Questions tagged [diagnostic]

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Can RAID 0 cause significantly more writes on one drive?

I use a Windows 10 laptop with two 1-TB SSDs mounted with RAID 0. I see in CrystalDiskInfo: SSD 1 SSD 2 Total Host Reads 8193 GB 8193 GB Total Host Writes 5295 GB 5383 GB Total Host Reads is the ...
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SSD S.M.A.R.T. (SMART) 'Soft ECC Correction' attribute high on newish drive - Is this normal?

On a 5-month old SATA SSD, the S.M.A.R.T. (SMART)* 'Soft ECC Correction' attribute's value is already large (58000). Is this normal? For reference, the 'Soft ECC Correction' attribute is SMART ...
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Disable bios check

I have a motherboard from a Lenovo (ST50 i think, Xeon cpu), now in use for a gaming computer. It has some extra non-lenovo memory installed ("unqualified DIMM"), prompting for "press ...
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Can I force Windows 10 to always boot in diagnostic mode?

I'm using an ASUS touch-screen monitor connected to a Windows 10 PC. Everything works, except that, every 1-2 minutes, the touch screen blacks out for about 3 seconds, then comes back. I've spent ...
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Random crashes to black screen after replacing GPU

After replacing the GPU to a newer model, I started experiencing seemingly random PC crashes to black screen. I've never experienced an issue like this before and I have no idea what part might be at ...
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2 answers
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Is there something like a "mile count" for HDDs/SSDs?

All my internal disks (3 SSDs and 1 HDD) are aging. My external USB ones (used for a complex backup scheme) are even older. Through built-in Windows command-line mechanisms, I am able to extract an &...
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Diagnosing an unresponsive/suspending computer

My work computer has recently started freezing up. I'll leave it running and at some point I cannot SSH to it any more and when I check on it in person, it looks much like it went to sleep (the ...
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2 answers
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Diagnostic procedures for fallen laptop

My laptop fell on the ground. I turned it on, nothing seems to be wrong. Going through Google search, many sites suggested looking for black spots on the screen or clicking sounds from the hard drive. ...
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1 answer
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Hardware Diagnostic Windows10 (System crashes / Black screen)

I very often have freezes of my Windows10 Computer, especially under heavy load (mostly in games). Symptoms: Black screen and sound repeating infintely. No more reaction on any key. Otherwise my PC ...
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Computer Stuck in Cold-Boot Double-POST Loop

Update 4: It appears as though my CPU isn't compatible with the backup BIOS, so this might explain why nothing appears on screen (https://www.gigabyte.com/Ajax/SupportFunction/Getcpulist?Type=Product&...
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What are some recommended steps to diagnosing UI latency issues in macOS?

I'm new to macOS and wondering the proper way to troubleshoot what might cause UI latency, such as the Emoji/Symbol tool provided in macOS Use Emoji and Symbols on Mac. This is accessed typically by ...
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Possibly broken switch ports, how to diagnose?

Preface: We have some weird behaviour in our home network. Some connections established seem to be rather unstable, but we still don't know, if the DSL-router or other components are the culprit. To ...
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Why is my Sony Vaio laptop randomly turning off?

These are the things I am seeing now. Sometimes, my computer turns on and can run for as long as a few days without ever the need for a restart or anything for that matter. Sometimes, when it is off ...
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-1 votes
1 answer
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Boot loop. Safe-mode stuck at fvevol.sys

One day, after creating a Linux bootable USB, I noticed that at start up I got an error message from avastui.exe "The application was unable to start correctly (0xc0000005) Click Ok to close the ...
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low level diagnostics for audio

My laptop's internal speaker has stopped playing sound. I have no problem with audio over bluetooth. Other than reinstalling sound drivers (which I've done), is there any diagnostic tool that I can ...
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Will the Windows Memory Diagnostic Tool for Windows 7 check all available RAM or only the first 4GB?

According to this article: https://www.lifewire.com/windows-memory-diagnostic-review-2626154 The Windows Memory Diagnostic Tool for Windows 7 only scans the first 4GB of RAM for errors. This Super ...
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Diagnosing a Windows super-hang/freeze 😕

Around fall of 2019, I started experiencing a problem whereby Windows would occasional hang/freeze very hard. So hard in fact, that even the low-level crash-on-control function doesn't work! That is, ...
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3 votes
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Windows 10 laptop no longer hibernating when turning back on after transporting

My HP ProBook 430 (SSD-only, 8GB RAM) is running Win10 v1903 [b10.0.18362.900], and when I turn it back on after hibernation, it's no longer hibernating, with all open windows gone. This occurs ...
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Upgraded PSU x1.25 and still getting power off at maximum load

Some tasks that involve serious number crunching CPU+GPU or gaming in VR cause my computer to just shutdown abruptly. So i had to live with CPU load bound to 80%. That solved the problem but of course ...
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Are genius-style diagnostics available to the public?

I know about pressing 'd' before the boot chime to run diagnostics. I also know about pressing Shift before the boot chime to boot into safe mode. But when the folks at the genius bar run ...
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Remote Desktop Client connection - can connect via cellphone, cannot via landline + router ASUS + public, static IP

I want to connect from home to office Windows Server using the Remote Desktop Connection (Microsoft) client. The server's RDP port is non standard one - my admin claims that opening a standard port of ...
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1 vote
2 answers
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Windows freezes for good. Need help diagnosing

My PC sometimes randomly freezes (for good. restart always needed to use pc again). I don't know how to diagnose the problem. The screen freezes and then you can't do anything. Sometimes it freezes ...
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Diagnosing server-side ERR_SSL_PROTOCOL_ERRORs

I'm copying my website's production environment to local development, and getting "ERR_SSL_PROTOCOL_ERROR". All the debugging advice I'm digging up assumes the website is flawless, and the problem is ...
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1 vote
1 answer
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Laptop Lenovo G560 beeping

My laptop Lenovo G560 makes these strange beeps. I recorded it. It looks like it comes from this side of laptop The beeping stops when I press Fn+F1 Do you know what causes it and how to fix it?
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How to disable computer (laptop, desktop, thin client) without damaging it? [closed]

I need to seriously train my people on computer hardware diagnosis. To that end i need to have several computers - laptops, desktops, thin clients, AIOs - that appear to be damaged and/or faulty. So, ...
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How can I intercept a browser-server communication to see exactly what is being sent?

I am having a problem identifying a cookie required by a particular website. I need to whitelist this cookie to get access this site. The site interaction involves several redirects, so there is no ...
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1 answer
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Mac shutdown even in safe mode,but less often than in normal boot

My Macbook Pro(mid 2014 15') keeps shutting down unexpectately, usually acompanied by very loud fan noise. This problem has pestered me for quite a while. I don't remember exactly when it started, ...
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What's the cause for these 2 hardware faults? [duplicate]

I've got 2 hardware faults located inside Control Panel\System and Security\Security and Maintenance\Problem Reports, and I'm hoping someone here could help shine some light on what's possibly causing ...
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On motherboard with SATA3, which circumstances would make the disk-light to stay on continuously?

On a motherboard with a SATA3 controller, which circumstances[1] would make the disk-light stay on without a flicker? [1] At that stage - the computer is completely unresponsive, and only ...
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Windows 7 laptop takes 15 minutes after startup before it's usable

Up until about a year ago, the laptop was great. But now it just seems to take forever after startup to be usable, like open up a browser. It will show the desktop, but other than tracking the cursor, ...
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Boot keeps breaking across OSes; SSD has no bad sectors; what could it be?

My friend's Lenovo Yoga Pro 2 suddenly stopped booting into Windows. I tried fixing it using a Windows repair disk, but nothing worked. I ran some official Lenovo diagnostics that came up with nothing....
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Is there anything like about:healthreport in desktop Firefox browser anymore?

Until recently, the desktop version of Firefox included a very useful internal page, about:healthreport. That page presented useful information, including graphs that showed browser startup time (y-...
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1 vote
1 answer
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How can I instruct my non-technical users to reliably generate a system spec report? [closed]

We are building a resource-intensive software application for users who are not particularly expert computer users. Often, their typical office PCs are not up to our minimum spec especially GPU. We ...
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HDD physical health check utility in OS X?

Is there a way in OS X to check the the physical health of a HDD; e.g., if it's been dropped or is displaying signs of wear and tear?
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11 votes
5 answers
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How do I identify the root cause of unexpected reboots?

In the last few months, my computer has started rebooting seemingly at random. It cuts out instantly, as if I'd pressed the reset button, and boots up as normal. There are no common traits I can ...
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3 answers
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How can I determine what is murdering my CPU?

My system is periodically becoming very sluggish. Everything is hard to do when it gets like this, including typing. The mouse pointer is generally fairly responsive, but clicking is not. After a ...
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Diagnosing the reason of Kernel Panic and forcible shutdowns on a Win 10 Laptop

I have a laptop purchased in 2014 with the following spec: XMG U705 ULTIMATE Gaming Notebook . NVIDIA GeForce GTX 980M 8192MB GDDR5 with G-Sync . Intel Core i7-4790 | 4 Kerne | 8 Threads | 3,6 - 4,...
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Windows 10 stuck in diagnostics loop

Laptop : Sony vaio Model number : SVF152125NB Running O.S : dual boot (Windows 10 and Ubuntu) After the last update (probably at June 2018, I don't remember the exact update name/ID) from Windows, my ...
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What tests should I run before my laptop's service warranty expires?

I just got an email warning me that my laptop's hardware service warranty will expire very soon. What tests should I run to identify components that are at risk of failing? I am running Fedora Linux ...
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3 votes
1 answer
7k views

How to consistently get USB 3.0 connections to multiple external hard drives from a single USB 3.0 port connected via a USB 3.0 hub?

I have a simple task that I am trying to accomplish: attach two USB 3.0 external bus-powered platter-based 2.5" hard drives to a single USB 3.0 port and have them both operate at USB 3.0 speeds. To ...
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2 votes
1 answer
2k views

How can I test my internet connection's stability and detect very short sub-second outages?

I'm experiencing a problem with my cable internet connection where it will occasionally drop out for less than a second. It's barely noticeable most of the time, but when downloading large files, ...
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3 votes
0 answers
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What is the best way to test a GPU's dedicated memory?

I have a Dell Inspiron 3542 that sometimes displays short vertical lines when Windows 7 boots instead of the animated but logo, but they disappear immediately at the next loading step. I wanted to ...
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1 vote
1 answer
1k views

Should all drives on a USB 3.0 (USB3) Hub be the same speed?

I purchased a USB 3.0 Hub with external power supply. When attaching identical USB3 platter-based hard drives to the hub, CrystalDiskMark reports drive speeds of 80-90MB/s (sequential reads) for the ...
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2 votes
2 answers
305 views

How to diagnose a lagging Windows 7 laptop?

Symptoms Windows 7 laptop is suddenly responding very slowly. For example, clicking on the sound icon in the system tray takes about 5 seconds to display the volume control. Interestingly, it only ...
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2 answers
123 views

How do I diagnose spotty wifi at coffee shop?

I'm at this coffeeshop (regularly), and it seems that there are always people online getting good work done, but I cannot reliably expect the wifi to work for me. Despite the fact that my computer ...
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2 votes
2 answers
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Can I bundle Microsoft Support Diagnostic Tool (.diagcab) files with my software? [closed]

I am having difficulty finding any licenses of these files. Provided I don't modify, only call them, am I allowed to distribute them alongside my other software? EDIT: The tool I want to use: https://...
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1 answer
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how to determine whether the issue is hard drive or hard drive controller?

I have an HP Compaq 620 laptop that suddenly stopped working The BIOS doesn't detect the hard disk at all, but there are no other signs of failure (weird hdd noises etc) The bios system diagnostics ...
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2 votes
2 answers
834 views

CPU Low clock speed

One day my Computer started being extremely slow when opening a new tab, playing videos and games, etc. but it would start up just fine and work okay-ish when working within the same document or ...
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2 votes
1 answer
1k views

Impossible to format my SSD

I bought my old company laptop (Dell Precision M4800), it's 3 years old and still pretty good. It comes with a SSD (256 GB) and HDD (1 TB). When purchased, my company IT "destroyed everything" (wiped ...
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How to find the cause of a network intermittently not responding?

I have a simple network built using: 1 Switch (16-Port Gigabit Easy Smart Switch) 4 Windows 10 PCs (Used as kiosks, with a custom software application) 1 Windows 10 PC (Used as a SQL Server) 10 ...
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