Small white spots on boot up

So I booted up my iMac this morning and before going into the login screen, I noticed this white spots on the top-left corner of the display:
Any one know of this problem or have the same problem? Sorry if it's blurry btw, crappy camera.

It happens every time?
It looks like it is displayed and not physically on the LCD panel, do you agree?
Since you noticed this problem, have you shut down (powered off) completely? If not, try doing so and then restarting after the iMac cools down a bit.

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Would you post a screen shot of a message so people can see what you are seeing? Make sure you cover any personal information using Preview. Post the screen shot in a Reply using the camera icon. Copy and paste doesn't work.
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Your Mac has a 1-year warranty. If this is a hardware problem in the display (and it sounds like it is) they will fix it for free.
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Hntjohnson wrote:
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Monitor Name:
LG Philips [Unknown Model: LGD03F0]
Monitor Name (Manuf):
LG Display LP140WHU-TPB2
Date Of Manufacture:
Week: 0, Year: 2012
Computer Name:
LENOVO-PC
Computer Brand Name:
LENOVO IdeaPad U430p
Operating System:
Microsoft Windows 8.1 (x64) Build 9600
UEFI Boot:
Present
Processor Name:
Intel Core i3-4010U
Original Processor Frequency:
1700.0 MHz
Original Processor Frequency [MHz]:
1700
CPU ID:
40651
CPU Brand Name:
Intel(R) Core(TM) i3-4010U CPU @ 1.70GHz

Hi Culex,
Welcome to Lenovo Community!
As per the query we understood that you are facing issue with white spots on your laptop screen.
Please try to connect the external monitor and check for the issue, try to boot the system into BIOS and check for the issue. Also check in different application.
Also try to boot the system to safe mode and check for the issue, if still the issue persists then please try to update the display driver and check for the issue.
Click here for the display drivers for windows 7.
Click here for the display drivers for windows 8.
Click here for the display drivers for windows 8.1.
Hope this helps. Do post back if issue persists!
Best regards,
Ashwin.S
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Message was edited by: Hi Im Sonic

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Link to image
Moderator note: large image(s) converted to link(s): About Posting Pictures In The Forums

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Small white spots on boot up

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