Hardware failure refers to the act of a piece of physical hardware failing to meet its designed standards during operation.

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Noisy fan, can it be mechanical?

I have a Dell Latitude E5530. Recently the fan has started making aggressive buzzing noises. Not all the time, but as soon I'm running a Matlab computation or watching a movie - whenever the load is ...
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250 views

Increasingly growing vertical lines on my laptop screen (Dell Inspiron 7520 SE)

I've had these 2 vertical lines since yesterday. Their length have doubled since then ! Would someone please help identifying the problem and the solution ? I've had this laptop for around 2 years now ...
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35 views

How to find out reason for mce and nmi faults?

I have a server on Supermicro SuperServer 6016T-6F. 2xIntel Xeon e5520 Ubuntu 14.04.2 LTS (GNU/Linux 3.13.0-49-generic x86_64) Last time errors ocurred intermittantly - server hangs. Memetest86 is ...
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2answers
2k views

ssd 2 million hour mtbf? how is this proven?

How can this ssd (corsair) have a mean time before failure of 2000000 hours? last time I checked that was in the hundreds of years... From experience even with Computers that don't receive constant ...
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23 views

MAG lcd screen display disappearing

I have a MAG lcd screen (H-2209A). When I turn it on, I see the image for an instant, then the screen blackens out. When the screen is disconnected from input, I expect a "No Signal" message to ...
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1answer
39 views

Is it possible to make a laptop behave as if it is working on battery?

Is it possible to make a laptop behave as if it is working on battery, while in fact it would be working on AC power? I have some HW problem with my laptop. It reboots for unknown reason every time ...
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148 views

Btrfs I/O errors - crappy disks or btrfs fault?

I'm using btrfs for quite a long time, but I wasn't using any more advanced features before. Recently I've moved to btrfs on all drives, on all machines, turned on snapshots, raid and all the cool ...
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21 views

Replace (non-raided) drive in raided server

Current setup: ~100gb disk (sda) with 4 partitions: /boot, /home, "system folders", swap 500gb RAID5-array (md0) with 1 partition: /var OS is Ubuntu Server LTS 15.04 on an old hp 32-bit system ...
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16 views

FileVault impact on recovery

I am curious to know how FileVault impacts the recovery options in case of a crashed / corrupted hard drive that I can use: Does the fact that a block is not readable would impact more than this ...
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1answer
215 views

I'm in the US and computer only works when power supply is in 230V position. How do I diagnose this?

So, I replaced a computer PSU about six months ago. And, the computer power down intermittently. I've found: it's not over heating. Monitor shows it running cool. it's not graphics related. ...
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54 views

Copying a failing HDD

My laptop HDD is slowly failing, and I am trying to back up a system image before replacing it. The problem is every time I attempt it, there is an I/O error that stops the whole thing. Basically my ...
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3answers
185 views

Computer Freezes Randomly Due to Hardware Problems

My computer has been randomly freezing for about a month. There seems to be no obvious patterns, it can run days or just hours. The problem seems to only occur in my Windows OS, when booted to Linux ...
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417 views

External USB hard drive and risk of internal condensation?

Apparently you can kill a USB hard drive by moving it from a cold to warm environment and powering it up. The killer being internal condensation. Q1: How real is the risk? What kind of temperatures ...
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34 views

I can't start my computer into windows vista

a few days ago, my HP A1709N had to be restored back to HP defaults. When I tried to install SP1 on it, the system said the update failed, then, upon reboot, I got a Blue Screen of death, and can't ...
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1answer
40 views

Testing hardware in computer that fails to POST

With a computer that powers on and runs its fan, but doesn't get any further, what would be useful troubleshooting steps and diagnostic equipment (if any)? It seems undamaged to look at, and the user ...
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1answer
668 views

How can one tell if a SATA controller is failing?

Most SATA controller errors exhibit symptoms similar to a hard drive failure, as best as I can tell (read/write errors, operating system stalls, etc.). I'm having exactly those issues but they ...
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3answers
84 views

Power off the computer every night and hardware life

I want to know if an office computer shuold be switched off every night or not to improve its hardware life. I know that some components like magnetic disks are degraded by reboots, but I cannot ...
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26 views

Disable broken laptop keyboard in Windows 8 [duplicate]

Is it possible to disable the internal Keyboard on my Laptop? I poured Tea over it and now the "M"-key is stuck. I tried a lot and it is far too expensive to replace the keyboard on this old laptop. ...
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2answers
138 views

Does having some Bad Sectors indicate that the drive will crash soon?

I have a Hitachi HTS723232L9SA62 320Gb 7200RPM HDD. I checked the SMART status and there are 3 bad sectors, totaling 1.5MB. This means that approximately 0.00046875% of my hard drive has gone bad. Is ...
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2answers
61 views

How well is computer hardware protected from sudden power loss? [closed]

I always wondered how well the computer components can handle sudden power outages due to janitor accidentally pulling the power cord, whole city block power outage or power generator failure. Are ...
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1answer
276 views

Laptop not shutting down completely. Not fast startup (hardware?)

My Dell Inspiron N5050 does not shut down completely. The screen shuts off completely and Windows seems to shutdown.. however, the power LED stays on (not the charging LED), the fan stays on, and I ...
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1answer
44 views

What kind of hardware do companies use for backing up their data? [closed]

From what I've learned, Tapes (LTO-5) is used, but I'm not sure if there is anything else out there that is a better alternative. What kind of hardware do companies use for backing up their data?
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58 views

Air from powerful ceiling fan keeps rocking my laptop display 24*7

air from powerful ceiling fan keeps rocking my laptop screen/monitor . I work in a small room with a ceiling fan above me. I noticed that the monitor/screen part of my laptop is shaking continously.(...
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1answer
33 views

Macintosh SE PSU Servicing?

First thing's first: I take full responsibility for any injury sustained while servicing a PSU. Any advice offered here is to be considered purely subjective. I own a Macintosh SE, which was ...
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1answer
231 views

Strange squeaking sound from Asus K52F laptop

About an year ago a strange sound started to appear from a laptop when it is turned on. I have no idea what that sound causes but on the Internet there are similar posts. I searched for a solution but ...
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1answer
3k views

Stopping a screen crack from spreading?

I have a late 2011 15" Macbook Pro (though I think my question is more general). I just noticed a small and fairly superficial crack on the glass covering the LCD -- there is no damage to the LCD at ...
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2answers
458 views

Is storing electronics in high temperatures different than operating them in high temperatures? [duplicate]

This may be a weird topic for SU but for those of us who are on the go a lot proving tech support or just carry our gear because we can and it is nice to always have around and with us, is storing ...
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1answer
53 views

Computer crashing at random

I've been having a "small-ish" issue where my computer randomly shuts down. Be it in the middle of a game or work etc, even on idle, it just crashes and reboots. no BSOD or anything. One minute it's ...
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1answer
35 views

Desktop doesn't boot [closed]

So I think I stuck a chunk of incompatible RAM on my mobo, smelled a burning smell and after switching out the RAM my machine wouldn't boot. Assumed mobo was fried and got a new one. I also recently ...
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1answer
59 views

Poor wifi strength after taking apart laptop

Wifi connection has been very poor since I took apart my laptop. These two loose cables are right next to the onboard wifi chip - there seems to be some relationship between how they're positioned ...
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2answers
84 views

Loss of space on a 16 Gb flash after format

So, I have a friend who has a flash drive that was playing music on a dvd player. Everything was great then all of a sudden it just stopped. First, I tried to do some data recovery on it but the ...
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71 views

Bought a slot-loading BD-RE drive, but it spits out every disc I feed it without spinning. What do?

I bought an internal UJ-267 (slot-loading BD-RE) drive, and I put it into my laptop. The trouble is that whenever I insert a disc into it (whether it's a CD or a DVD; I don't have a BD around to try ...
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1answer
35 views

Is it a sign of trouble when Windows mis-recognizes the brand/model of my thumbdrive?

I have an assortment of USB thumbdrives, which I use often on a few different Windows 7 machines. Occasionally, when I insert one or the other of them, Windows will completely mis-identify it--I'll ...
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2answers
320 views

Del Inspiron laptop no longer able to detect SSD

My Dell Inspiron 1545 laptop was working fine when it suddenly broke down. When it boots, it shows the error message: "No hard drive detected, please try to resolve the issue by reseating the drive." ...
3
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1answer
300 views

My computer has short circuited my graphics card(s) three times, and I have absolutely no idea what's causing it

Nearly a year ago, I came home to find my GPU fans spinning very loudly and my computer getting no video at all. So I restarted it, still no video output from the GPU, GPU fans are spinning at 100%, ...
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1answer
39 views

PC powers down randomly

My PC powers down and freezes randomly when on windows 7. It works fine on linux. I tried to run memtest and it powered down during(at about 12 %, 0 errors reported till then). On linux mint it runs ...
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1answer
408 views

Troubleshooting source of computer lockup (hang/deadlock)

Recently my desktop has been experiencing random lockups. By this I define a total system freeze, CTRL+ALT+DEL does nothing, LED's on keyboard don't turn on/off, unplugged/re-plugged mouse & ...
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2k views

Keyboard and Touchpad not working on ASUS notebook Windows 8

The full story can be found on my post here To sum up: The built in keyboard and touch pad does not function. I can only use external device(USB keyboard and mouse). Soon after successfully logged ...
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2answers
160 views

PC only turns on when it wants to

I think my PC is possessed; it only turns on when it wants to. ...Jokes aside, my PC is not turning on and the symptoms are very strange and, to some extent, apparently random. I need help ...
1
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1answer
32 views

Logitech Trackman “letting go” [duplicate]

Wondering if anyone's seen this issue where you're clicking and holding with a Logitech trackball and, although you're still holding the primary mouse button the OS (Windows in my case) acts as if you'...
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762 views

“The file Specified is not a virtual disk” Vmware Workstation error when PowerOn

I am using vmware workstation 10.0. When I tried to power on one of my virtual machines I got the error "The file specified is not a virtual disk." I had all my files in that virtual machine only, no ...
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84 views

PC always shutdown consistently after 2-3 hours

Problem : My PC always shutdown consistently after 2-3 hours, this happens suddenly and without any events being logged. Specs :   Intel core i7 870,   RAM 2gb x 2,   ...
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2answers
452 views

Why does running Linux eventually cause my ThinkPad T430 to refuse to boot or enter diagnostics?

I have a Thinkpad T430. Every time that I install Linux (Latest CentOS) on it, after a while, the computer refuses to boot, go into bios, or boot / diagnostics menu. I've run Windows on it, and it ...
2
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1answer
47 views

Computer mysteriously seems to power on after surge, but no video or network

I have a box running Linux Mint I've been using as a file/plex host for about half a year to a year. Last night there was a brief power outage and I shut down both of my PCs (linux and Windows machine)...
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47 views

Window's 7 won't install any new hardware. ex. new usb? [closed]

I don't know what happened, (It might be after the latest windows update, thought I'm not sure) but windows won't recognize any usb that weren't previously installed. Also, (I'm not sure whether this ...
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1answer
22 views

What is that “partial poweroff” feature?

Sometimes, when computer boots, I see motherboard logo, and sometimes, I don't. The situation depends on how computer was turned off. I.e. operating system (software) can turn it of "partially", so ...
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26 views

Is this normal new HD SMART Health?

Temperature is around 49ºC / 120ºF Also, it is making a noise like if there was dust inside it. What can I do?!
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311 views

Can I determine this RAM slot is damaged? [duplicate]

While playing around with some old parts, I ended up with the following hardware setup: Mobo: ASROCK 775Dual-VSTA (2x DDRII slots) RAM: 2x Kingston DDRII 533 1GB (KVR533D2N4/1G) I noticed ...
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27 views

Installed Kubuntu on old hard drive and now it's making loud clicking noises

I recently installed Kubuntu on a very old hard drive (it's 10 years old at least). It installed OK, but when I started the computer, I heard the hard drive making loud noises – sounds most like the ...
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50 views

Netbook's fried motherboard. Can the RAM be safely salvaged?

I gave a RAM module to a relative for using in a small netbook. The motherboard of said computer got fried (allegedly due to overheating) and I was planning on getting the module back for using in its ...