Dell optiplex 755 does not connect to monitor

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  1. you are using a wireless connection?

  If you are using a wireless connection, I suggest you to update the latest drivers for the network adapter and check if it helps:
  http://support.Microsoft.com/kb/283658

  Also check this link for troubleshooting steps:
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• Dell Studio 1555 does not connect to internet

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  SATA, who worked at the 2 update driver update changed 3.  So, you may be able to work around the problem of disk with a modified file, you can probably find at vm-help, but you will still need a NIC for networking.

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  My dell optiplex 740 will not start.  The screen is black, once it displays the Dell logo.  It does not say that the computer is in mode 'sleep'.

  1. Did you the latest changes on the computer?
  2. When was the last time it was working fine?
  3. You receive an error message?

  Method 1

  See the articles below and check if it helps.

  Computer stops responding with a black screen when you start Windows XP

  http://support.Microsoft.com/kb/314503

  After the Windows Logo appears or after you log in to Windows, a Windows XP computer cannot display the wallpaper, a black screen or a blue screen

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  See section to learn more about how to clean boot.

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  Reset the computer to start as usual

  When you are finished troubleshooting, follow these steps to reset the computer to start as usual:

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  -This computer has a HDMI port.

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  I use the operating system Windows 7 Home Premium 64 - bit with the Intel processor i5-2450 M CPU @2.50 GHz. recently the past 4 months, I have observed that Samsung Galaxy S3 does not connect to the Dell laptop

  We could not see the content of Samsung Mobile in the PC. No Popup message is coming

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  2. try with Samsung Kies

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• Dell OptiPlex 755 SFF rear disc HARD fan Press F1 CORRECTED an error!

  EDIT: Fix for F1 error is on the #2 post. Try only if you know what you are doing and don't mind not having is not a HDD stupid fan. I now only use a SSD and it needs no power noisy fan to waste.

  ORIGINAL MESSAGE:

  I removed the fan hard drive dying on the Dell Optiplex 755 SFF (fan is built in a hdd cage) and modded the side of the case to include a Yate Loon 120 mm fan. I removed the hard drive in its entirety and then used cage the where the floppy drive has been to place my SSD 256 GB of free space. The system is much more pleasant that way, and now he has place for 120mm fan (already modded).

  However, at startup, there is a rear fan error and it asks you to press F1 to continue. It disappears when I connect the old dying noisy fan (has more room for it). Because I don't want the hard drive cage (or his fan also) and I can not put the fan back in, I want to use the connector and the son of the old fan dead and hang it in my nice new Yate Loon, which is the ideal solution for cooling (used as a suction fan).

  The color codes are:

  Yate Loon (D12SL-12): Red = 12v, black = mass, yellow = Tach (I think)

  Dell drive HARD fan (STROKE BN06015B12H): Red = 12v, black = mass, yellow? Blue? (PWM or tachometer)

  What are the blue and yellow for the Dell HARD drive fan? Can I just plug the Red of Dells Yates red and black wire on black? This should give me a 12v fan work, however I wonder if the loons Yate flying over red wire could be used for the sensor.

  Any help would be great. Really sad that Dell did not include a fan setting ignore in the bios.

  Thank you!

  SkOrPn

  EDIT: Ok, Yate Loon do not light up when it is connected to the fan header. What is missing? The old fan of Dell is rated 12v A 0.36 and the YL is 12v 0.30 A, less than the old fan so the fan header would seem like the logical place to get needed power as it provides much. When the old fan is plugged it provides 12v, but does not provide power when Miss the blue and yellow wires?

  Edit2: Ok, understood as the Yate Loon uses the Red wire as the 12v fan (somehow, I thought it was yellow). Now, I think that the yellow must be a son of tachometer for rpm. Now I'm wondering if the Dell system can monitor the number of TOWERS to connect the yellow wire without prejudice to the system without the connected blue. In fact, I wonder if the controller monitors just RPM to warn of the fan failure. If so, maybe I can connect the yellow and get rid of this error from the BIOS at startup screen.

  Hello

  I've linked yellow pine of wire of the connector of the fan HARD drive on yellow pine of the CPU fan connector and no fan of F1 more at startup error -correction

  I have no need for my SSD disk drive hard noisy fan.

  

  

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  Hi all! :))
  I have an optiplex 755 minitour. I have a gt graphics card EN8600, I want to buy http://www.asus.com/Graphics_Cards/R72501GD5/ it. It comes in the box? I know that low profile 7750 is the best choice, but in my country is not available. Sorry for my English when I wrote something wrong. Thank you for your answer :)

  OK, so I ended up buying the card low profile Diamond HD Radeon 1 GB for my Dell Optiplex 755 minitour, well right off the bat I knew there would be problems, firstly the big black box is really tight against the card and because of two "transistors" just above the video card slot radeon hd7750 didn't come home. So I removed the top of the video card fan and he went, but when I got to the top of the computer screen, black. OK for the next, that I made that I had uninstalled my previous ATI Radeon X 600 series drivers and Yes, they were gone I also ensured that in my BIOS, this graphics card was elected s and when it does not work I went back to "automatic". Still does not work, the monitor says no signal it stays black. I tried to install drivers before I put the video card in and that has not worked, I tried to put the card in and remove the cmos battery to see if it would work and that SO it did not work, either I am completely frustrated and it was my birthday present and I was very happy to receive now really upset! I know I should of treated Tigerdirect! I bought the video card in DiamondMultiMedia on eBay, that they had a positive rating of 99% so I thought ok good deal lets roll. After all this, I called support and the tech told me as if I was a student of fifth to which I informed him that I had tried everything. He wanted to give me another card but I have to pay the shkpping return this Radeon HD7750 and then they send me another lmao graphics card I said no as I want my money back on my card! Do not buy this is not going in the Dell OLptiplex 755 MT

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  I try to connect my laptop to UZ2315h-online work DP.

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