Dell OptiPlex - Popular Questions, Answers, Tips & Manuals

ok 960 SFF is not the same as MT or the big case MOBO.
SFF has its own mobo (motherboards)
it has 11x2 row non ATX spec, power . not yours as it has 12x2 some SFF have 2 diffr. mobo
and a dell custom PSU for just this mobo and its odd duck jack. (called PICO plug)
why not buy a new PSU? that matches this PC?
even the SFF PSU case is not ATX spec.

Dell OptiPlex... | 277 views | 0 helpful votes

DELL 745 series (dell OptiPlex desktop ) that? 14 years old today.
That is BIOS going nuts for 1 or 2 reasons
first if 14 years old facts of life.
the RTC coin cell is bad. replace it first
here is the list of PCs over 7 years old.
yours is 2x that, ok?

replace this now or BIOS goes NUTS, Wonky/wacky.
2: then we test the HDD most this old are bad.
ask how to test the HDD,

3: if HDD tests ok try the magic HP F11 key.
aka: the HP Recovery partition factory reset to day 1, trick (covered in the free manual at

the best hdd test of all is.

Dell OPTIPLEX... | 63 views | 0 helpful votes

Sound like a hardware issue - try re-seating all the PC components including the CPU and the memory.

Dell OptiPlex... | 148 views | 0 helpful votes

This is most likely the power supply. You may be able to take it to a store like best buy for testing.

Dell OptiPlex... | 122 views | 0 helpful votes

That GX280 is today 14 years old and came new with XP right>
still stuck at XP? if yes, doom is all there is.
XP is (as you learned) a huge virus magnet.(worse every day)
some were built with windows 2000, win2k, hopeless extreme...
windows xp recovery or restore fails because sure the recover software is corrupted and infected too, so erasing HDD is the only path as your discovered. (page 30 in your manual at dell will fail)
but not the dell disk install same page.
BTW , ive never seen an XP PC not infected, ever..... so..... bingo.
ever google.?
older post but and others will find this useful.
There are many pitfalls to OS installs I will bullet them.

  • The HDD is bad, (but if only infected it will be erased first)
  • Your PC has OEM COA license from Dell for MS windows.
  • Using most Microsoft install media will fail using your COA.
  • W7 will fail, W10 used to work this way but not now.
  • You failed to buy your DELL windows media kit long ago so is lost or gone or, never bought.
  • that means you have 2 choices, buy new windows 7 or 10 or run linux, I am sure you will not wont to run free linux. Ubuntu v17
  • SO buy windows 10-32b, (say) from and install it.
  • During the install , pick custom or advance setup and delete all partitions. click CUSTOM now. see links below.
  • then do as it says here.
  • then do the full install, as documented at microsoft dot com.
  • end story but not all pit falls,
  • Pit fall 1 is HDD is bad, fails Crystaldiskinfo , app.
  • or fails Linux demo boot, run disktests and fails.
  • on dead pc, I run this.
  • if the C6 (198.) is not ZERO, the HDD IS NO GOOD AT ALL.
  • All drives (most) end up like this, runs but has no spare sectors left and can no longer self heal itself, and is a bad HDD.
  • Better is to upgrade to SSD, for sure , you will never go back to HDD ever again I promise.!!!

Dell OptiPlex... | 109 views | 0 helpful votes

You need a faster chip or more memory.

Dell OptiPlex... | 88 views | 0 helpful votes

The amber light within the Power Button indicates a PSU or Motherboard fault. If you have changed the PSU and it is a known good unit, please check the plug that connects to the Motherboard again. Assuming that this is ok, it may unfortunately be that the motherboard capacitors have blown (a well documented failiure).

Dell OptiPlex... | 231 views | 0 helpful votes

replace your hard drive

Dell Optiplex... | 53 views | 0 helpful votes

go back and put the first boot as the internal hard drive
when that is done , insert the cd in a cd unit and auto run the cd
what ever you have will download onto the pc hard drive

Dell OptiPlex... | 38 views | 0 helpful votes

Check the hard drive.

Dell OptiPlex... | 55 views | 0 helpful votes

Use your system restore to install the registry at a point when unit was working fine

Dell GX280... | 80 views | 0 helpful votes

Use your system restore disks to repair your computer since the OS is FUBAR
Without those disks you are SOL. And if you never made them or lost them, now you have learned first hand why it is so important to have them.
Go to the dell site and see if they have your original OS in an iso file for installation. If so that will save your sorry b---.

Dell OptiPlex... | 99 views | 0 helpful votes

Go to inter the service tag number and tell it to search for your drivers. Also update the BIOS after all updates are done restart your computer to insure the system updates.

Dell OptiPlex... | 121 views | 0 helpful votes

It's a pretty common issue with the 270 & 280. More times than not it is blown capacitors at the root of the problem. Replacing the caps is simple if you know how to solder very well & makes for an easy fix. Also, make sure you're pushing enough power through your supply.

Dell OptiPlex... | 56 views | 0 helpful votes

My guess is if you try headphones and all is ok , then it might be time for some external speakers to be added as I might be inclined to think that the internal connection or the speakers that are internal are faulty of course this can be fixed but probably at a much higher than simply adding some external speaker set up which can be as little as $10:00 or less up to over $100 :00 for a system surround , but if you are happy with a twin speaker system then I would go foe that option

Dell OPTIPLEX... | 32 views | 0 helpful votes

some times on that desktop the front usb ports will not work with flash drives. you have to plug them in the back. I think there is not enogh power to run them in the front

Dell ... | 107 views | 0 helpful votes

Then the motherboard is defective

Dell OptiPlex... | 200 views | 0 helpful votes

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