A series of business-oriented desktop computers made by Dell. OptiPlex desktops typically use Intel processors and often include business-grade security and management features.

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Sound card diagnosis

I have a Dell Optiplex 780 running Win 10. When I first started using it sound was OK, but now the volume level is so low through my external speakers that the only way I hear sound is through the ...
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19 views

Windows 8 Pro Installation Hangs at 21%

I'm trying to install Windows 8 Pro on my old Dell Optiplex 745 to use as a server in my home, for some reason when I boot to the installer disc and start the installation it hangs at 21% on "Getting ...
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50 views

Windows 10 USB Installer refuses to boot

I've decided to upgrade to Windows 10 on my Dell Optiplex 760, but the problem is when I boot from the USB, nothing happens. This is also the same on my laptop which is where I downloaded the iso from ...
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70 views

Dell Optiplex 780 sound driver windows 10 low volume

I upgraded my Dell Optiplex 780 from Win 7 to Win 10. Everything works fine except even with audio volume at 100% the sound is ...
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42 views

Have to Unlock password on hard drive on Dell Optiplex 745 series

I have a Dell Optiplex 745 series Desktop PC. When I start the PC it asks for the password for hard drive. The whole message is following: Hard disk #***9RW0GKNY-595B is protected by a password. ...
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19 views

How do I keep my Dell OptiPlex AIO from disabling the keyboard and mouse when in HDMI in mode?

I have a Dell OptiPlex 9030 All-in-One computer, which has an HDMI in port. It seems that when it is on HDMI in mode rather than "computer" mode, it disables the keyboard and mouse--presumably because ...
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1answer
66 views

Upgrade Dell Optiplex 745 mini tower. [closed]

I have Dell optiplex 745 mini tower with Intel core 2 duo(2.40 GHz 2.39 GHz), 2GB RAM, 500GB HDD SATA 7200RPM. Could any one tell me which graphics card will be suitable for it so that I can play CS:...
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65 views

Can't unlock Widows 7 domain connected pc [duplicate]

My school was giving away old broken Dell Optiplex 745s away, so after working on it for a few days, I got it to work. But when I turned it on, it was still connected to the schools domain. So when I ...
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2answers
273 views

Windows 7 Multiple monitor issue

I've got the following config: Windows 7 with dual monitors on a DELL Optiplex 7020 When I'm leaving my screen for an hour or so and after I get back, the first screen refuses to "get back to work" ...
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2answers
169 views

The keyboard and mouse both stop working at the same time

I am helping somebody with this issue, which is a very odd issue. Her keyboard and mouse will both stop working at random times, there is no pattern to it, just complete random. I can connect to her ...
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419 views

Windows 7 PC stuck in boot loop after RAM upgrade

I just upgraded a Dell Optiplex 980 desktop PC (with a Core i5-650 CPU) from its previous 2x2GB (4GB total) of RAM to a new 4x4GB (16GB total). This is the maximum it should support, according to the ...
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70 views

How do i change my dedicated memory on my dell optiplex 780?

Hello I have been a gamer for a while now and I have noticed that I only have 64mb of dedicated memory can someone please tell me how to change it.So I can use higher qualities on stuff and have it ...
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101 views

Optiplex 380 - Memory module 1Rx16 not compatible with 1Rx8 type?

Tried to do memory upgrade a Dell Optiplex 380 which had a single 2 GB memory module (1Rx8 PC3-10600U-9-11-A1 from hynix). 1Rx8 should mean it's single rank with 8-bit wide data bus for each DRAM ...
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95 views

XFX Radeon R7 360 in a Dell Optiplex 380

Will my power supply in an Dell Optiplex 380 let me install a XFX Radeon R7 360 card? I know that it will fit and that I have the correct PCI slot. I also know that I would have to buy a power cable ...
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434 views

Windows 10 freezes every 30 minutes

I own a Dell Optiplex 9020 (the small one) with a Intel Core i7 processor and a 120GB SSD with a fresh install of Windows 10. The problem is that Windows freezes after about 30 minutes of running ...
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182 views

Line/Mic in, how to use my MIC

I am using Dell Optiplex 960 machine and I want to use MIC on rear panel but here is a little issue. I know that Line In can't work with headset's mic and I have only one Jack In with both icons of ...
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3answers
197 views

Dell Optiplex 380 RAM upgrade

I own an optiplex 380 which currently has 2x2GB DDR3 RAM, now I am willing to upgrade to 8GB and I tested a Kingston ValueRam of 4GB @ 1333Mhz and my system beeped with 1 and 3 LED lights lit. So does ...
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39 views

Is there a hotkey that would turn the screen black?

When I was typing on windows7 (Dell OptiPlex 9020, desktop) all the suddenly the screen went black as if I accidentally stumbled on a hotkey-combination that would have that effect. I verified that it ...
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150 views

Exceeding the specs----Optiplex 740 Desktop: Can the motherboard (0YP806 / YP806) handle MORE than 8 GB?

Dell Optiplex 740 / Windows 7 Ultimate x64 All the specifications show that this MB (Dell 0YP806) can handle a max of 8 GB. However, in the past I've had luck with exceeding memory in motherboards......
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102 views

Nvidia GeForce GT 220 and DELL Optiplex 740 SFF

I've got a problem with proper working of my Nvidia GeForce GT 220 card in my DELL Optiplex 740 SFF.The card was mounted into PCI-Express X16. After plugging a monitor into my card's VGA the display ...
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199 views

Dell Optiplex 3010 won't boot when monitor is disconnected

My Dell Optiplex 3010 won't start up when there is no monitor connected to it. When the monitor is not connected and I restart the machine, or shut it down and boot it back up, then it does not boot ...
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155 views

Dell Optiplex 780 incorrect Resolutions though DP to VGA adapter [closed]

We have several users using dual monitors and some of the ones connected though DP adapters and the monitors appear as Generic PnP monitors in the resolutions options with the wrong options. Any ...
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479 views

What is the largest capacity hard drive and the maximum amount of RAM I can put in a Dell Optiplex 960?

I just bought a Late 2008 Dell Optiplex 960 from my universities surplus store. Here is a detailed Technical Guide. I am going to purchase more RAM so it has 8GB DDR2 800MHz(which is supposedly its ...
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1k views

Kingston USB 3.0 Flash Drive write speed too slow

I have a Dell Optiplex 990 mini tower and I bought a Digitus USB 3.0, 2-Port, PCI Express Add-On card. I've connected it to the PCI-e 4x connector, I've installed the Renesas Usb 3.0 Host Controller ...
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1answer
800 views

Is there any way to setup a 3TB SATA drive in Windows XP? [duplicate]

I have a Dell OptiPlex GX520 PC and I want to setup Western Digital 3 TB (dynamic disk) in my PC. But it reads only 700 GB from Windows XP although it read 3TB from the setup screen of my Dell. The ...
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402 views

PCIe power from a Dell Optiplex 7020

We've just purchased a new Dell Optiplex 7020 to house a PCIe digitiser for use in scientific work. The PCIe card in question needs extra power in the from of a 6-pin 'PCIe' power cable. ...
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2answers
2k views

Which SATA port to use for Intel SSD with Dell Optiplex 990?

I just bought an Intel 520 Series SSD and I have 4 SATA ports on my Dell Optiplex 990. SATA0 - dark blue, SATA1 - black and SATA2 and SATA3 - white. On the datasheet of Dell Optiplex 990 I can not see ...
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586 views

Dell Optiplex GX270 - 2 short beeps

A static discharge happened in my Optiplex GX270 a few years ago, and I just now got around to replacing things. I've replaced the motherboard because I think it was the problem part, and the hard ...
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2k views

Dual Monitors on Optiplex 9020 DT

I am trying to install a second monitor on my Optiplex 9020 DT (I'm using Windows 7 Professional). Both are Dell U2412M Flat Panel Monitors. I have one plugged in using a DVI and one with a VGA, as ...
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459 views

Cannot turn on bitlocker windows 7 with TPM and NTFS - Optiplex 7010

My specs are: Dell Optiplex 7010 Windows 7 ultimate C and D drive both of them are NTFS TPM My problem is: When I am trying to activate bitlocker on drive C, I am getting error message ...
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1k views

ATI radeon hd 5450 Graphics Card Issues

I have an Old Dell Optiplex 755 SFF with an Intel Core 2 Processor (windows 7). Now This can hold a PCI-E x16 port. Now I got an ATI Radeon HD 5450 low profile. I plugged and played and it fits ...
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872 views

Use more than 2Gb RAM in Dell Optiplex 320

A while ago I purchased 2*2GB Sticks of RAM for my Dell Optiplex 320. When I inserted them i was greeted with a series of beeps, and a system that would not boot. I checked each stick, and ...
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658 views

How would one enable AHCI mode on a Dell Optiplex 320?

How would one go about enabling AHCI mode on a Dell Optiplex 320? I have installed a SanDisk Ultra+ 256Gb SSD and cloned my Windows 8.1.1 install over, then re-aligned the partitions, but I'm still ...
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1answer
155 views

“Computer guy” upgraded my processor, now screen had flickering color lines

After paying to have my 3.4 single core cpu upgraded to a pentium D 945. Computer is dell Optiplex gx620 and OS is windows XP. Has 4gb ram and the graphics card is geforce gt 430. I know it's not the ...
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240 views

When printing to Dell 5130cdn, document shows up on LCD screen but nothing prints

I have a user who is unable to print to a Dell 5130cdn. When she tries to, the name of the document will show up on the LCD screen and the rollers will start spinning as if it is going to print, but ...
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842 views

Full-size card in slim case?

I have a Dell Optiplex 745 (the slim one) and was thinking of upgrading the video card. I was interested in something like the GeForce GTX 660 Ti, but because I have a slim case, this may not be ...
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146 views

Is there an easy way to check the memory?

Recently we had a couple machines in our office have problems with RAM. The initial symptoms vary but ultimately the computer fails to boot and the diagnostic lights indicate RAM failure. I've done ...
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1k views

Enabling wi-fi for an Optiplex 960?

The wired ethernet is working but I have problems turning on the wi-fi for some reason. Why can't I use the Wi-Fi network with this Dell Optiplex 960? I put in the correct password and the Wi-Fi ...
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3answers
658 views

64 bit Windows 7 and driver installation [duplicate]

I am planning to install the 64 bit version of Windows 7 OS and just wanted to confirm if the OS would install the drivers for my system automatically or I'll have to install them manually after the ...
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495 views

Connecting a Dell Optiplex 755 to 4 monitors

A few months ago I connected 4 (four) Dell 2009W monitors to a Dell OptiPlex 790 01. The OS was Windows 7 Enterprise (x64) Service Pack 1 (build 7601) I used the original Dell proprietary connection ...
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2k views

Update Optiplex gx520 bios

im trying to update the bios on an optiplex gx 520. Ive tried looking for instructions but im still confused. i downloaded the bios update from dells website. I currently cannot boot into windows to ...
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268 views

Random graphics artifacts on Dell optiplex 780 with Radeon HD 3400

I have a Dell Optiplex 780 with a ATI Radeon HD 3400 Series graphics card. To it I have two Dell monitors connected, one P2210H and one P2211H. After not using the computer for some 8 months I just ...
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1answer
880 views

Auto vs Onboard/Card Dell Desktop

What is the difference between auto and onboard/card on the dell optiplex 960? The description is very lacking. As the name suggests for auto, if I do not have a video card inside, it will still use ...
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1k views

Performance issue on Windows 7 Dell Optiplex 990

We have 19 Dell Optiplex 990's all with 16GB of RAM, and 2 1TB HDD in RAID. They have a 3rd Generation i7 processor. The problem is, even having just one program, Word for example, open and just ...
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5k views

Dell Optiplex 9020 and 2560x1440 Monitors

I am buying a Dell Optiplex 9020 with this GPU: AMD Radeon™ HD 8570, 1GB DDR3, FH, 1 DP 1 DVI Will this support the native resolution of 2560x1440 via its DVI port? If not, will I be able to ...
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267 views

Dell Optiplex 755 - Windows 7 - Mouse buttons swapping at random

I have imaged a Dell Optiplex 755 with Windows 7 32-bit, at random, the mouse buttons swap themselves over. This is rectified when the user logs off and logs back on. The reg entry for the mouse is ...
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2answers
647 views

Is it possible to set diagnostic lights on a Dell Optiplex GX520 PC?

I have a Dell PC with 4 diagnostic lights in the front that light up during POST and then remain off. Is it at all possible to manipulate them from Windows? Would writing to low memory locations using ...
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465 views

Slave a computer screen display through USB port

I usually slave my university computer displays by hooking up a vga cable from my laptop to the screen, but recently the uni has upgraded their PCs and the vga ports are hidden behind a locked port ...
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2answers
3k views

Master/slave PATA setup not recognized

I have two Seagate barracuda 7200.10 500 GB drives pulled from an old Lacie Big Disk Extreme. I have been using them both in a Dell Dimension 4600 in a master slave configuration, (one by default has ...
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4k views

How do I get rid of words on my BIOS splash screen?

I have a Dell OptiPlex GX620 and on the BIOS splash screen above the Dell logo it says the name of a college and I would like to get rid of that so it’s normal. I have tried to flash the BIOS by ...