<![CDATA[iFixit - Answers With Device "Dell Optiplex 790"]]> https://pt.ifixit.com/Answers/Device/Dell_Optiplex_790/All?rss=yes en-US Sat, 08 Aug 2026 11:24:53 -0700 <![CDATA[Dell Optiplex 790: Porquê que o meu P.C o monitor so pisca amarelo e não inicia o computa]]> Porquê que o meu P.C o monitor so pisca amarelo e não inicia o computaPorquê que o meu P.C o monitor so pisca amarelo e não inicia o computa

⟐ Answered fevereiro 09, 2024 at 12:26 GMT-7

]]> https://pt.ifixit.com/Answers/View/836007/Porqu%C3%AA+que+o+meu+P.C+o+monitor+so+pisca+amarelo+e+n%C3%A3o+inicia+o+computa https://pt.ifixit.com/Answers/View/836007 Fri, 09 Feb 2024 12:26:25 -0700 <![CDATA[Dell Optiplex 790: Why is my port not working]]> What I should do to make USB port working?

⟐ Answer edited agosto 01, 2026 at 21:56 GMT-7

]]> https://pt.ifixit.com/Answers/View/966432/Why+is+my+port+not+working https://pt.ifixit.com/Answers/View/966432 Sat, 01 Aug 2026 21:56:07 -0700 <![CDATA[Dell Optiplex 790: How to make new power button bcz this is broke]]> can you give me the answer

]]> https://pt.ifixit.com/Answers/View/965315/How+to+make+new+power+button+bcz+this+is+broke https://pt.ifixit.com/Answers/View/965315 Sat, 25 Jul 2026 07:37:02 -0700 <![CDATA[Dell Optiplex 790: Why power button blink orange light]]> Why power button blink orange light

⟐ Commented julho 03, 2026 at 5:59 GMT-7

]]> https://pt.ifixit.com/Answers/View/957781/Why+power+button+blink+orange+light https://pt.ifixit.com/Answers/View/957781 Fri, 03 Jul 2026 05:59:01 -0700 <![CDATA[Dell Optiplex 790: My computer asking an operating system wasn't found.]]> My pc asking. An oprating system wasn't found. Try disconnecting any drives that don't contain an operating system.

Press Ctrl +Alt+Del to restart

]]> https://pt.ifixit.com/Answers/View/949745/My+computer+asking+an+operating+system+wasn't+found. https://pt.ifixit.com/Answers/View/949745 Sat, 11 Apr 2026 02:32:06 -0700 <![CDATA[Dell Optiplex 790: It will display some color while it is working and then turn off.]]> It will display some color while it is working and then turn off.

Update (04/09/26)

It will display some color while it is working and then turn off.

⟐ Edited by author abril 09, 2026 at 23:39 GMT-7

]]> https://pt.ifixit.com/Answers/View/949550/It+will+display+some+color+while+it+is+working+and+then+turn+off. https://pt.ifixit.com/Answers/View/949550 Thu, 09 Apr 2026 23:39:18 -0700 <![CDATA[Dell Optiplex 790: My pc is not turning on]]> Pc is not turning on but it was running good last night

]]> https://pt.ifixit.com/Answers/View/948339/My+pc+is+not+turning+on https://pt.ifixit.com/Answers/View/948339 Fri, 03 Apr 2026 02:35:26 -0700 <![CDATA[Dell Optiplex 790: It is not booting up it is displaying 4 and 2]]> Why is my dell optiplex 790 not booting up to windows screen..it just run blank screen while displaying 4 and 2

⟐ Commented março 04, 2026 at 18:50 GMT-7

]]> https://pt.ifixit.com/Answers/View/862676/It+is+not+booting+up+it+is+displaying+4+and+2 https://pt.ifixit.com/Answers/View/862676 Wed, 04 Mar 2026 18:50:07 -0700 <![CDATA[Dell Optiplex 790: Power saving mode enable]]> Pls someone help me when I open my pc the lcd showing every time "powe

]]> https://pt.ifixit.com/Answers/View/922151/Power+saving+mode+enable https://pt.ifixit.com/Answers/View/922151 Thu, 16 Oct 2025 10:07:17 -0700 <![CDATA[Dell Optiplex 790: I face a problem when I starts th pc I sees an error of bootmgr]]> Boot mgr problem how to solve it

⟐ Answered setembro 07, 2025 at 10:38 GMT-7

]]> https://pt.ifixit.com/Answers/View/915897/I+face+a+problem+when+I+starts+th+pc+I+sees+an+error+of+bootmgr https://pt.ifixit.com/Answers/View/915897 Sun, 07 Sep 2025 10:38:01 -0700 <![CDATA[Dell Optiplex 790: My internet is not working]]> When I put the internet cable it doesn't work it show me in the screen that there is no internet by the way my it is windows 7

⟐ Answer edited agosto 26, 2025 at 21:32 GMT-7

]]> https://pt.ifixit.com/Answers/View/914054/My+internet+is+not+working https://pt.ifixit.com/Answers/View/914054 Tue, 26 Aug 2025 21:32:48 -0700 <![CDATA[Dell Optiplex 790: Why is MB not power on]]> Motherboard not power on

]]> https://pt.ifixit.com/Answers/View/879453/Why+is+MB+not+power+on https://pt.ifixit.com/Answers/View/879453 Thu, 05 Dec 2024 10:16:30 -0700 <![CDATA[Dell Optiplex 790: چرا کامپیوتر صفحه نمایش نمیده computer not display the screen?]]> کامپیوتر من صفه نمایش نمیده

Translation Persian - English

Why does the computer not display the screen?

My computer does not display the screen

⟐ Answered novembro 17, 2024 at 8:56 GMT-7

]]> https://pt.ifixit.com/Answers/View/877372/%DA%86%D8%B1%D8%A7+%DA%A9%D8%A7%D9%85%D9%BE%DB%8C%D9%88%D8%AA%D8%B1+%D8%B5%D9%81%D8%AD%D9%87+%D9%86%D9%85%D8%A7%DB%8C%D8%B4+%D9%86%D9%85%DB%8C%D8%AF%D9%87+computer+not+display+the+screen https://pt.ifixit.com/Answers/View/877372 Sun, 17 Nov 2024 08:56:54 -0700 <![CDATA[Dell Optiplex 790: Why my power light is blink]]> why do my computer power button light is blink always

⟐ Answered setembro 24, 2024 at 22:40 GMT-7

]]> https://pt.ifixit.com/Answers/View/870781/Why+my+power+light+is+blink https://pt.ifixit.com/Answers/View/870781 Tue, 24 Sep 2024 22:40:50 -0700 <![CDATA[Dell Optiplex 790: How to change power supply]]> How to change power supply ok but not on my pc

]]> https://pt.ifixit.com/Answers/View/867620/How+to+change+power+supply https://pt.ifixit.com/Answers/View/867620 Sun, 01 Sep 2024 21:45:44 -0700 <![CDATA[Dell Optiplex 790: power supply not working]]> How to fix power supply

]]> https://pt.ifixit.com/Answers/View/858970/power+supply+not+working https://pt.ifixit.com/Answers/View/858970 Thu, 11 Jul 2024 05:21:55 -0700 <![CDATA[Dell Optiplex 790: Blue screen error problem due to RAM]]> Blue Screen error problem due to RAM

⟐ Answered junho 16, 2024 at 6:41 GMT-7

]]> https://pt.ifixit.com/Answers/View/854908/Blue+screen+error+problem+due+to+RAM https://pt.ifixit.com/Answers/View/854908 Sun, 16 Jun 2024 06:41:25 -0700 <![CDATA[Dell Optiplex 790: dell optiplex 790 are 6 times beep sound]]> dell OptiPlex 790 are 6 times beep sound

⟐ Commented outubro 12, 2023 at 7:13 GMT-7

]]> https://pt.ifixit.com/Answers/View/818902/dell+optiplex+790+are+6+times+beep+sound https://pt.ifixit.com/Answers/View/818902 Thu, 12 Oct 2023 07:13:17 -0700 <![CDATA[Dell Optiplex 790: Is there a way to replace the main power button on the case?]]> Hi, I have a Dell optiplex 790 that the power button has lost its spring. Is there a way to replace it?

Update (06/13/23)

It's a standard desktop...

⟐ Answer accepted junho 13, 2023 at 9:08 GMT-7

]]> https://pt.ifixit.com/Answers/View/796653/Is+there+a+way+to+replace+the+main+power+button+on+the+case https://pt.ifixit.com/Answers/View/796653 Tue, 13 Jun 2023 09:08:02 -0700 <![CDATA[Dell Optiplex 790: Why is the computer not powering on]]> the pc start and it suddenly shut down with in second and it repeat the process again and again i changed the power supply and the problem is not fixed

⟐ Commented junho 13, 2023 at 1:09 GMT-7

]]> https://pt.ifixit.com/Answers/View/796550/Why+is+the+computer+not+powering+on https://pt.ifixit.com/Answers/View/796550 Tue, 13 Jun 2023 01:09:55 -0700