Computer screen appear not when the cover is open, please help!

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  I have problem with value NULL when the use CASE statement please help this question

  
  

  Table: digital_val

  SNO cl C2

  1 San1 11

  2 22 San2

  Actual result: expected to A         B

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  11 NULL

  22 NULL

  
  

  
  

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  AS (SELECT 1 AS 'Sno', 'San1"C1, c2 FROM DUAL 11)

  UNION ALL

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  SELECT CASE WHEN c1 is "San1" THEN END AS A c2.

  CASE WHEN c1 = "San2" THEN END AS B c2

  OF digital_val;

  With no other input, if you select 2 rows, you get 2 rows.  One of the other solutions use a max function, but is this really what you want, does not specify?

• Satellite A100-237 screen remains off when the lid is opened

  OK I'll try my best to explain this. My power settings are adjusted so that the computer has no effect when the lid is closed - except for the display, which is turned off and back on when the lid is opened (normal behaviour).

  Now, in rare occasions, when I opened the back cover, the screen doesn't come back, unless I close the back cover and open again. It is not a big problem for me at the moment, but I'm afraid that the connections of the screen with the motherboard by the cover have been damaged.

  BIOS version 2.00, maybe an update could solve it?

  Thanks in advance.

  Hi Ataberk,

  I think that your problem can be caused by the micro-switch that will detect when the laptop lid is closed. If this switch is in the open position so your screen will remain off even with the lid open. The idea here is that you can get the display by closing and opening the lid again.

• 7520 Photosmart printer - ink cartridges carriage out when the cover is opened

  The transport does not automatically moves himself posted to the right of the machine when the lid is open.  I'm unable to change empty ink cartridges.  The machine was purchased new April 2013 and is out of warranty.  I turned off and turned it back over 15 min later, no change.

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  Hi @Clayball,

  I see that you have problems with the transport not to move to the middle in order to change the cartridges.

  I would like to help.

  I would like to do a hard reset to see if that will solve the problem.
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  If the transport does not move freely when grasp the front, it's OK to gently push the carriage to the left or right to move along the rail.
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  When I close the lid on my computer & open it again, the computer does not wake up, it shows just a black screen!

  Hi George,.

  From the description of the problem, it seems that the computer would not wake from sleep when you close the lid and open it again. I understand the inconvenience.

  Let us, try to perform the following methods and check if it helps.

  Method 1: Run the troubleshooter of power

  Open the troubleshooter of power

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