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PC audio+visual stutters & boot failure

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PCHF Member
PCHF Member
Jan 12, 2019
Hey folks,

I have the following problem: on my gaming PC (specs below) I sometimes get frame drops and audio distortion ('metallic', choppy sound) while in-game (Overwatch, Shadow of the Tomb Raider). The issue persists even if I quit the game, a reboot (usually, at times you need several) fixes it.

Yesterday, the PC wouldn't even boot: it powers on but gets stuck on either the Motherboard Logo screen, a black screen or the Windows screen. This morning it booted up fine.

I did a full re-install of Windows a while back which didn't solve anything (so I figure it's a hardware issue??).

Intel Core i7-4790K CPU @ 4.00 GHz
ASRock UEFI Motherboard Z97 Pro4 P2.50
NVIDIA GeForce GTX 980
32 GB RAM (not sure about the model...)
Windows 10 64 Bit

I'm grateful for every bit of help about the cause (could it be a fried MoBo?) or a solution. Thanks! (And sorry if this post is in the wrong place, I'm new to this :X )


PCHF Moderator
Support Team
Sep 9, 2016
Hello Auburn,

Bit of work for you to do;

If the computer is a desktop can you post the brand and model name or number of the power supply (PSU).

Download then run Speccy (free) and post the resultant url for us, details here, this will provide us with information about your computer hardware + any software that you have installed that may explain the present issue/s.

To publish a Speccy profile to the Web:
In Speccy, click File, and then click Publish Snapshot.
In the Publish Snapshot dialog box, click Yes to enable Speccy to proceed.
Speccy publishes the profile and displays a second Publish Snapshot. You can open the URL in your default browser, copy it to the clipboard, or close the dialog box.

Download and run CrystalDisk info standard edition from here
Run the program, grab any screenshots and attach to your next reply for us.

Download Speedfan and install it. Once it's installed, run the program and post here the information it shows. The information I want you to post is the stuff that is circled in the example picture I have attached.
If you are running on a vista machine, please go to where you installed the program and run the program as administrator.

(this is a screenshot from a vista machine)

So that we have a comparison to Speedfan, download, run and grab a screenshot of HWMonitor (free).

To capture and post a screenshot;

Click on the ALT key + PRT SCR key..its on the top row..right hand side..now click on start...all programs...accessories...paint....left click in the white area ...press CTRL + V...click on file...click on save...save it to your desktop...name it something related to the screen your capturing... BE SURE TO SAVE IT AS A .JPG ...otherwise it may be to big to upload... after typing in any response you have... click on Upload a File to add the screenshot.

Screenshot instructions are provided to assist those that may read this topic but are not yet aware of the “how to”.


PCHF Moderator
Support Team
Sep 9, 2016
Link to another forum I posted the issue:
Appreciate you letting us know this but it does unfortunately mean that you will need to decide on which forum you wish to continue, as per the explanation below;

We are always happy to help when we can but we cannot safely do so if you are already receiving assistance on any other forum, doing so may lead to confusion as to whose and what guidance you are following which can be both dangerous and costly, decide on which forum you wish to continue and as a courtesy let the other/s know that assistance is no longer required.

Thank you for your understanding.

Your CrystalDisk screenshot is of benchmark and not the requested CrystalDisk Info which gives us a health report on the drive.

Only two concerns in your Speccy report that I can see, there is some sort of issue with the boot SSD which was also picked up on the other forum, in addition to this, can I ask how old your PSU is, the model was first released in 2013 and only had a three year warranty, depending how old the unit is it could be getting tired.

CT250BX100SSD1 (SSD)
Manufacturer: Crucial
Heads: 16
Cylinders: 30.401
Tracks: 7.752.255
Sectors: 488.392.065
SATA type: SATA-III 6.0Gb/s
Device type: Fixed
ATA Standard: ACS2
Serial Number: 1533F00AC3F0
Firmware Version Number: MU02
LBA Size: 48-bit LBA
Power On Count: 1508 times
Power On Time: 113,0 days
Speed: Not used (SSD Drive)
Features: S.M.A.R.T., NCQ, TRIM, SSD
Max. Transfer Mode: SATA III 6.0Gb/s
Used Transfer Mode: SATA III 6.0Gb/s
Interface: SATA
Capacity: 232 GB
Real size: 250.059.350.016 bytes
RAID Type: None
Status: Unknown
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