Questions tagged [diagnostic]

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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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25 views

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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58 views

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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GTX 1060 is probably corrupted - crackling sound etc

I have this problem for months. I have 2 monitors connected to GPU and running Windows and Ubuntu. On both OSes I see problems. I couldn't diagnose it for months. There are much more problems but ...
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1answer
19 views

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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10 views

Diagnosing lag in Windows 10

When I start my PC, it runs as expected, but after a few hours of uptime, it becomes increasingly more laggy, despite there being no additional drive or CPU usage visible in the task manager. It ...
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37 views

Why is SeaTools passing and failing the same hard drive under two different headings?

My new hard drive, Seagate Backup Plus Portable 5TB, appears twice in SeaTools, once under SAS-SCSI-FC and once under USB-1394, as shown in this question. Running the Short Generic test individually ...
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28 views

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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36 views

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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2answers
70 views

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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17 views

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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41 views

Drive End-to-End_Error FAILING_NOW, yet passes badblocks and smartctl

I've skimmed through similar questions and I only found one with the same error, however it did not answer all my questions. I’m trying to increase my Linux skills and I decided to use an old lenovo ...
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1answer
42 views

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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1answer
51 views

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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1answer
71 views

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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1answer
48 views

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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209 views

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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1answer
31 views

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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24 views

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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36 views

Processor Time monitoring w3wp process with DebugDiag

I have a web application run in IIS 8.5. For unknown reasons sometimes w3wp process takes 100% processor usage finaly causing restart. I've tried to use debug diag tool v2 but I have a problem setting ...
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17 views

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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76 views

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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1answer
23 views

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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1answer
33 views

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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5answers
2k views

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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3answers
91 views

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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0answers
45 views

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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1answer
544 views

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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61 views

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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1answer
4k 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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1answer
1k 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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0answers
2k views

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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1answer
677 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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2answers
265 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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2answers
94 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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2answers
808 views

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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1answer
446 views

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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2answers
412 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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1answer
748 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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37 views

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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2answers
3k views

My Linux system hangs mysteriously every once in a while. What can I do?

I use GNU/Linux Mint 18.3 with kernel version 4.10.0-42. For the past several weeks, every once in a while my system hangs, without any signs before hand of upcoming trouble (that I have noticed). I'...
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1answer
65 views

How to diagnose an old server hardware?

I have an old HP ProLiantML350 machine that I want to install Windows server 2012 on. Problem is I know that something is wrong with that server and Im looking for a way to diagnose that machine for ...
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1answer
98 views

HDD hardware failure diagnostics [closed]

Suppose we have a modern HDD that doesn't get recognized by either the operating system or the BIOS. We know for sure that it's not an issue with cables/motherboard/power supply/etc. And now suppose ...
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261 views

Does Windows 7 include default touchpad drivers?

The Elan touchpad (aka trackpad) on a laptop is not responding consistently. It works normally much of the time, but then suddenly stops responding. After a few seconds, it will start responding ...
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1answer
700 views

How do I diagnose overheating?

I use my computer mainly for gaming, and recently I've been having issues with various games crashing. I suspected my video card as I got errors of the kind "Your rendering device has been lost" in ...
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1answer
797 views

Why would a Seagate Wireless Plus appear twice in Seatools (SAS-SCSI-FC & USB-1394)

I just received an RMA drive back from Seagate and I believe this one too could be faulty. I have fired up SeaTools but a little confused which device is correct as it appears twice. I assume that ...
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2answers
50 views

How to diagnose computer fan refusing to spin?

I've got a ARCTIC Freezer 7 Pro Rev 2 and after it was through the luggage of an Australia > Europe flight, sometimes it refuses to work and stops spinning. I'm not able to figure out why. How can I ...
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1answer
776 views

New hard drive buzzing when tilted

I have bought a brand new hard drive (HGST HTS721010A9E630) for my laptop and it's making a buzzing sound if the laptop is tilted. The more aggressive the tilting speed, the louder the sound. When the ...
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0answers
361 views

I hear disk activity but cannot see which process do it (Linux)

This is problem I have repeatedly on several different computers and version of linux (mostly ubuntu, now 16.04 LTS). I clearly hear HDD is doing something, and also see the HDD LED shining. But I ...
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1answer
117 views

How to objectively test LCD for very slight “blurriness” (and prove it is not just my imagination)?

In this question, I keep "re-imagining" that the LCD panel is slightly blurry or causing me eye strain. The cause might be a tiny deviation in any number of things: voltage, timing, dithering, ...

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