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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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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30 views

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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341 views

ESXi 7 Hardware Sensors on Dell OptiPlex 7040

I am running ESXi 7 as Hypervisor 1 on OptiPlex 7040 with Intel Core i7-6700k 4.0 GHz and 32GB RAM hosting 4 virtual machines. Everything is working well, except for the lack of Host System Sensors ...
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382 views

VMWare ESXi 7 install on Dell Optiplex 7080 fails with "No network adapters found"

Just got a refurbished Dell Optiplex 7080 Mini Computer and want to run VMWare ESXi 7.0 on it. When booting to a USB with the VMware ISO on it, the install gets going but fails abruptly with: No ...
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334 views

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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126 views

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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144 views

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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222 views

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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59 views

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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65 views

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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166 views

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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261 views

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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118 views

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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158 views

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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96 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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953 views

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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289 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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3k 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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218 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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283 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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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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116 views

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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978 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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22k 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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246 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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3k 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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46 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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565 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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133 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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108 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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18k 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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889 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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194 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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787 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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1k 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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387 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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997 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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4k 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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264 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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225 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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1k 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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450 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 ...