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

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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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14 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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8 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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0answers
9 views

2 hard disk not working at once

i recently bought seagate 1000 GB SATA hard disk for extra storage, and currently using seagate 500GB SATA hard disk with intel dual core 1.8GHz, intel 945GCPE motherboard, But when connected both ...
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1answer
23 views

Inability to move data from one harddrive partition to another [closed]

A while ago, I was moving data from one partition to another without any problems, but after moving a lot of files I was unable to do it. I am stuck now, especially since the partition containing ...
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1answer
58 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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12 views

BTRFS RAID10 improperly handling broken device

Today my personal hypervisor experienced a harddrive failure. Plain and simple, one drive completely stopped responding and any attempts to access it resulted in I/O errors: [root@Helium ~]# ...
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1answer
45 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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15 views

Issues with Microsoft sculpt ergonomic keyboard/mouse

I have a Microsoft sculpt ergonomic keyboard and mouse. When I switch the computer on, it makes a beeping noise and the keyboard and mouse are unusable. I have replaced the batteries and that didn;t ...
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3answers
92 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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3answers
184 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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22 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
30 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
21 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
69 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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0answers
25 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
61 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
50 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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0answers
20 views

No POST with PCI-e HD5450 VGA iface but IGfx works

I'm trying to fix a DOA motherboard. The fan was dead and I replaced it. CPU now works via the IGfx. I've set the BIOS specifically to: PEG PCI-Express (from Auto/Internal/) The HD5450 Sapphire card ...
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1answer
64 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
29 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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1answer
32 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 ...
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1answer
21 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
57 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
54 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
193 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
29 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
31 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
36 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
60 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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31 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
31 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
48 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." ...
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1answer
66 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
36 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
109 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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179 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 ...
3
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2answers
70 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 ...
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69 views

Get 'Uncorrectable error in data' error in my hard drive error log. Is it failing?

In my drive's error log, I get a loto of Uncorrectable error in data errors and 'Media write protected errors' The total error count is 2534! Have 1 re-allocated even count but no re-allocated ...
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1answer
25 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 ...
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73 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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0answers
75 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
80 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
31 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 ...
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0answers
17 views

Timer (and animations) running at half speed

I noticed that recently all animations on my PC started running slowly (Aero animations, Games etc.) , although everything else is running normally. This seemed very strange, so I ran a simple C++ ...
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0answers
37 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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0answers
36 views

Diagnosing hardware issue/Laptop won't boot

My (discontinued) HP Pavillion Notebook won't turn on. I encountered this issue RIGHT after the cord connecting my ac adapter to the wall outlet was unplugged (not the plug in the wall, but the ...
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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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25 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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1answer
52 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 ...