Question

display adapters appear broken and untouchable

Using a borrowed screen..when booting my dell optiplex780 i get just as far as the windows start then get black screen and red outlined 'out of range' box. .. so far i've..
1. botted in safe mode .all ok. I can go to up 1240x1080 ok
set res to 800x600 .. normal boot ..same error
2. freqency is giving 'Use Hardware default settings' only option
3. uninstall 2 identical display drivers. both
INTEL(R) Q45/Q43 express chipset (Microsoft Corp - WDDM1.1)
normal boot goes ok except i get 2 display drivers again and 1 is yellow
warned. I get' you need to restart for these changes' if i do it goes 'out of range again. so i don't restart then.. screen is ok but...directx is really broken ... none of the three parts are found.
4. dxwebsetup run. just tells me directx is ok. Can't figure out how to replace directx11 .
5. so in safe mode the monitor has 1 driver .. all fine. In normal mode it has 2 with one sick. I read similarish mails and tried all suggestions there.. heeeelp

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Answer
That's one of those Dells.

You may have a completely blown OS. Last chance? See if DDU (see google) runs in safe mode to remove ALL graphic drivers to force Windows to use a default one.

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those dell's? ... oh no ..!

what is a 'blown' system ?can i re=install windows7 home premium ?

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Re: reinstall

If the hardware is OK, you certainly can go back to factory conditions, either from the recovery disks you made or by booting into the recovery partition, as prescribed by Dell,

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I try DDU first.

Why? Many owners don't have the restore media. Or balk at the 50 bucks to get a set.

A blown system is one that is damaged in some way and repairs or attempts to correct fail. On top of the cost to bring such systems back these never go to a shop counter because the fee here is 150USD minimum and I can find refurd desktops for 110 or so.

At the office we ran into the need for some desktops and went with https://computers.woot.com/offers/intel-nuc-kit-core-i3-128gb-ssd-tiny-pc at 170USD each. These are surprisingly fast enough for the usual office work.

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DDU

DDU in safe mode didn't help. I bought this tower from a shop with a licensed windows 7 home premium. Won't MS let me download and install a new clean version. Format and /install ?? I have no system backup.

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Only Microsoft can answer.

I'm run into many that can't use the Microsoft download since the license was OEM or VLM.

As to the lack of backups. This is how many learn why we write it's not optional. Or they get upset and try Linux.

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Download

Start > control panel > system.

Bottom of the screen shows the license key.

If it's 4 groups of 5 characters you've got a shot.

Write that key down and then try the media creation tool.

If it turns out to be a bust then you might be headed back to that shop and asking for a copy of the OS they installed.

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Answer
Here's an example why these are hard to economically repair.

On Newegg.com today, https://www.newegg.com/Product/Product.aspx?Item=9SIA6A35AT4464

For $69.95 you get "HP Compaq 6300 Pro SFF PC Intel Pentium 2.8GHz 4GB RAM 250GB HDD Windows 7 Pro".

No need to rush out and buy such a thing as we see them under 99 bucks and similar deals all the time.

If you lose your license or have to pay for recovery media then it's a fact that it may be cheaper to go with another PC or install Linux since many just need a Web machine to run Firefox, Chrome, etc.

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