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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was thinking of getting an Intel Dual Band Wireless-AC 7260 for my dell optiplex 7010 usff 0MN1TX motherboard but wanted to ask some questions first

i know this may be a dumb question because anything i have seen implies i would need an antenna but looking at the motherboard continues to raise questions such as would it fit (the motherboard is an ...
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2 answers
327 views

Use two monitors on base optiplex 9020

I have the full dell Optiplex 9020 with no additional graphics card, it has one VGA and one serial port but that is it. Is there any way to use two monitors with it using a VGA splitter or something ...
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My TP Link WiFi adapter fails to connect with windows on each boot

I have an OptiPlex-7080 desktop with Windows 10 Pro. I have a TP Link TL-WN823N WiFi adapter and on each boot windows says: "the last usb connected to this computer malfunctioned". If I ...
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Can i use PC3L-12800E instead of PC3-12800U

I have Dell Optiplex 7010 PC with 4g pc3-12800u installed RAM, I tried to install pc3l-12800e ram, but the pc not booting and power button blink 3 then 5 times. So what's the issue? And in general can ...
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Optiplex 990 powering on and off

As soon as i power on the PSU the pc starts itself without even pressing the power button then shuts down So the fans and everything thing powers on for 1 second then powers off repeatedly till i ...
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PC starts after several attempts

I have a dell optiplex 7080 tower pc, working fine. But sometimes (not all the time) it fails to boot after after 3 attempts it boots up. I have a Transcend 512GB 220S SSD installed on my PC. Why this ...
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My Optiplex 7080 doesn't detect audio devices

My Optiplex 7080 doesn't detect any speaker (even if it is its built-in speaker) after startup. But after a restart, it works fine! I guess that this problem is caused by fast startup on windows 10. ...
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1200VA UPS Doesn't Supply Power to Monitor

I have a DELL Optiplex 7080 Tower PC running on windows 10 pro, and a Samsung SR35 Monitor. I had connected them into a 1200VA Offline UPS, but sometimes, when computer boots up (after the splash ...
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DELL Optiplex 7080 taking multiple times to start

I've a brand new DELL Optiplex 7080 with Windows 10 and Ubuntu 20.04 dual boot. But the problem is that sometimes it takes multiple times to start. Why this happends and how to fix?
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Identify mechanism thats disconnecting monitor

I have a Dell Optiplex 7070 running Ubuntu 18.04.5 LTS, with 2 monitors connected via DisplayPort. Under normal operation (RDC, Firefox, Video Streaming), both monitors remain connected and the CPU ...
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1 answer
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Dell Optiplex 755 boots to Network by Default

I have a PXE Boot Server That is used for installing Debian and MemTest86+. Suddenly my Dell Optiplex 755 starts to boot to PXE Boot by Default Even know Debian is Installed on the System. I can boot ...
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Bad sectors on brand new NVMe SSD's

At work I have roughly 50 brand new Dell Optiplex 7070's with LiteOn SSD's that were loaded with a custom Windows 10 image using Acronis Cyber Backup 12.5. A few weeks after imaging, ~30 of these PC's ...
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Windows 10 SSD partition suddenly became Unallocated Disk Space

Is anybody familiar with this issue? Weather its the Windows 10, SSD or BIOS issue? I have this Dell Optiplex 9020, then I bough a new SSD Kingston A400 , I clean install using the latest version of ...
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CMOS cleared after power loss, even though I've replaced the battery

One of my PCs will not retain its CMOS settings after power loss. This usually means that the CMOS battery is dead. I verified this with a multimeter on the CMOS battery after I removed it from the ...
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Dell Optiplex 7010 can't see 2nd sata hard drive

I have this Dell Optiplex 7010 and am trying to add a 2nd SATA hard drive that is 10tb in size. I can't seem to get it to recognize it consistently in the bios when its attached via SATA, even though ...
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Optiplex 760 recognizes PCI-Express card as SDVO

I plugged a hp nc364t network card into the PCI-Express slot of my Optiplex 760. The NIC is fully working I tested it in another PC. However the Optiplex just recognizes the NIC as a SDVO card ...
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Dell Monitor blacking out

Black stripes start appearing on my Dell monitor occasionally and things come back to normal in few minutes. I have tried using a different VGA cable and even power cable but no luck. I doubt if it is ...
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Can the optiplex 790 be either vertical or horizontal? [duplicate]

Not sure which of these I have: ...the Mini Tower, Desktop, Small Form Factor, or the Ultra Small Form Factor but it's probably either the mini tower or desktop. I can say that the DVD drive ...
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How to add Hard Drive to Dell Optiplex 330 Desktop?

I read in the manual for the Dell Optiplex 330 that I can use second HDD. Actually I want to place 2.5" SSD. But I don't even understand where can I place 3.5". Tried to remove the 1st HDD and find ...
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1 answer
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CMD won't switch from c: to d:

My dad's Dell Optiplex 9010 has Windows 10 as his operating system. He said it was acting weird so he restarted it. When it rebooted, it came up with the error message bad_system_config_info. It then ...
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Can Dell optiplex 9010 i7 connect to four monitors using two display port cables, one VGA and USB 3.0 to VGA?

I am a trader, I have four monitors. I am trying to connect them to a Dell Optiplex 9010 with two display ports, a VGA and two USB 3 ports. I have two display cables, USB 3.0 to VGA cables. And I ...
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Connect a Dell Latitude power adapter to an Optiplex 7040M?

I have a Dell Optiplex 7040 Micro, which is a device about the size of a flattened NUC, that uses an external 65W power adapter for its juice. Dell usually uses for every laptop they built the same ...
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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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1 answer
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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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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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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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309 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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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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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?
3 votes
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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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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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Blinking power button in yellow color on a Dell OptiPlex 7010

We have a 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 ...
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1 answer
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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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1 answer
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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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1 answer
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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. ...
2 votes
1 answer
691 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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1 answer
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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 ...
1 vote
3 answers
125 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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1 answer
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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 ...
10 votes
2 answers
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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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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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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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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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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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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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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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-1 votes
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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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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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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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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 ...