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Questions tagged [dell-optiplex]

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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16 views

Windows Computer not working

I have a Dell computer optiplex 990 running windows 10. I had to take my computer for a science competition to another city where upon assembling the computer would not display anything on the ...
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67 views

I change Voltage from 220V to 110V

My dell pc Power Supply uses 220V and my country standard too. And i chage the Voltage from 220v to 110 V at the back of PSU. And suddenly makes sound and smokes after that its stops working. chance ...
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Dell Optiplex 790 - Won't power on

I have two Optiplex 790 SFF systems, both out of warranty. One system displays the yellow flashing power LED and does not power on when the button is pressed, which I know is due to a PSU failure and ...
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38 views

Dell Keyboard Mouse Bluetooth USB Dongle Lost

I have lost the Bluetooth USB dongle of Dell's wireless keyboard and mouse (it was a combined set so there was one common dongle). Is there at all a way to use them? I saw that logitech gives a ...
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606 views

How to change the Service Tag on a Dell Optiplex 9020

I recently replaced the mobo on an out-of-warranty dell optiplex 9020. I then tried to update the BIOS to latest. When I run the BIOS update exe file, I get a message saying "Cannot Update a Optiplex ...
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27 views

What does it mean if my computer beeps rapidly and doesn't stop when I turn it on?

There is serious power failure that occurs repeatedly these days in my location, and this caused my PC to shut down suddenly as the electricity goes away(I use Desktop computer.) But when there was ...
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331 views

SSD locked after “botched” Dell Data Wipe

I have a very annoying issue with SSD that I wanted to securely wipe so that I can reinstall things before selling laptop. Not sure what happened, but after completed wipe SSD (and SSHD, which I ...
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196 views

Wierd bar appearing on screen

I have a Dell Optiplex 3050 with W10x64 Pro, nothing fancy. But every so often a bar appears in maximized programs. It is at the bottom, and it starts between the taskbar and overlaps the maximized ...
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14 views

Accessing the Debug LEDs on Dell OptiPlexes

Dell OptiPlex machines have debug LEDs on the front panel that say 1-2-3-4.  How can they be accessed from Linux/Ubuntu?  Perhaps via ACPI commands?
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Cracked wires on Dell Optiplex L280e-01 power supplies

I have 19 Dell Optiplex XE SFF computers that were manufactured between 2009 and 2013, and I've noticed a severe defect with insulation falling off of the wiring on the power supplies with early (<...
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307 views

What is the correct dual channel configuration of Dell OptiPlex 5050 (Tower) motherboard

I am unable to find any useful manual for this motherboard online which tells me the correct dual channel DIMMs config for this motherboard. Can anyone suggest me the correct DIMMs config?
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6k views

Blinking power button in yellow color on Dell Optiplex 7010

WE have Dell Optiplex 7010 model system with windows 10 pro 64 bit and system is working fine but the problem is whenever i restart the system is not booting and dell power button is keep on blinking ...
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126 views

How to calculate the number of watts for every addiotnal part to my pc?

Could you help me how to calculate the number of devices I could add to my computer safely to the limit of the power supply (290 watt) I have Dell 9020 core i5 tower pc and I want to add the ...
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911 views

Dell Optiplex 980 failure

I have a Dell Optiplex 980 that was running for years with no problem. Now it crashed, it won't start and the diagnostic digits 1 and 3 are flashing on the front panel. Is there something I can do? ...
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1answer
39 views

What would cause random turning off

My desktop (Dell Optiplex 790) is turning off about once a day. And it loses power fast, like if the plug was pulled from the wall. I ran the diagnostics and it reports that all hardware is fine. ...
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235 views

DELL Optiplex 790 Shows only 3rd LED

My Dell Optiplex 790 Machine is not starting, and only 3rd Diagnostic LED is solid. Sometimes it's starting (After a 100 times restart) Can anybody tell me what's the real issue ?
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1answer
75 views

Windows 10 Sign Out Automatically

I have an issue that when I login into windows 10, after I put in a username and password, it shows sign in and then automatically signs out without any error message. It has happened since windows 10 ...
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3answers
84 views

Booted into black screen with a flashing under score

I am having a problem with my computer, a black screen with a flashing under score. I was updating my system yesterday, then I let it update for awhile to complete and then switch it off. After ...
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1k views

dell optiplex 790 not starting

I have a dell 790 OPTIPLEX MT. First it starts and, as always, all diagnostics lights flash. Then only the 3rd diagnostic light is solid and nothing gets displayed. Nothing happens and the fans keep ...
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7k views

How are Dell's default computer names (DESKTOP-XXXXXX) generated?

How are Dell's default computer names (DESKTOP-XXXXXXX) generated? I had always assumed that the computer names were the service tag numbers since they are also 7 characters but that doesn't appear ...
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729 views

USB Drivers not installing on deployed Dell machines Windows 10

I have a number of machines to update to Windows 10 which currently run Windows 7. I am specifically having issues with Dell Optiplex 760, 360 and 380 machines. I did have a similar issue with 780's ...
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1answer
27 views

Monitor blinks on and off after RAM

I have a Dell desktop that had 8 gb of RAM. I upgraded using the crucial.com scanning tool to determine the right type of memory. At first I left in the two 4GB sticks and put the two 8 gb sticks in ...
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2answers
566 views

Determine Dell model numbers for batches of computers by IP or Service Tag?

I have ~2000 computers that I'm trying to create a database for, and see what models these are. I have the Service Tags, and the IP addresses, and I can manually go in and run a remote System ...
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2k views

Dell Optiplex 780 Upgrade

I've read multiple posts that explain issues with upgrading a Dell Optiplex 780, mainly due to issues such as a low wattage power supply and low gigabytes of RAM. What I would like to know is, what ...
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835 views

Amber power light on Dell dekstop

I've got a Dell Optiplex 745. When I turn it on at the power socket, the power light is amber. When I press the power button, the fan starts (loudly!), and the power light remains amber. The ...
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1answer
325 views

Dealing with the CS24-NV7

I just recently bought one of these to make a homelab. I was going to buy more but it seems whatever I try it will not work, I’ve tried booting ubuntu server from USB (one setup through a uui and ...
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1answer
582 views

How to detect the ammount of dedicated video RAM (on Dell)

Is it possible to increase dedicated video RAM on Dell Optiplex 990? I have 1696 available graphics memory, but I can't seem to change anything related to the dedicated video RAM anywhere even in the ...
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2k views

Getting an Optiplex 790 Desktop FF motherboard working in another case

I moved my Dell Optiplex 790 Desktop FF (form factor) motherboard into another case so I can use my EVGA 600 Watt Bronze power supply, but it will not turn on. I do not know where to put the power ...
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240 views

Dell Optiplex 210L w/ Windows 7 64-bit reserving memory for “hardware”… how to release?

I recently picked up a Dell Optiplex 210L with 1 GB of RAM. I did a clean install of Win7 64-bit and then I upgraded it to it's max of 4 GB of RAM. The BIOS reports 4 GB. Windows reports 4 GB total,...
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185 views

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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2answers
664 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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2k 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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389 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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507 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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132 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
775 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
5k views

The keyboard and mouse both stop working at the same time

I am helping someone with an odd keyboard and mouse issue. Her keyboard and mouse will both stop working at random times. There is no pattern to it, just completely random. I can connect to her ...
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2answers
3k 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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741 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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627 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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1answer
2k 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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1answer
2k 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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3k 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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230 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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473 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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569 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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1k 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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3k 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
2k 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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940 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. ...