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

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Ubuntu 12.04 - seemingly random freezes

I am running Ubuntu 12.04 and I have experienced random freezes when running a number of different applications (I am also researching known bugs in those applications). Once the machine locks up, ...
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2answers
186 views

Is there an easy way to find out 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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Diagnostic large boot-times

I consistently have extra-large boot-times (but sucessful boot everytime nevertheless). I initially had short boot-times following a fresh install of Trusty 14.04 LTS (no upgrade path) on an HP 8510w. ...
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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
56 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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Where can I followup with my system test results?

I ran the by-default-installed "System Testing" tool and submitted the results but I don't know where can I followup with it on launchpad ? I can't remember exactly if I submitted it while having an ...
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1answer
64 views

How to identify 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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117 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
414 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
2k 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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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 ...
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1answer
2k 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
5k 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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3answers
16k 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
267 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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2answers
9k 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
242 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
266 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
208 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 ...