thunderbolt – Dual external display flickering issues with CalDigit USB-C HDMI Dock and MacBook Pro 2017

thunderbolt – Dual external display flickering issues with CalDigit USB-C HDMI Dock and MacBook Pro 2017 – Ask Different

Peak load upgrade and downgrade SQL Server 2017 Standard SQL Server 2017 Enterprise

We are currently running on SQL Server 2017 standard edition and for higher traffic weekends like Mothers day we want to go on SQL Server 2017 enterprise version and during non peak hours we want to come back on Standard. We run on AWS EC2 images of respective versions. My question is

  1. Can we just take the backup of 2017 standard and restore on 2017 enterprise? I mean do we have to do an in place upgrade and not a backup and restore
  2. Similarly can we do a restore from 2017 enterprise to 2017 standard during non peak hours? I mean it is mandatory to do an in place downgrade

We tried the backup restore option and running into memory issues

What is the best approach?

imac – Why does the 2021 Mac have a lower Ghz processor than the 2017?

When I look at the 2017 specs it seems the 2017 provides

3.4GHz quad‑core Intel Core i5 (Turbo Boost up to 3.8GHz)
3.5GHz quad‑core Intel Core i5 (Turbo Boost up to 4.1GHz)
Configurable to 4.2GHz quad-core Intel Core i7 (Turbo Boost up to 4.5GHz)
3.8GHz quad‑core Intel Core i5 (Turbo Boost up to 4.2GHz)
Configurable to 4.2GHz quad-core Intel Core i7 (Turbo Boost up to 4.5GHz)

Where as the 2021 processor starts at only 3.1Ghz and goes up to the same processing of 3.8Ghz:

3.1GHz 6‑core 10th-generation Intel Core i5, Turbo Boost up to 4.5GHz

iMac 5k (2017) does not always boot when connected to UPS

Ill start by saying that this particular imac is mainly for music production so it only goes online for software updates if not its always offline. I’m currently on high sierra as it is very stable for all my music stuff.

I bought an EATON 5S 1500VA about 4 months ago and twice now out of nowhere the iMac did not boot when connected to the UPS unless i change in which socket it’s plugged (there are 8 sockets total..4 surge protected and 4 with battery).

It was connected to the battery socket number 1 and it worked fine until suddenly it did not boot anymore, so i plugged it in battery socket number 3 and it worked…then today it did not boot again on socket number 3 so i plugged it in socket number 2 and it booted. Both time this happened i immediately tried connecting directly bypassing the UPS and both time the mac started fine.

Now you would think its a problem with the UPS except that my old 2009 mac pro boots on all 4 sockets everytime i’ve had that problem.

I switched the UPS off, disconnected everything before connecting everything again but its still the same…i really don’t know what to do…

Hope someone here may have an idea of what the heck is going on and can guide me.

Thank you

Expert says Tesla stock is a bubble similar to BTC in 2017.


Hopefully and Tesla is not a bubble as it happened with Bitcoin in December 2017.
But the co-founder of the macroeconomic research firm, MI2 Partners, believes that the behavior of Tesla shares is similar to the behavior of the price of Bitcoin in 2017.
These similarities are shown by comparing daily BTC prices against Tesla’s weekly prices, and there are substantial differences, Bitcoin is increasingly seen as a store of value and Tesla is…

Read more

display – Lag on external monitor using a Macbook Air 2017 with a Intel HD Graphics 6000 1536 MB and running macOs Big Sur 11.2.3: what could be the solution?

HOST MACHINE: Macbook Air 2017

GRAPHICS: Intel HD Graphics 6000 1536 MB

MACOS: Big Sur 11.2.3

Intel HD Graphics 6000:

Chipset Model: Intel HD Graphics 6000

Type: GPU

Bus: Built-In

VRAM (Dynamic, Max): 1536 MB

Vendor: Intel

Device ID: 0x1626

Revision ID: 0x0009

Metal Family: Supported, Metal GPUFamily macOS 1


Resolution: 1920×1080 (1080p FHD – Full High Definition)

UI Looks like: 1920 x 1080 @ 60.00Hz

Framebuffer Depth: 30-Bit Colour (ARGB2101010)

Display Serial Number: H9XZ103518

Main Display: Yes

Mirror: Off

Online: Yes

Rotation: Supported

Automatically Adjust Brightness: Yes

Connection Type: Analog VGA or Analog Over DVI-I

Adapter Firmware Version: 0,00

1) At home I use my mac connected to a SAMSUNG 2494HS via VGA + CableDeccon video adapter.
The default resolution is 1920×1080 at ~60HZ.

Recently ( maybe correlated to the new macOs update) I noticed some lag in the external monitor. The events occured only when I run VirtualBox (v. 6.1) and I increase the resolution: above a certain threshold the VM starts to lag.

It is not correlated to any specific VM, but is the same with any.

2) If I use the HDMI cable (whatever type) or I set ad unscaled resolution with VGA, the display looks blurry.

3) Last but not least, if I close the mac and use only the external display with the setting as 1) the VM does not lag any more.

What could be the problem and possible solutions?

I tried to unscale the resolution, use differents setting for the VM (different video adapter, memory size, processors…) but with no success.

2017 iMac crashes when booted from thunderbolt SSD

My dad’s 2017 iMac with the 5400-rpm internal hard drive was painfully slow, so I installed Big Sur on an external 1TB Thunderbolt SSD and migrated the contents of the internal drive onto it. I am able to boot from the SSD normally, and it is fast and usable again – but only for a few minutes. Eventually, MacOS will crash, even without doing anything as a user, and the computer will restart itself. The computer will operate normally, albeit painfully slow, when MacOS is booted from the internal drive. I didn’t notice anything peculiar looking at the activity monitor. What could be causing this? How should I go about diagnosing it?

macos – 13″ MacBook Air (2017) shuts down with wheel for 5 minutes before restarting

My 2017, 13 inch MacBook Pro (macOS 11.2.3) has, for the past 3 days, been acting up when I shut it down. After closing down apps individually, I shut it down (without the reopen tabs on next login feature enabled) but then after a few seconds it comes to a circle wheel on my desktop background going round and round. It does this for about 5 minutes before it comes to a screen saying that it’s going to restart and then I log in like normal.

Are there any ways that I can get this phenomenon to stop? Or ways that I can find out what it is?

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