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Questions tagged [diagnostic]

The tag has no usage guidance.

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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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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-...
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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 ...
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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?
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35 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 ...
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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 ...
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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 ...
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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,...
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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 ...
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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 ...
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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 ...
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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 ...
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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, ...
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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 ...
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1answer
254 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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