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Results for Optiplex 755
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  • Forum Thread: Optiplex 755 - Strange Problems

    Greetings! I have a Dell Optiplex that was given to me in known working condition. It has sat for about 6 months, unplugged, just sitting on the floor. A couple of days ago I decided that I'd like to set it up as a little storage server. When booting though, I would not get any video. I reset...
  • Forum Thread: Optiplex 755 SFF Upgrade CPU to Q8200S

    I have a Optiplex 755 SFF and would like to upgrade the current E6750 CPU with a Q8200S quad core CPU. Does the Optiplex 755 SFF support this CPU?
  • Forum Thread: Optiplex 755 SFF MOBO into a MT Case?

    I have an Optiplex 755 Small Form Factor PC. Can I swap the mother board into a Dell 755 MT Mini Tower case?
  • Forum Thread: Optiplex ram problems

    Hello, I have some Ram problems. First I tried upgrading my Optiplex 755 with two sticks of 1gb Kingmax DDR2-800 RAM in slots 3,4 because I wanted to reinstall Windows Vista with more RAM. That failed. Computer wouldnt boot up. Then i took out Kingmax RAM and computer still wouldnt boot. There...
  • Forum Thread: Need detail on installing 2nd HD in Optiplex 755 Desktop

    I want to buy a second Hard Drive for my Optiplex 755 Desktop to install Win 7 Pro 64-bit. (My current HD and OS is Win XP Pro SP3.) Questions: 1) In 2014, am I still limited to WD or Samsung for a new internal HDD? In the past, Dell said any other brands would be rejected by the BIOS as a heat risk...
  • Forum Reply: RE: Optiplex 755 grapics card

    Most double slot cards use the second slot 'plate' as a cooling vent. That is blocked by the Optiplex case. The solution is up to you. I have a X1950XT - double width - that would fit an Optiplex 755 MT, if: 305W PSU will drive it? A: 2D uses just 50W, but 3D 110W (peak). Cutup the card's...
  • Forum Thread: Optiplex 755 grapics card

    http://store.galaxytechus.com/GALAXY-GeForce-GTX-750-Ti-GC-Slim-2-GB-GDDR5-PCI-Express-30-DVIHDMIVGA-Graphics-CardbrbrBONUS-Low-profile-brackets-now-included-freebrbrFree-Gift-150-In-Game-for-Warface-Path-of-Exile-and-Heroes-of-Newerth_p_90.html I've found a 750 Ti that should fit into it. I just...
  • Forum Thread: Optiplex 755 SFF more silent how?

    Hi there. I've got a refurbished Optliflex 755 SFF. Indeed is a great work machine, this one is has a E8400 and 4Gb of Ram, working well. I'm now upgrading the HDD but what i would like the most is a more quiet machine. I'm already clean it from the inside out, temps are great (42ºC...
  • Forum Thread: Optiplex 755 No video on monitor

    Hi all, I recently bought a Optiplex 755, recently a fault has occured with it, which no video is shown on the computer monitor. I have verified the monitor and the connection cable is not at fault, as I have tested with other devices and they work with it. If anyone is able to help, please do so,...
  • Forum Reply: RE: Dell PCI Serial port not installed

    You need to make sure to install the Dell system chipset drivers(under chipset). http://www.dell.com/support/drivers/us/en/04/Product/optiplex-755
  • Forum Thread: OptiPlex 755 Memory problem

    Hello, Just recently I bought 4 Gigs of ram for my OptiPlex 755 and installed them. During booting the computer stated that the memory had changed. When I opened My Computer / Properties It states 6gigs installed (only 3gigs usable). I searched around and I believe the problem is my system runs a 32X...
  • Forum Reply: RE: Optiplex 755 won't stay "off"

    I could not change my password to access MEBx no matter what I tried. After some reading, I found that the new password needs to have upper case, lower case, 1 number and 1 special character. One post I read said it needs to be 8 characters so that was what I did. It worked my first try after using these...
  • Forum Thread: Optiplex 755, powers on by itself?

    I have a strange problem with this optiplex 755? yesterday i buy my optiplex 755 and i setup SPSP3 and create all partions (it is not contain any data in any kind ). i go to sleep. when i wake up i found that my PC is turned on without any one touch it? but the electricity cable is pluged in all night...
  • Forum Reply: RE: Optiplex 755 USFF cpu and ram upgrade

    Hello I have a similar PC - Dell 755 Mini Tower. It is with Q9450 processor and 2 of these RAM modules - Hynix HYMP512U64CP8-S6 (2 x 1GB DDR2 PC6400 1.8V). I want to upgrade the RAM now. You can check what my CPU-Z is showing in the pic below. As far as I understand my PC6400 chips are running...
  • Forum Thread: Dell Optiplex 755 powers on, all LED's Green, No video output.

    I have a DELL Optiplex 755 running windows 7 for the last year. Powered down gracefully yesterday, but when I tried to power it on today, there is no video output. Details: When I press the power button, all lights in the front turn green. Hear the Fan come on. No VIDEO OUTPUT. Power lights...
  • Forum Thread: Dell 755 Drives turn on for a second or two then off again when PC is shut down.

    I have a Dell 755 with XP Pro, 4Gig Memory, 2 HDs, 2 DVDs, Floppy Drive, 3 External Drives. When the PC has been powered off for a while, ALL the drives (all eight) spin up for a few seconds then turn off again. This is not a frequent occurrence but is repeated periodically; I have not timed the intervals...
  • Forum Thread: Dell Optiplex 755

    I am considering getting an Optiplex 755. The main issue I run into is that I do not know which of the versions it will be (MT, DT, SFF, or USFF) until I actually receive the machine - just the way it is when I get them from the dealer I am buying from (used corporate machines, so rarely the USFF but...
  • Forum Thread: OptiPlex 755 video card initialization

    I have a strange problem with the following setup: OptiPlex 755 with A13 BIOS ATI Radeon HD 2400 XT 1 Dell AS501 monitor connected to cable 1 on the ATI Radeon. The problem is simple: The ATI Radeon is not initialized at POST; it is only initialized when Windows starts up. It makes accessing...
  • Forum Thread: Need Help Video Card Upgrade for Dell Optiplex 755 Desktop Chasis?

    Hi Everyone, My son likes to game. The power supply in my dell optiplex 755 desktop chasis shows 280 watts. What video card can i get that the power supply can handle? Also from what i understand i can get a full height video card. The adapter is vertical not horizontal as in my optiplex 745. ...
  • Forum Thread: Optiplex 755 Tower Asus HD 6450 Silent Optimization

    Hi, Thanks to the advice about suitable cards I found on this forum, I recently installed the Asus HD6450 Silent video card on my Dell Optiplex 755 miniTower. Installation seems to have been successful. This is the first time I have installed/upgraded the graphics adapter from stock. My optiplex has...
  • Forum Thread: triple monitor setup using onboard and pci-e video card

    Hi, I just bought a new dual-headed video card (XFX Geforce 8600 GT pci-e) for my optiplex 755. Now I would like to use both the onboard graphic card (for 1 monitor) and my new video card (for 2 monitors) to create a triple monitor setup. After installing the new video card, the onboard graphic...
  • Forum Thread: Dell OptiPlex 755 SFF and Multiple Monitors

    Hello, I recently purchased a second user Dell OptiPlex 755 SFF (C2D 2GHz, 2Gb RAM, 80Gb HDD). I also no possess three monitors (1x Dell 19", 2x IBM/Lenovo 19" - all have the same maximum resolution of 1280x1024). I'd like to know the most practical and cost effective way of running...
  • Forum Thread: Dell Optiplex 755 BIOS update from A20 to A22 issues...

    I just wanted to give a heads up, and maybe others can confirm this as well. I just spent / wasted a few days / hours and hours and hours trying to figure out why I was getting a black blinking screen with cursor at top left after the Dell/BIOS splash page loaded and then finally after several seconds...
  • Forum Thread: Optiplex 755 Minitower - that won't POST / go beyond amber power light and LOUD Fan

    why will this machine not go beyond the amber power light/loud fan? the LAN connector light is on,but it just won't do the POST/DELL light test - not even the pre start/power switch on test it does. but when the power button is pressed, the CPU fan goes on LOUD and the power light turns on amber...
  • Forum Thread: Optiplex 755 MT cpu upgrade

    Will a regular Q8200 (not extreme QX8200) work in this machine? Thank you!