Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [diagnostic]

The tag has no usage guidance.

0
votes
0answers
14 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....
1
vote
0answers
41 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-...
1
vote
1answer
21 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 ...
0
votes
1answer
22 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?
0
votes
0answers
34 views

Can't boot Efi shell from usb drive

I downloaded an EFI shell from then moved it into a usb flash drive in the folder /efi/boot however when I try to boot from that drive it gives me the "an operating system was not found" error then ...
1
vote
0answers
94 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 ...
0
votes
3answers
58 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 ...
1
vote
0answers
35 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,...
0
votes
0answers
128 views

Getting rid of the diagnostic boot

I am currently using Dell Latitude E4300 and the issue is that the power button board is not working due to which my computer always boots in the diagnostic mode. I've checked that under System ...
0
votes
1answer
174 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 ...
0
votes
0answers
40 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 ...
1
vote
1answer
1k 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 ...
2
votes
1answer
503 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, ...
2
votes
0answers
1k 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 ...
1
vote
1answer
252 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 ...
3
votes
2answers
211 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 ...
0
votes
2answers
60 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 ...
2
votes
2answers
455 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://...
0
votes
1answer
99 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 ...
2
votes
2answers
207 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 ...
3
votes
1answer
251 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 ...
0
votes
0answers
35 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 ...
2
votes
2answers
1k 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'...
0
votes
1answer
60 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 ...
0
votes
1answer
90 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 ...
0
votes
0answers
181 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 ...
0
votes
1answer
609 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 ...
0
votes
1answer
488 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 ...
-1
votes
2answers
48 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 ...
3
votes
1answer
513 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 ...
2
votes
0answers
223 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 ...
0
votes
1answer
101 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, ...
0
votes
1answer
47 views

Diagnose my PC that randomly shuts down

My PC randomly shuts down. This happens even if I am just leave it on at the desktop without any major applications running. I was wondering if anyone knows how I could go about diagnosing the ...
2
votes
0answers
329 views

Boot-loop, error code 0xc0000225, after full-drive encryption

I encrypted both my personal and system file drives using Diskcryptor, after full completion I set my laptop to hibernate. Now, my device is stuck in a bootloop with my only option being to use CMD as ...
1
vote
0answers
35 views

How to monitor and diagnose Wi-Fi problems

I have a home Wi-Fi network used by few laptops and mobile devices. From time to time I get complaints from my family that the network feels slow lately. I restart the access point and the complaints ...
1
vote
1answer
125 views

How to ensure SSD is healthy?

I have heard that SSDs have shorter lifetime, than normal HDDs. And last time I have a suspicion, my SSD came to it's end. Symptoms include unexplainable BSODs, and program disappearing. How could I ...
-2
votes
1answer
64 views

Is just me or we are in much extents, powerless when debugging/diagnosing Windows? [closed]

Is there a vast logging system? Like what we see in /var/log on Linux? Is there some place where I can search for "error IDs" or things like this and somewhere that documents so I can study it? Many ...
0
votes
2answers
2k views

Flashing power LED, no POST, no beep after travel

I recently relocated from the United States to the United Kingdom. I flew and brought two systems with me (carefully packed and shipped in checked luggage in an old military surplus crate they fit ...
1
vote
0answers
204 views

How can I diagnose the root cause of a gradual slow-down in Windows?

I have a performance issue on my Windows 7 (64-bit) machine (Win 7 Professional), and it causes a definite slow-down that is most noticeable in Process Explorer (previously of Sysinternals). The ...
0
votes
0answers
179 views

Laptop going to sleep

I have Dell Precision 5510 with Windows 10 and I am encountering issued when playing Fallout 4. When I play the laptop is going to sleep after some time. How can I diagnose what is happening? Can it ...
0
votes
0answers
655 views

Asus M32 desktop motherboard will not power on. Unknown purpose of its “VRM_BOOT” pins

My Asus M32 desktop will not power on after a power outage. The CPU fan does not spin and there is no video output when the power button is pressed. I've used 4 different power supplies to try to get ...
3
votes
1answer
3k views

Laptop On-board Diagnostics at Boot Time

I turned on my Dell Inspiron 5555 and the on board diagnostic displayed with options to select. I cancelled that and restarted it, and everything appeared to boot fine without the on-board diagnostic ...
2
votes
1answer
7k views

What does the health status percentage represent in CrystalDiskInfo?

I wonder what the health status percentage represents in CrystalDiskInfo: 100%: 99%: 91%: Absent: I use CrystalDiskInfo on Windows 7 SP1 x64 Ultimate.
1
vote
1answer
2k views

How do diagnose stuttering performance in games without buying replacement hardware?

I own a reasonably high performance, although a bit outdated (4 years), computer and have been, for some time, experiencing bad performance and about 1 second freezes on all of the games I play. I ...
0
votes
0answers
2k views

Interpreting results of windows memory diagnostics

I've been having some troubles with my computer lately, and tonight ran the windows memory diagnostic. I ran the extended test. It completed not showing any errors during the run, however I don't ...
0
votes
1answer
102 views

Do I need to replace my laptop's HDD? (GSmartControl analysis)

I've got an ASUS laptop that is 5 years old already, never had a problem with it. After some weeks with it being not as responsive as usual, yesterday I formatted and repartitioned the HDD, and gave ...
-1
votes
1answer
88 views

What is essential to test after a power surge for an unprotected PC? [closed]

If a power surge occurs at such a level that a total blackout has occurred, but my Windows PC still boots correctly, what are the most vulnerable areas of my hardware that I should check or tests I ...
1
vote
0answers
12k views

What can explain a large usage of shareable memory on Windows?

I notice that 6.5 GB of my RAM is used as "shareable" memory. What can explain such a large usage? I tried to list processes by size if shareable memory in the Resource Monitor, but I don't see ...
1
vote
1answer
768 views

Which driver causes the BSOD Driver Power State Failure?

I get a BSOD with DRIVER_POWER_STATE_FAILURE on my Dell laptop running Windows 7 SP1. It got replaced once, but that one has the same error. The BSOD occurs only when it tries to awake from energy ...
2
votes
0answers
73 views

How can I diagnose recurring but unpredictable brief system hangs?

Yesterday, I wiped my / folder and installed a new version of Linux over my old executables, retaining my data mounted on other partitions and drives. Since then, the system will periodically hang for ...