory Checker v1.2.3 A simple memory stress-testing tool. It is useful to test the reliability of your computer's main memory (RAM) under “high” load. Because the Memory Checker runs as a “normal” Windows application, it is very easy to use. See the limitations below. Disclaimer Memory Checker puts a high stress on your computer's hardware and thus may trigger hardware problems that otherwise would have remained unnoticed. Be patient when running this tool. Your computer may appear to be frozen but it is not. It is possible that this will cause your system to crash. In extremely rare circumstances even permanent damage or data loss is possible! In no event will the authors of this program be liable to you for damages, including any general, special, incidental or consequential damages arising out of the use or inability to use the program; including but not limited to loss of data or data being rendered inaccurate or losses sustained by you or third parties or a failure of the program to operate with any other programs. By running this program on your machine, you acknowledge and agree that the use of this program is at your own risk. Synopsis The Memory Checker program is invoked as follows: MemoryChecker.exe [OPTIONS] [<target_memory_size>[%]] [<threads>] Specifying the amount of memory to be tested and the number of threads to be used is optional. If not specified explicitly, default values apply. The amount of memory to be tested can be specified as a percentage of the total physical memory. Note: Its is highly recommended to close all other programs that are running on your machine before the Memory Checker tool is launched. Options The following command-line options are available: --batch: Exit the program immediately (i.e. do not wait for a key press) when the test has completed or failed. --continuous: ...
5/5 2,343 Feb 12, 2023
MemTest v7.0
MemTest v7.0 A free RAM tester that runs under Windows. It verifies that your computer can reliably store and retrieve data from memory. A correctly functioning computer should be able to do this with 100% accuracy day in and day out. A computer that fails these tests, perhaps because of old hardware, damaged hardware, or poorly configured hardware, will be less stable and crash more often. Even worse, it will become even less stable over time as corrupted data is written to your hard disk. By running MemTest you can ensure that your computer's RAM correctly functions. It is wise to test this when you buy a new computer, install new RAM, or change the configuration of your machine (for instance, to overclock it). Are you the sort of user who likes to push the performance of your machine to the edge? Relying upon whether your machine will boot after your new BIOS tweaks is a poor way to determine the safety of your new settings. Use Mem Test as a true test of stability. Click here to visit the author's website.
5/5 6,299 Feb 12, 2023
HCI Design
Memtest86 Free v10.7
Memtest86 Free v10.7 Industry standard for memory diagnostics. • MemTest86 is the original, free, stand-alone memory testing software for x86 and ARM computers. • Boots from USB flash drives to test the RAM in your computer for faults. • Utilizing algorithms that have been in development for over 20 years. • Industry standard since 1994. Features • 13 different RAM testing algorithms - including row hammer fault detection • All RAM types supported (DDR2, DDR3, DDR4, DDR5, SODIMM, XMP, ECC) • Self-booting off USB without needing DOS, Linux nor Windows • Optimized for UEFI-based x86/ARM systems • Native 64-bit code (since version 5) • Secure Boot verified – Code signed by Microsoft • Graphical interface with mouse input • Save logs and create customizable HTML reports • Full test automation via configuration file • Support for memory blacklisting in Windows (badmemorylist) and Linux (BADRAM) • Multi-language support (Chinese, German, Russian, Spanish and more) Notes: • IMPORTANT: MemTest86 V10.2 images support only UEFI boot. On machines that don't support UEFI, MemTest86 will not boot. Please download the older V4 BIOS release of MemTest86 instead. Windows USB v4.3.7 Windows Floppy v4.3.7 Windows CD image v4.3.7 Linux/macOS USB v4.3.7 Linux/macOS Floppy v4.3.7 Linux/macOS CD image v4.3.7 • Installation and usage instructions are available on the Technical Information page • MemTest86 is a stand-alone program that does not require or use any operating system for execution. The version of Windows, Linux, or Mac being used is irrelevant for execution. However, you must use either Windows, Linux or Mac to create a bootable USB drive. System Requirements • x86 (32/64-bit) or ARM64 based hardware ...
5/5 6,794 Apr 10, 2024
Passmark Software
Memtest86+ v7.00
Memtest86+ v7.00 The open source memory testing tool. Memtest86+ is a stand-alone memory tester for x86 and x86-64 architecture computers. It provides a more thorough memory check than that provided by BIOS memory tests. Memtest86+ can be loaded and run either directly by a PC BIOS (legacy or UEFI) or via an intermediate bootloader that supports the Linux 16-bit, 32-bit, 64-bit, or EFI handover boot protocol. It should work on any Pentium class or later 32-bit or 64-bit x86 CPU. Why test your RAM? Troubleshoot PC Instabilities Memory errors are one of the most common causes of crashes, freezes and instabilities. If you encounter such issues with your computer, testing your RAM thoroughly is probably the first thing to do. Memtest86+ uses various algorithms to reliably detect failures. It will let you know if your RAM is faulty or not. Ensure Initial Stability Before using your brand-new PC, putting your new server into production, or after having overclocked your CPU or RAM, it's often wise to make sure there are no memory issues. Troubleshooting issues later can be annoying, costly, and time-consuming. Licensing General Public License v2 Memtest86+ v6 is a unified, free, open-source memory testing tool, released under GNU GPL v2.0. The new v6 code base (originally called PCMemTest) was provided by Martin Whitaker, based on Memtest86+ v5, developed by Sam Demeulemeester. Both are now working on Memtest86+. Memtest86+ is unrelated to 'Memtest86', a closed-source software. For usage and troubleshooting: See the READ ME file. Changes: v7.00 Changelog IMC polling for live RAM settings Preliminary support for ECC polling Add support for MMIO UART Add debugging options Bug fixes &amp; optimizations This download is for the Windows USB Installer (32/64 bits) version. All other download assets are below: Linux: Linux ISO (32 bits) Linux ISO (64 bits) Linux ...
5/5 1,785 Apr 10, 2024
Martin Whitaker/Sam Demeulemeester
OCCT v9.1.3
OCCT v9.1.3 The most popular CPU/GPU/Power Supply testing tool available. OCCT is great at generating heavy loads on your components, and aims at detecting hardware errors or overclocking issues faster than anything else. A monitoring engine is also embedded, to ease diagnostic and see how your computer reacts under heavy load using graphs. OCCT is free for personal use only! If you are running OCCT in a corporate or commercial environment, you have to buy a PRO license to use OCCT. CPU:OCCT OCCT's own CPU test. Small data set is great at pushing your CPU to its limits, and Large data set is the best at finding errors quickly CPU:Linpack The famous Linpack test, known for pushing Intel CPUs to their limits. Not as great on AMD CPUs though, and less likely to pick up errors than OCCT GPU:3D OCCT's version of the furry donut, which includes a error detection mode for finding rendering errors automatically GPU:MEMTEST Exclusive OpenCL-based Memtest for testing your graphic card's memory ! Runs on any GPU (Intel, AMD, Nvidia) with OpenCL support. It is great at finding faulty bits, less at finding overclocking-induced errors POWER SUPPLY Combines CPU:OCCT and GPU:3D tests to stress your power supply and motherboard. This test is the most power-hungry included in OCCT. Useful to identify power-starved components ! Monitoring OCCT will monitor your computer and present you real-time graphs showing you temperatures, voltages, fan speed, frequencies, component usage, and power consumption during your tests. Built-in protection for your computer Worried about frying your components ? Turn the maximum temperature threshold in OCCT's options ! Should a component reach this critical temperature during a test, OCCT will stop itself immediately. Test report At the end of a test, you will be able to save a full graphical report of what happened during the test, for diagnostic purposes Changes: OCCT 9.1.3 Main Fixed a crash that could occur when copying the test log to the ...
5/5 3,546 Oct 12, 2021
QuickMemoryTestOK v4.24
QuickMemoryTestOK v4.24 A small but effective program to quickly check the RAM for errors before the warranty expires! Today you buy PCs with 16, 32, 64, 128, ... Giga-Bit RAM, but these are usually never used or addressed on most computers. For this reason, you should undergo a test, as long as the warranty does not expire. To make sure that there is no defective area in the main memory that you should use in the future. Or just test your Windows on the high memory behavior to provoke other system errors or so .... QuickMemoryTestOK Key Features: ◆ Memory Quick Test ◆ Pause test to monitor the PC with high RAM load ◆ Customizable test runs ◆ Clear display of memory status ◆ Keep the CPU's behavior in mind ◆ Access to essential memory and system functions Other options and specifications: ◆ Zoom: Visually-impaired and eye-friendly ◆ Very small program ◆ Low CPU usage ◆ Optional translation capability ◆ Portable ◆ Multilanguage Simple example for the use of the "memory quick test" Start the program. The first time, you will be presented with the default Quick Memory Test setting, but it can be customized at any time. You will be see all the relevant information about the current working memory and its use like in Windows XP Task-Manager. Start the memory test with the button "Start the Test", after the test start you can abort it with the same button "Stop the Test" and stop the memory test at any time. There is then still the button "Pause / Resume" to pause the memory test, to see how the computer behaves at a certain RAM (memory) load. Invalid or defective bytes are displayed. Changes: v4.24 // 27 December 2022 • Corrections in the RAM detection in the Memory Test Tool • Update of the language files in QMT The software is suitable for all Windows operating systems, x64 ...
5/5 4,932 Feb 12, 2023
Nenad Hrg
StressMyPC v5.33
StressMyPC v5.33 Free stress testing software for stress testing your PC. Let's see! How long can your laptop battery hold a charge? Or let your PC sweat like a .... ;) Warning! Unstable and overclocked systems can be crashed. Features StressMyPC : Start / Stop the stress-test Paint-Stress : Simple stress for the graphics (GPU) Aggressiv CPU-Stress : Aggressiv stress for the CPU(s) HD-Stress : Stress for the hard drive "StressMyPC" does not have to be installed and can be executed easily from the desktop. It's one small, portable utility for Windows PC-s and is also a small usb-stick friend :) Changes New in version 5.33 // 5 April 2024 • Small corrections in the PC stress tool on MS Windows 10 and 11 • Improvements in the stress test for various older processors / CPUs. Click here to visit the author's website.
5/5 8,964 Apr 08, 2024
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