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Old 07-16-2019, 08:48 AM   #1
kalilinuxlivecd
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Question Disc drive that opens after closing?


Hi,

I just wanted to get some views, I have a second hand optiplex 780 desktop system, the DVD drive has opened sometimes, and I close it, only for it to open again.

Is that a problem with the drive itself? It happens every few months, the last time was earlier in the year.

Thanks.
 
Old 07-16-2019, 10:28 AM   #2
Pastychomper
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So it opens on its own and reopens when you close it?

My first guess would be the drive, intermittent problems tend to be hardware related IME (on Linux systems at least). Maybe an oversensitive/loose switch, or something odd about the firmware.

Having said that there's a chance that some little-used software process tells it to open. I have seen a system monitor open a CD drive repeatedly when its attempts to poll the drive confused the automounter, but that was a long time ago.

Does it ever do the re-opening trick after you've deliberately opened it?
 
Old 07-16-2019, 10:42 AM   #3
rknichols
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My guess would be a failing sensor that should indicate that the drive has closed completely. It's the action that occurs when an improperly placed CD/DVD causes the drive to jam while closing. Usually those sensors are optical, so it could just be due to dust (or around here, cat hair).
 
Old 07-16-2019, 12:28 PM   #4
kalilinuxlivecd
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Thanks for the response.

Sure, sometimes it occurred just randomly. It has done so today for a long while.

Since I can no longer use the drive, tried some clips a few months back to get the software icon available in the computer window, it is useless.

If I hadn't replaced power supply, this would still be okay, and when loading the system, I wouldn't have to keep pressing F1 to select the drive.

Must be the main board that shuts the system down every two weeks, for up to a date or two. This is the same system, I want to use linux with 7, it is an old banger computer, works okay.
 
Old 07-17-2019, 12:30 AM   #5
enorbet
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Heheh There used to be a "free app" for Windues to provide users with a cup holder. When one clicked on it the optical drive door opened. Brilliant!

I have recently ranted about software switches like optical drive door opening and closing having a mind of their own. I hate it that they won't always open when I push the button. It's like I have some authority figure saying "Tssk Tssk. Not now child". I'd be far happier dealing with any consequences since then I'd at least learn what times actually are not appropriate and why. Worse are Power On/Off switches that remove us from real control, making us ask permission from software. Grrrr!

Appropriate to this thread, it is my guess either the drive or the BIOS is faulty and I don't mean the hardware. I'm talking about firmware. If you can find a firmware update for your DVD drive and instructions how to update it, I recommend you do that. Motherboard BIOS on some boards/chips is even more frail and subject to deep corruption. I'm currently dealing with two mobos right now that have seriously damaged BIOS, and it's looking like, if I'm lucky I will probably have to replace the chip as well as the firmware image. Flashing an upgrade improved things slightly (I'm typing this from one of them) but it's still erratic. Gonna take both it seems.
 
Old 07-17-2019, 03:50 PM   #6
kalilinuxlivecd
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So this firmware is the connection with the hardware, sort of like the software.

Well the system returned to normal a few hours ago, so that was a day later.

And yes, the disc drive just opened again, my lower foot is in front of it, the pc is on the bottom of the desk I have the systems on.
 
Old 07-17-2019, 08:33 PM   #7
frankbell
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It really sounds like the drive is failing. Stuff wears out.

Replacements are cheap these days.
 
Old 07-17-2019, 09:08 PM   #8
enorbet
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Quote:
Originally Posted by kalilinuxlivecd View Post
So this firmware is the connection with the hardware, sort of like the software.

Well the system returned to normal a few hours ago, so that was a day later.

And yes, the disc drive just opened again, my lower foot is in front of it, the pc is on the bottom of the desk I have the systems on.
Firmware IS Software. The only reason it has a "special" moniker is that in the early days it was viewed as more difficult to access being largely invisible to a casual User, sort of like the human subconscious autonomic system. It wouldn't be efficient, let alone wise, for humans to be commonly able to or worse, required, to control heartbeat, breathing, etc., consciously. Similarly, controlling the most basic "language of conversation and operation" of hardware, usually all prescribed withing BIOS/UEFI of the motherboard and the peripheral devices, could risk catastrophic failure.

In the case of your optical drive while it would be moderately risky to flash the firmware, the only thing at stake is the optical drive itself. If you know the exact brand and model you can check on websites for how to upgrade the firmware. It's a bit of a shot in the dark since the firmware could be OK and just badly responding to a faulty piece of hardware. That situation could only be repaired by replacement. Most people will opt for the 30 bucks or so to get a new one, but if you'd like to learn something a little bit amazing, take the risk and flash it. The only thing at risk is the drive and the cost to replace it. Nothing else is at risk. I've done it many times over the decades.
 
Old 07-18-2019, 09:06 AM   #9
TenTenths
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Smile

Have you checked the obvious? That the drive is possessed by the devil!
 
Old 07-21-2019, 12:34 PM   #10
business_kid
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Exactly how old is that drive? Can you check if the button is physically going to the `not pressed' position?
 
Old 07-22-2019, 09:29 AM   #11
kalilinuxlivecd
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I bought the optiplex system in late july 2017, so the system is from 2010, but the architecture is about 2007/2008, so I imagine exact time. May be it was put it in after it was first manufactured.

Currently the system is down since yesterday. I'm using a HP 8000 elite system.

To be honest, the drive isn't that important, I have another drive that could work on here, that was from the other optiplex 780 small form factor.

I mainly interested in getting the Linux to run like a dual boot. Otherwise I will have to use windows 7 for how ever long after the end of support date.
 
Old 07-22-2019, 01:46 PM   #12
enorbet
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Well, the obvious answer is switch to USB drive. If you're stuck on Windows it is my understanding that "Rufus" will easily build a bootable thumbdrive from a Linux iso. It's also a LOT faster than optical drives.
 
Old 07-23-2019, 08:55 AM   #13
kalilinuxlivecd
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The lite is still installed on the optiplex alongside 7, but there is no access to it.

I'd have to buy another USB to install on there, and just like you state have the system select the USB to run right after power on.
 
  


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