Questions tagged [diagnostic]

Use this tag when referring to preforming diagnostic actions (testing,etc.) on a computer.

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Random freezes across OS'

My computer has an issue that it randomly freezes. I've faced this issue for years across Ubuntu versions and Windows versions. I'm currently running 19.04. I've faced this issue with 16.04, Windows ...
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47 views

HDD suddenly starting to spin non stop, have to hard power-off; diagnosis method?

I'm on ubuntu 18.04, and for the second time in a week (and in all my several years of using Linux), the HDD of my machine started to spin non-stop, forcing me to perform a hard power-off. The first ...
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1answer
204 views

Building osmo-qcdiag on Ubuntu 16.04 with libosmocore and libqmi

I am trying to get osmo-qcdiag to build (Project : https://osmocom.org/projects/osmo-qcdiag/repository), but I am getting errors with libosmocore which I built successfully, but unfortunately osmo-...
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ubuntu system diagnostics

I keep getting errors "sorry, Ubuntu 16.04 has experienced an internal error" giving me the option to report error. I generally leave that checked. Is there any type of system diagnostics that I can ...
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0answers
28 views

How should I investigate laggy graphics in Ubuntu 15.10, particularly with Google Chrome?

I have two installations of Ubuntu 15.10 on two different machines and on both of these machines I am occasionally seeing a lot of lag in the graphics displayed. This manifests as, for example, ...
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1answer
71 views

Hard Drive Dying

I'm using Lubuntu 14.04 on my older desktop. Sometimes when booting up, I get a message that "/" or "/tmp" could not be mounted, or else a disk error was detected and a disk check will start executing....
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2answers
748 views

How do I diagnose a sudden slowdown

Running a particularly compute-intensive task on my computer (Tecra W50) for more than a few seconds causes it to become very slow. Performance does not return to normal after the task completes. ...
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1answer
253 views

Help me to interpret my memtest+ result and guide me what to do next

I have previously installed and enjoyed Ubuntu and had both 12.04 and 14.04 but I uninstall both of them and installed 14.04 LTS and it was a disaster for me. Could open my PC anymore due to many ...
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2answers
10k views

How to ping a specific port

I often use the ping command to check if a website is available or not, or if I can access a machine, so basically mostly for diagnostics, and what would be really useful is if I could specify which ...
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0answers
316 views

No memory test option on Grub menu

How do I run a memory test on Ubuntu 15.04? There in no option for that in the Grub menu. There are only options to boot in recover mode and nothing more.
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1answer
2k views

List size of all disks and partitions in bytes

I am looking through the various *fdisk and *parted utilities along with a few others. I am searching for a utility (or collection of utilities) that will list the size, in bytes, of all of the disks ...
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2answers
625 views

How can I find out the temperature components are running at in 14.04?

The title of the question says it all really. I have a new laptop with Ubuntu 14.04 installed. There appears to be an overheating problem which fortunately does not appear to be affecting performance. ...
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56 views

Really SLOW update/upgrade and other problems - where to start to diagnose/solve?

Last October I rebuilt my desktop and installed the AMD64 version of 13.10. I have an MSI H87M-E33 Intel H87 motherboard, an Intel Core i3-4130 (Haswell) processor 4GB RAM Crucial V4 64GB SSD Most ...
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1answer
225 views

USB ports fried? How to diagnose/fix?

i've just run into a probably serious problem. Was working on a hardware project where a short circuited component was involved and it's possible i've fried two usb ports with a 12V on my laptop ...
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2answers
340 views

How to identify the process that's sending error messages to terminal?

The following error message occasionally appears in my terminal: Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory ... which is pretty ...
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1answer
206 views

programs to interact with hard drive and RAM from terminal

To give you an idea of what I am looking to, for example, I have a gsm modem connected to a serial port of my machine. I can run a program called minicom and be able to directly communicate with the ...
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2answers
1k views

No luck on installing .bin file (For Dell 32-bit Diagnostics)

I'm trying to install Dell 32 Bit Diagnostics (Graphical User Interface version) To test my fans.. Now..I download a file from Dell which is meant for Linux. the file format is: GnuPG Signature ...
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3answers
3k views

How do I know which RAM I'm using?

I want to buy some extra RAM but Hardinfo wont tell me which brand, model, latency and speed I'm currently using to buy the same kind. What else can I use?
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0answers
32 views

How to find the cause of a GUI freeze? [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? From time to time Unity just freezes. It works just fine again after I restart the GUI with sudo service lightdm restart but is ...
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1answer
6k views

Diagnoses Live OS

I was wondering if there is a live ubuntu or linux in general OS built for running hardware and software diagnostics no matter what condition the hardware is in.
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1answer
9k views

Main differences between fsck and chkdsk?

What are the important differences between fsck and chkdsk, and which command will reduce and correct the most hard disk errors?
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5answers
80k views

How to determine hardware?

Is there a command to detect the type of processor, type of graphics card, type of hard drive, just the basic hardware my computer is running? I'm running 12.04.
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2answers
356 views

microphone trouble

I am trying to use my Google Voice and the other party cannot hear me. So I tried recoding something and it did not work. So how do I run some sort of diagnostic to check to see of my microphone is ...
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3answers
32k views

Tools to diagnose Ubuntu problems

Over time a user will have several problems with Ubuntu as any other OS in the world. What tools and terminal commands exist in Ubuntu to help diagnose how the problem occurred and help solve it if it ...
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1answer
264 views

Wifi can't connect before wired. How to diagnose what could be going wrong (which logs, etc)?

I think this is a problem related to another I've had, but here's the first situation: When I boot up and connect to wireless, I am told I connect to my wireless network. However, I am unable to ...
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1answer
279 views

Which information to provide on a wireless bug report?

I own a Belkin wireless USB adapter. It seems to be supported by the rtl8192cu driver in 11.10 betas, which is great, because in 11.04 the driver had to be compiled/installed manually. But, nobody is ...
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2answers
264 views

How do I find out which driver a piece of hardware is using?

Today I'm trying to figure out which driver is best for my USB wireless dongle. Everywhere I look I just see Ralink STA but this isn't telling me which module this actually is. I'm sure there's a ...