Low Level Format Notebook
Chamar Riche
I don't think there were any recent updates. Was playing a game it froze closed out than bsod with a message inaccessible boot device. Restarted and after a few minutes happened again. I ran a dism online and than sfc it fixed some files but it crashed again but this time with the 3d0 error and i couldnt access the system recovery option it just restart and give me the 3d0 error. I did find in the uefi config.. it said incomplete optane volume. I eventually installed windows on my 2nd ssd just to make sure I can boot in. So Currently The boot manager is on the Intel and the os is on the 2nd ssd. ( i guess that happened cause they were both in when i did the new install) The boot manager seemingly is in the optane part as only the optane shows in device manager and intel memory manager the 512gb doesn't show up. ( currently in bios it shows my uefi hii configuration as non-raid physical disk intel.) Diskpart shows disk 0 as my 2nd ssd showing it correctly as a 1tb. And disk 1 shows 27gb which is the intel ssd (and I'm assuming the optane only) The intel ssd doesn't show up at all under my pc only my other regular ssd. Edit. I tried hp recovery with a usb all I get is the omen logo and it freezez after a few seconds and I let it run for an hour like that just in case but nothing happened I tried it with and without the 2nd ssd
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As stated in my post, I am able to boot into windows as I installed a new os on my 2nd ssd with the boot remaining somewhere on the Intel ssd. The issue is currently the intel ssd is not showing up under my pc, meaning I can't access it. When I go to device manager or the bios or intel optane manager I can see it but it's only showing up as 27gb available memory. The other 500 gb isn't showing up. In the bios under the uefi hii congress it says it's the intell ssd non-raid physical disk with 27gb.
Please note that Optane is basically a RAM so you won't be able to install and use the Master Boot Record on it. You have to perform low-level formatting and clear everything. Once done, you can install the Operating System on the primary drive.
The option to perform low level format isnt there for me in the intel management tool. I was following steps to perform low level format using cmd diskpart clean all. But it didn't allow it as it contains the boot, system, pagefile,crashdump, or hibernation volume.
Under unixoid systems you can do it with "hdparm". You need to get "root" first, then do the following. This is assuming that the drive you want to low-level format is "/dev/sda" and that you have "hdparm" installed.
The parameter is a capital "i", not a lowercase "l", just in case the font is ambiguous. If the drive shows "frozen" you must first "un-freeze" it. What you need to do to "un-freeze" it depends on the device. Most devices will "un-freeze" if you put the system to "suspend to RAM" mode, then wake it up again. If the device shows "not frozen", you can proceed.
It should now display "enabled" under "Security:". This is quite a critical step. The device is now secured. If you power it down, it will lock and might become inaccessible. When you perform the low-level format NOW, security will be disabled again and you can continue using the device.
Please note that Low-Level formatting a hard drive refers to something completely different and should never be done by an end user. Also note that the notion of formatting a drive comes from the old DOS days. In Unix/Linux creating file systems and partition tables is more common and precise.
Supplemental:There is also the possibility of keeping the partition table and just erasing the boot loader code in the MBR, but you should make a backup first and then try zeroing the boot loader code:
Note that some boot loaders utilize the space between the MBR and the first partition to safe additional data. This is likely not to cause issues in this case, but if you want to do a complete boot loader backup, you should be aware of this.
Please note that this will not effectively overwrite all data on the disk, despite the warning. It will remove the partition table and data will not be accessible easily, but data will still be recoverable by an expert.
A Low Level Format (LLF) means redefining physical disk layout. This is not doable by user on today's HDDs and SSDs. One usually want's to perform LLF to securely erase all data, reallocate bad sectors and/or remove malware.
The parameter is a capital "i", not a lowercase "l", just in case the font is ambiguous. If the drive shows "frozen" you must first "un-freeze" it. What you need to do to "un-freeze" it depends on the device. Most devices will "un-freeze" if you put the system to "suspend to RAM" mode, then wake it up again. If the device shows "not frozen", you can proceed [ed. llformat is just a dummy password].
It should now display "enabled" under "Security:". This is quite a critical step. The device is now secured. If you power it down, it will lock and might become inaccessible. When you perform the low-level format NOW, security will be disabled again and you can continue using the device [ed. try --security-erase-enhanced first if your drive supports it].
Today's HDDs and SSDs reallocate flaky sectors to service areas so that they are no longer visible to the user. How is this done depends on device firmware. Most commonly you can check for sectors that need reallocation using smartctl -x /dev/sdX and check Current_Pending_Sector raw value. Here's more about reading the reallocated sectors related values:
It's so sad that SMART is so poorly understood; I think SMART tells alot about the drive and is the best drive diagnostic available. Sadly, few people know how to interpret the SMART data, and programs that try to interpret for the user do a poor job at it.
Realloacted Sector Count = INVISIBLE bad sectors that have been swapped with reserve sectors. These sectors are NO LONGER VISIBLE to your operating system and as such can NEVER cause any more problems.
However, the value 200 you're seeing is a normalized value where the higher = better. You have to look at the RAW VALUE instead! For example, a raw value of 0 reallocated sectors might be the equivalent of a 200 normalized value. If the normalized value drops below the THRESHOLD value, that SMART attribute counts as a FAILURE. So if the normalized value is 200 and the threshold value is 100, that would be perfect, while the normalized value being 98 and the threshold being 100 would mean that attribute signals a FAILURE.
Important SMART attributes: - Reallocated Sector Count = bad sectors in the past; this might have caused problems in the past but does not have to; drives replace weak sectors as a precaution which may never have caused any problems. - Current Pending Sector = THE MOST DANGEROUS smart attribute; this should ALWAYS BE ZERO or you have severe problems! This can be either weak electric charge with insufficient ECC correction ability -OR- it can be physical damage. Writing to this sector will solve the problem; if there was physical damage it will be realloacted by a reserve sector and the Reallocated Sector Count raw value will increase. - UDMA CRC Error Count = cabling errors; if this is higher than 1000 and increasing you have severe cabling problems; under 100 does not need to trigger any alarm. Technically this means the receiving end did receive a corrupted version of the data that was sent by the transmitter; the corruption was detected by CRC which means the data is NOT accepted and the request will be sent again. Unless you see very high values or it keeps increasing steadily, this usually is not a big issue.
If you just wanted to remove a malware and you did all of the above you are still not safe. A Malware can be hiding in firmware. You have no chance to know for sure whether anything is in there and whether it is overwritten even if you re-install firmware. So to be 100% safe, you need a new drive. Wait.. do you trust your supplier 100%?
The way the Jupyter protocol works is that the backend kernel (here, IJulia.jl) sends output as a dictionary in multiple formats, and the front-end chooses which one it wants to display. Here, IJulia sends text/plain, text/markdown, and text/latex formats for the documentation. The jupyter notebook is rendering the text/markdown format, but apparently VSCode is trying to render the text/latex format and failing. As noted above, you can force VSCode to use text/markdown via
It would have to be handled upstream, in vscode. They have so far closed all of the related issues (linked in Cannot render Julia's help document in VScode Jupyter Notebook Issue #13493 microsoft/vscode-jupyter GitHub), unfortunately.
Some fields, such as code input and text output, are characteristically multi-line strings.When these fields are written to disk, they may be written as a list of strings,which should be joined with '' when reading back into memory.In programmatic APIs for working with notebooks (Python, Javascript),these are always re-joined into the original multi-line string.If you intend to work with notebook files directly,you must allow multi-line string fields to be either a string or list of strings.
Rich display outputs, as created by display_data messages,contain data keyed by mime-type. This is often called a mime-bundle,and shows up in various locations in the notebook format and message spec.The metadata of these messages may be keyed by mime-type as well.
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