2020 MacBook Pro won’t mount WD external hard drive

It’s formatted HPS+. Mounted fine yesterday (and for a long time before that). Now, the light on the drive blinks on-and-off and it sometimes briefly shows up in the output to diskutil list as /dev/disk3. I’ve tried diskutil eject disk3 and similar variants.

The drive automatically mounts on linux without issue.

I do not see fsck running (I checked with ps auxw and top from a terminal). I did not find any interesting log messages via the Console program.

We had trouble about a year ago. Apple support recommended upgrading the OS and I think that worked. We also bought a second cable for the external drive, but ended up not needing it. I just tried the second cable and it didn’t make a difference. There was an upgrade OS available and we tried that after talking to Apple support this time, but it didn’t make a difference. The drive mounts fine on a ~2016 Mac Air.



1. Set up email and PayPal in fullz name

2. Make a swappa.com account

3. Link PayPal to swappa don’t use accounts you made the same day let your PayPal sit for a day or two(longer then better) add a debit card then try for around 300$ if your account is new

4. Find something decent price to sell (Nintendo switch . Air pods pro laptop you get the idea make sure it’s a popular item so it sells fast) you should have some type of access to the device to take verification photos

5. You can go on letgo and other selling apps to find people posting pics that won’t be on google and sometimes those idiots leave the serial exposed.

6. With that let’s say you just have the device you can take the verification pics with the device and use some one else’s pics who has like extra controllers or games(you get the idea inflate the price cause it’s a package)

7. Make sure you set the price on the lower end so it looks like a steal people will comment random questions just respond and before you know it it’s sold.

8. Money goes through PayPal and is ready for instant transfer

9. Only post one item an account from what I understand you can
make two accounts and link the same PayPal if you got a strong one that’s aged.

10. Make sure to switch up where you take the photos at don’t use the same room and try to keep your hand out the photo so they don’t try to flag you before post other than that it’s easy money. Just gotta make accounts and be patient.

11. You don’t even need a drop it’s PayPal spend it on something send the money to a friend say some one owed you. Only the account that got the money from swappa will be affected after you move it it’s gone.

12. It works like this account a sent money to account b. Account a is swappa account b is your drop. When account b sends to account c. Account c is not on the hook for anything that happens if account a charges back on account b. Account b goes negative account c keeps the money account a gets a refund. The drop account b takes the full fall.( Venmo works the same way) middle man account is the term used for these accounts that take the fall.


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2020 M1 MacBook Pro: Built-in display does not show entire desktop (truncates 300px from right and 200 px from bottom)

It seems like I have a desktop which is slightly larger than my screen. When I maximise a window the bottom portion (approx 300 pixels) and right portion (approx 200 px) are not visible. I can move the mouse to that invisible and perform click operations but the pointer is not visible on screen. (It is shown when in the visible region). Attempting to scroll beyond the visible extremities does not pan the screen.

See the attached screen shots. For the truncated ones, I captured a portion of the visible regions, starting at the top of the screen and moving to the right-most visible (or bottom most). For the non-truncated ones I moved the mouse enough such that I could be confident of being at the extremity of the desktop – but I had to do this unseen.

Horizontal truncation:
visible portion of status bar, showing horizontal truncation

full status bar

The same thing happens with vertical truncation, but the images take up a lot of vertical space in this post and don’t really add much (though I can add them if this is desired).

I’ve had to move the Dock to the left of the screen in order to make it visible but I would prefer to keep it on the bottom.

In terms of my machine setup:

I’m using a new 2020 issued M1 MacBook Pro running Big Sur. I’ve tried both with and without an external display. With an external display, that external display shows fine (and has no truncated region). But in both setups, the built-in display of the laptop is truncated.

In case it matters: I migrated my data to it from a 2015 edition MacBook Pro which had been upgraded to Mojave.

I’ve tried looking in System Preferences but don’t see anything related to screen size in the Displays subsection. I’ve also tried looking for zoom/magnifying settings (such as might be used for a11y reasons), again to no avail.

I’d welcome suggestions for things to try here.

My solution for Advent of Code 2020, Day 4, in C

Here is my solution for Advent of Code 2020, Day 4, Part 1 in C. I tried using fscanf or fgets, but couldn’t find a nice of doing it, so I ended up using getc. Is there a way of using fscanf or fgets that makes this code better? Also, how does the code look in general?

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef struct keyValuePair
    char key(4);
    char value(20);
} KeyValuePair;

typedef struct passport
    KeyValuePair fields(8);
    int numberOfFields;
} Passport;

int main()
    FILE* f = fopen("../input.txt", "r");
    if (f == NULL)
        printf("Fail opening filen");
        return -1;

    Passport passports(1000);
    int currentPassport = 0;
    int currentField = 0;

    char key(4);
    char value(20);

    int c;
    while (!feof(f))
        c = getc(f);
        if (c == 'n')
            currentField = 0;
            // read key
            key(0) = (char)c;
            key(1) = (char)getc(f);
            key(2) = (char)getc(f);
            key(3) = ''; // place null terminator at the end

            // discard ':'
            c = getc(f);

            // read value
            int index = 0;
            while (c != ' ' && c != 'n')
                c = getc(f);
                if (c == EOF) { break; } // at the last line, instead of a new line we have EOF
                else if (c != ' ' && c != 'n') { value(index++) = (char)c; }
            value(index) = '';  // place null terminator at the end

            strcpy(passports(currentPassport).fields(currentField).key, key);
            strcpy(passports(currentPassport).fields(currentField).value, value);


    int numberOfValidPassports = 0;
    for (int i = 0; i <= currentPassport; ++i)
        if (passports(i).numberOfFields == 8) { ++numberOfValidPassports; }
        else if (passports(i).numberOfFields == 7)
            int cidFound = 0;
            for (int j = 0; j < passports(i).numberOfFields; ++j)
                if (strcmp(passports(i).fields(j).key, "cid") == 0)
                    // passport contains cid and has 7 fields, therefore invalid
                    cidFound = 1;
            if (!cidFound) { ++numberOfValidPassports; }

    printf("Number of valid passports: %d", numberOfValidPassports);

    return 0;

BLACK FRIDAY Recap: Best Black Friday 2020 Offers on LowEndBox & LowEndTalk!

We wanted to take the time to reflect on some of the most popular offers that were featured on LowEndBox/LowEndTalk on Black Friday 2020. Some of the below offers may (or may not) be available for ordering depending on the provider stock. While we have no control over this, we suggest clicking some of the order links, as you might get lucky!

We would like to thank providers and the community members for joining the fun on LowEndBox and LowEndTalk during Black Friday 2020, this was definitely one of our best and most eventful Black Friday’s so far, and we hope you were able to snag up an awesome deal or two! 

2020 Black Friday Offers featured on LowEndBox/LowEndTalk

Provider: RackNerd

RackNerd was definitely one of the most popular providers both here on LowEndBox, and over at our sister site LowEndTalk during Black Friday 2020. I almost couldn’t keep up with all of the replies on their thread! RackNerd was the most engaged, hosted giveaways, flash sales, and had the most viewed Black Friday thread on LowEndTalk at over 217,000 views and 7,800 comments – with plenty of RackNerd’s own customers joining the fun and engaging with the community.

The party does not seem to be quite over yet! RackNerd’s New Year thread on LowEndTalk experienced even more traffic, clocking in at 230,000 views at the time of this post.

Below were RackNerd’s Black Friday offers in 2020:


  • 1x vCPU Core
  • 15 GB SSD Cached RAID-10 Storage
  • 512 MB RAM
  • 1000GB Monthly Bandwidth
  • 1Gbps Public Network Port
  • Full Root Admin Access
  • 1 Dedicated IPv4 Address
  • KVM / SolusVM
  • LOCATION: San Jose, Dallas, Atlanta, or New York
  • Only $8.89/YEAR!


  • 1x vCPU Core
  • 30 GB SSD Cached RAID-10 Storage
  • 1 GB RAM
  • 3500GB Monthly Bandwidth
  • 1Gbps Public Network Port
  • Full Root Admin Access
  • 1 Dedicated IPv4 Address
  • KVM / SolusVM
  • LOCATION: Los Angeles DC-02, San Jose, Dallas, Atlanta, New York, or Amsterdam
  • Only $15.25/YEAR!


  • 2x vCPU Cores
  • 45 GB SSD Cached RAID-10 Storage
  • 2 GB RAM
  • 6000GB Monthly Bandwidth
  • 1Gbps Public Network Port
  • Full Root Admin Access
  • 1 Dedicated IPv4 Address
  • KVM / SolusVM
  • LOCATION: Los Angeles DC-02, San Jose, Dallas, Atlanta, New York, or Amsterdam
  • Only $21.79/YEAR!

Provider: HostHatch

HostHatch was another popular provider during Black Friday 2020, particularly on our LowEndTalk site! HostHatch’s LowEndTalk thread clocked in at over 152,000 views and 4,200 comments – with interesting/unique deals such as large storage VPS’s!

Below were some of HostHatch’s Black Friday offers in 2020:

  • 1x 2.4+ GHz
  • 3 GB RAM
  • 3 TB usable storage
  • 9 TB bandwidth
  • $84 per year
  • Add more resources for $30 per year per chunk. Each chunk is 1 GB RAM, 1 TB storage and 3 TB bandwidth. Up to 30 TB storage per VM.
    (More Details)

Read on for more great deals recapped! 

Provider: VirMach

VirMach was late to the Black Friday party in 2020, and started their event after the Black Friday weekend, but they were “fashionably late”! They ran a Black Friday sales event over at LowEndTalk, which received nearly 80,000 views and 3000 comments.

You can view customer feedback and experiences, on their LowEndTalk thread here.

While VirMach did run some flash/surprise sales, here are some of their regular Black Friday 2020 offers:




Provider: ServaRica

ServaRica is a provider with servers in Montreal, Canada and they hosted a sales event on LowEndTalk which did over 13,000 views with nearly 500 comments.  Most notably was the amount of disk storage included with these VPS’s – and because it’s not very often you see a VPS deal like this out of a location like Montreal!

Here were some of ServaRica’s popular plans during Black Friday:

Lion SSD Offer

Flying Fish SSD Offer

Provider: AlphaVPS

AlphaVPS is a provider with its headquarters based out of Bulgaria. During Black Friday 2020 they ran some sales on their Ryzen based KVM VPS’s, riding on fast NVMe storage! Their LowEndTalk thread had a decent amount of engagement and interest from the community here. Below were some of their offers:

KVM Ryzen VPS with NVMe:

  • 1GB RAM – 2x Ryzen 3.8GHz+ vCores – 15GB NVMe – 1TB Bandwidth – KVM – 15EUR/y – ORDER NOW
  • 2GB RAM – 2x Ryzen 3.8GHz+ vCores – 30GB NVMe – 2TB Bandwidth – KVM – 30EUR/y – ORDER NOW
  • 3GB RAM – 4x Ryzen 3.8GHz+ vCores – 45GB NVMe – 3TB Bandwidth – KVM – 45EUR/y – ORDER NOW
  • 4GB RAM – 4x Ryzen 3.8GHz+ vCores – 60GB NVMe – 4TB Bandwidth – KVM – 60EUR/y – ORDER NOW

While we wish we could mention every provider that participated during Black Friday, this is a recap of some of the most popular threads/offers that we’ve seen. 

Some related links:

We’d like to thank all of the providers for bringing us such wonderful diversity in the marketplace!


I’m Andrew, techno polymath and long-time LowEndTalk community Moderator. My technical interests include all things Unix, perl, python, shell scripting, and relational database systems. I enjoy writing technical articles here on LowEndBox to help people get more out of their VPSes.

big sur – black screen macbook air 2020 M1 only second display works

I have a MacBook air 2020 M1 and the built-in display doesn’t turn on, it is black. The weird thing is that when I connected the second display and just write my password “in the dark’ the second screen worked (I’m writing from my mac right now, but the built-in screen is black).

I tried:

To disconnect all peripherals and turn it on – nothing

Hard reboot – nothing

nvram – nothing

As I have access to terminal there is any command I can run to reset what needs to be reset?

Thanks in advance!