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Questions tagged [troubleshooting]

Troubleshooting is a form of problem solving that uses logical, systematic steps to solve the problem.

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Troubleshooting Wi-Fi not working in laptop

Wi-Fi stopped working abruptly (was working fine previously) while using Dell Inspiron 5548 laptop. It has Intel AC-3160 Wi-Fi card originally. I dual boot Windows 7 and Ubuntu 18.10. It doesn't ...
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40 views

Random Shutdown on custom built pc

I just built a new pc about 3 weeks ago and have had some issues while playing some games. My computer is on but doesn't post and when I try to press the shutdown button on the case it doesn't let me (...
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1answer
69 views
+50

Toshiba laptop screen randomly flickers wildly

Out of nowhere, my Toshiba Tecra R950 laptop has recently started wildly flickering and flashing vertical lines at regular intervals. Strangely though, the flickering happens in some situations and ...
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No display after changing cpu/processor

I am running the following specs: Motherboard: Asus H61M-C Processor: Intel Pentium G2030 (Ivy Bridge) @ 3.00GHz RAM: Kingston HyperX Fury 1600MHz 8GB Blue GPU: Palit GeForce GTX 750 Ti StormX Dual ...
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1answer
36 views

Do HP printers have batteries?

I have an HP p1606dn printer which keeps forgetting his LAN configuration and going back to factory settings. So, I wonder if HP printers, (or maybe printers in general), have a battery, which could ...
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22 views

Screen covered with gray stripes

I have a new Lenovo laptop, Yoga 520, running under Windows 10. Every now and then, the screen gets covered with gray vertical stripes, fully or partially (whole height but not whole width). So far ...
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1answer
44 views

cannot print on network printer HP P1606DN

At a working place, I have an HP 1606DN printer, connected directly to the network with a CAT5 cable. All PCs (all with Windows 10) use the printer witouth problems, except one. This PC had it ...
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2answers
69 views

Can I get a heatsink to work without thermal paste, temporarily?

Believing my motherboard to be faulty, I removed the CPU and I cleaned the thermal paste off. Now it turns out that it's the PC-speaker that is faulty. I'd like to put the CPU back in its place, ...
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0answers
15 views

PC double boots before POST, then boots normally

When turned on from any power state (S1-S5), including sleep modes, my PC turns on, then off, then back on and boots as if from shutdown, thus losing work and closing programs. The shutdown occurs ...
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2answers
65 views

ASUS Eee Pc 1001PXD bios update

As a possible solution to a previous question, it was suggested to update the bios of my Asus Eee Pc 1001 PXD with Lubuntu 16.04. As stated in this FAQ on the Asus website, I downloaded the latest ...
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0answers
31 views

No BIOS to screen. What's happening here?

I just built a new PC. I have a 650W PS, an ASUS Prime B350-PLUS MoBo mounting a Ryzen 5 1600 GHz, an ASUS GTX 1060 GP and two 4GB HYPERX ram banks (plus DD, SSD and a Wi-Fi card). I press the powe ...
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53 views

Troubleshooting “Hard Drive Not Installed”

I have a Dell XPS 13 laptop that has stopped recognizing the hard drive. The hard drive is a SK Hynix 256 GB SSD (PCIe NVMe M.2) [1]. I have having an extremely difficult time determining whether ...
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1answer
67 views

Windows 10 unable to access “This PC” in file explorer

When I click on "This PC" under Windows file explorer it attempts to open, the green bar at the top of the Window gets to about halfway, the screen flickers and closes file explorer in entirely. I ...
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0answers
15 views

Determine what UMDF driver is consuming CPU resources in Host Process

In task manager I see significant CPU usage from Windows Driver Foundation - User-mode Driver Framework Host Process. How do I determine the actual driver or device that is responsible for this?
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3answers
147 views

High CPU on Windows 10 (system/ntoskrl.exe)

UPDATE: Fixed with Insider Build 17713.rs5_release.180706-1551 Recently my "System" process keeps using ~20% CPU. Process Explorer shows busy threads of ntoskrnl.exe!RtlAvlInsertNodeEx+0x370. Some ...
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0answers
26 views

My PC displays a black screen on boot

I was just in the middle of gaming when both my screens went grey and then all sound stopped. I left it a few minutes before shutting my PC down by holding the power button, then left it again for a ...
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0answers
29 views

My keyboard occassionally misbehaves in completely different ways, depending on what program I am using

About once every month or so, my keyboard stops responding correctly. When it's in this state, until I restart, various applications will misbehave in their own unique way. Here are some examples: In ...
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0answers
163 views

Windows 10 memory leak research (xperf/WPA) with process “Unknown” [duplicate]

I'm facing a memory leak issue with Windows 10. I've got 4 GB physical memory which is mostly occupied by "nonpaged pool" according to RamMap, which sadly cannot be attributed to any single process. ...
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1answer
21 views

Hard drive issues… i think

I have an Acer Aspire 5239 laptop that's been giving me issues. When i first got it it ran very well and was fairly quick running Windows 7 Home 64-bit on 2GB of DDR3 RAM. Well it crashed roughly 2 ...
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0answers
37 views

Why are my DHCP leases not working?

I am trying to make DHCP assign an IP address to the "PCNEW" node, but it is not working. Can anyone explain why?
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0answers
39 views

Can't see the top half of my laptop computer

I've already tried plugging in HDMI to my flat screen TV. It used to work until I try to refresh to an earlier date. Now the computer will not boot up to Windows 8.1. I've got a problem when it says ...
1
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1answer
80 views

Motherboard fried, what does that mean for the rest of the pc?

My motherboard got fried, I think I plugged in a fan to the wrong spot and on boot I heard an electric pop and the computer stopped working. A chip on the motherboard is visibly cracked but I didn't ...
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0answers
140 views

How to reinstall the system BIOS

Context: I have an HP Stream 8. Tried to reset it from factory settings, but it got unplugged and lost power sometime during the reset. Now when I power it on, I get an error message saying that the ...
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1answer
232 views

Why are network adapters not working?

All devices I have tried (a laptop, all smartphones, a PlayStation) with my WiFi networks work perfectly. The only problem is my desktop PC. Adapter No. 1 Sometimes the adapter wouldn't even find ...
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0answers
69 views

Where does Crystal Reports need TNS names to be?

I'm running Crystal Reports 11.5 on a Windows 7 machine. When I try to connect to Oracle database in Crystal, I get the following error: Failed to open the connection. Details: ORA-12154: TNS:could ...
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1answer
157 views

Systemd process is exited immediately after start

I'm extremely new to systemd and am trying to write a .service file that runs my php script. The script runs and needs to wait for input from someone else to do anything, and remains open til I ctrl-C....
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0answers
17 views

Debugging connectivity issue to a website

How can we debug the connectivity issues to a website https://test.mysite.office.net? From public networks, this URL is accessible. From our network we are not able to access it. But Ping works fine, ...
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0answers
77 views

USB drive not detected & not showing up win10

Laptop : Asus x541u OS : windows 10 Hey guys,I've been struggling with this issue for a while ! My usb ports are not working I ran the usb troubleshoot but no results "usb controller is in a failed ...
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2answers
127 views

What does NeedsCleaning mean in output of “wmic diskdrive get NeedsCleaning”?

Does it mean that I should run a CHKDSK (this is on Windows 7) or something else? Adding more context to the question: I was exploring WMI (Window Management Instrumentation) commands at the CMD ...
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1answer
59 views

How to get information from an installed malicious program?

I asked a question today on security.stackexchange.com Hijacked certificate and Remote Login. Office computer compromised with a virus? which is a question about a suspicious program named PROGRAM. ...
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1answer
351 views

The Invincible error with Windows Store

PC Configuration Asus X53U (Windows 10 and Windows 8.1 dual boot), problem is seen on- Windows 8.1, frequency of problem- Everytime the Store is opened Long Story, short Life was running smooth, ...
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1answer
313 views

How to determine the OSX process which is presenting a dialog?

Today when restarting a MacBook Air I got a pop-up stating "The managed object model version used to open the persistent store is incompatible with the one that was used to create the persistent store....
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1answer
270 views

Windows 10 PC won't sleep

I built my first PC and installed Windows 10 on it. Performs fine except for one recurring issue. Often times, when I try to sleep my system, the peripherals will shut off but other aspects of the ...
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0answers
27 views

Contents of Pictures, Music and Videos folders keep getting mysteriously deleted from Windows 10

A few weeks ago I noticed that these folders that had over a decade's worth of media stored in them were completely empty. Totally emptied out. And those were the only folders this happened to (that ...
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1answer
35 views

Windows 10 machine rebooting intermittently

My windows 10 machine is starting to frequently crash. No BSOD, just power off and it starts back up. There doesn't seem to be any pattern to it... I can be working the box gaming or something and ...
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1answer
350 views

Why is Windows 10 freezing for a second everytime the background changes?

I have my Windows 10 laptop set to change my desktop background every minute by using the built-in Windows feature to set it to a slideshow of a folder. It also changes the accent color accordingly. ...
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0answers
275 views

How to isolate the cause of my PC crashes at a set time? Usually occurs between 02:00 and 04:00

I will try to keep this short. I have been encountering consistent PC freezing between the hours of 02:00 and 04:00 on Windows 10. Not on Linux. The whole system will lock up, and the screen will ...
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0answers
59 views

No video output M2N-SLI Deluxe

I was having issues where my monitors would randomly stop working ( while computer was still on), and could be fixed only by restarting the computer repeatedly ( typically 1-10 times ) and then it ...
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0answers
22 views

How to allow ssh connections to a Ubuntu VM?

I am following this answer. After completing basic instructions on configuration to accept ssh (1, 2) I have: $ ps -A | grep sshd 469 ? 00:00:00 sshd $ sudo ss -lnp | grep sshd tcp LISTEN 0 128 *:...
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0answers
447 views

Windows 10 hangs for 1 second while typing

My laptop recently started having an unusual issue: whenever I'm typing, it will randomly freeze for about 0.5 to 2 seconds, after that, it will resume working and also catch up on all the text I've ...
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2answers
3k views

When I open Google Chrome on Windows 10, it crashes the system almost instantly, why? [duplicate]

TL;DR When I open Google Chrome on Windows 10, it crashes the system almost instantly. In detail: My laptop stops responding (freezes) and I can hear louder cooling (supposedly higher CPU usage due ...
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2answers
73 views

Cannot ping between different networks

I have a connection as follow: PC/Eth<==> Eth/raspberrypi/WLAN <===> WLAN/RPi-2 Problem: I cannot ping PC from RPi-2 and vice versa Troubleshooting: PC can ping raspberrypi ethernet and ...
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0answers
88 views

Computer restarts randomly - all parts A/B tested

Brief Intro: Computer, one fine day, started randomly restarting. No pattern seen. Occurs anywhere between 1 to 8-9 times a day, usually 2-5. Can go 2-3 days between occurrences. Restart does not ...
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1answer
660 views

Migrating to a new hard drive: WindowsApps, WpSystem, WUDownloadCache, OneDrive\Pictures

I have a Windows 10 x64 Pro (for which I am the only user), an internal hard drive A (that is not the OS drive) and an external hard drive B (an internal drive trapped inside an external USB ...
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0answers
289 views

Lcd controller M.NT68676.2 Blank screen

Hello and excuse my ignorance on the matter. So i have a M.NT68676.2 LCD contoller and an LP156WH4 LG laptop screen. When i connect the controller to the screen it turns on , even wake up from stand ...
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1answer
145 views

NVMe on which Ubuntu is installed seems to disappear while running

I made a custom build desktop, which is turned on 24/7 and serves as server. Today I experienced for the second time that the machine turned unresponsive. Hooking up a screen does nothing. Inserting a ...
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0answers
202 views

After installing ultrauxthemepatcher and applying a theme - black window with only cursor on boot

For my sins, I installed ultrauxthemepatcher on my win10. Then I doubled clicked a downloaded theme. The system freezed. So, I tried to restart the system and all I see is a black screen with a mouse ...
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0answers
55 views

How can we identify the RAID configuration externally?

The admin responsible for an old server has left the company and no one knows how to access it. This server is business critical so we can't unplug it to regain access. How can we tell what RAID ...
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0answers
168 views

How do I check my NUC model from within Windows 10?

I'm trying to troubleshoot a video issue on an intel NUC, and need to get the model information. It's not convenient to get to the NUC itself, but I have a [relatively] healthy Windows 10 install what ...
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1answer
27 views

I need to periodically power up the monitor

At work, I have a really bad monitor (generic trademark with unknown model/manufacturer) which sometimes goes randomly off. It is connected with a VGA cable (not HDMI). I believe that goes to some ...