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I've got 100 games and want to reinstall Windows
Will I have to download everything again? Almost all games are on the D drive.

I have Windows 8.1 Home (on the C drive), and I have 100 Steam games, almost all games are installed on the D drive.

This PC came with Win 8 Home OEM, but I want to install Windows 7 as I have an unused DVD with Win7 Ultimate.

I recently tested Win10, before I downgraded to 8.1 again. I'm not sure but I believe all my games still work (they were installed before I tested Win10).
But I can probably not downgrade to Win7 without formatting, and if I format the system disk then I will of course have to reinstall all the games.

I have a fast Internet connection, but it still takes a lot of time to install that many games, with all their extras (DLC etc), especially if I have to download everything again.

But will I have to download all the games again? What is the best way to proceed?

Thanks :)
Naposledy upravil MSXCF; 18. čvn. 2016 v 13.06

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MSXCF 18. čvn. 2016 v 17.13 
The Giving One původně napsal:
Be sure that media is NOT connected to your computer when you reinstall Windows though.
How risky is it to not disconnect it? Maybe it is easy to do it, but I have never opened this laptop before. It is very tempting to not disconnect it if the risk is only theoretical. If the risk if very low then I'll take that risk, but if it's very risky then I'll open it up and disconnect it.



The Giving One původně napsal:
What about my post earlier concerning what OS you are going to install ?
http://steamcommunity.com/discussions/forum/1/358415206088703383/#c358415206088756311

You do understand that you cannot just install any OS on just any computer, right ?
I confirmed that in my last line of post #7. ;)
http://steamcommunity.com/discussions/forum/1/358415206088703383/#c358415206088835739
This is an Asus G750JZ and Asus have made Win7 drivers for it. I made sure before I bought the PC, because was sceptical to Win8.1. Now I have tested Win8.1 for 9 months and I have tested Win10 for 1 month. Win7 is my favorite.


The Giving One původně napsal:
You do understand about system (not just GPU) drivers, right ?
Yes I do understand it, there are tons of drivers. I don't look forward to downloading all the drivers and other software, but I'm sure I can do it. If I forget some drivers, then I hope it won't be too late to download them after.

I appreciate that you ask to make sure, because it is very important to be aware of this. This is a good PC, but only when it has the drivers it needs.

MSXCF původně napsal:
How risky is it to not disconnect it? Maybe it is easy to do it, but I have never opened this laptop before. It is very tempting to not disconnect it if the risk is only theoretical. If the risk if very low then I'll take that risk, but if it's very risky then I'll open it up and disconnect it.

You said it was a USB.

MSXCF původně napsal:
I do have an exernal USB hard disk

You can safly disconnect those just as you can an external hard drive. Not sure what you mean unless that answers that part. Not sure why you are now talking about internal drives, because I never said anything about you backing up the steamapps to an internal drive. I said a "safe place" such as USB or external drive.

If your external media is too full then delete some stuff. You have to decide what you want to do. Download games again or save the steamapps folder(s). That is it. So save the steamapps folder(s) unless you want to have to redownload all the games again.

I am still not convinced you understand totally about drivers here. Sorry if I am mistaken but I will just say this...

You better go to the official ASUS site and check for drivers for that computer BEFORE you try to install any OS on it, especially Windows 10. Just trying to help you out here.

"I'm aware I have to download all the drivers for Win7, and I have verified that it'll work on my Asus laptop."

That is what you said in that post. Sure, if you are going to install Windows 7 when you reinstall the OS. But NOT if you are going to install Windows 10. That almost surely won't work, as you would need Windows 10 drivers.
MSXCF 18. čvn. 2016 v 18.23 
I think here must be a misunderstanding. Sorry about that.

I was adviced to use an external disk, then I confirmed that I do have an external USB disk, but at the same time I did say that I can NOT use it to back up my games. Even if I format my USB backup disk, its 60 GB capacity cannot hold 600 GB of games. It is old and for backing up personal files only. Maybe I should not have confirmed that I own an external disk, but I did not want you to think I have zero backup capacity.
http://steamcommunity.com/discussions/forum/1/358415206088703383/#c358415206089325226

In the same post I explained that my only option for storing my games, is the 1TB internal D drive. This is of course why I talk about the internal drive. It's my only option.

Some day I'll get a bigger external storage, but at this point I don't know what that will look like. A single disk, or a home server or something else, I don't know yet. But that's a different topic, for now I have to work with what I have got, and that is the internal D drive.



About drivers & Windows:
Of course I'll go to Asus and download the drivers from there. I'll probably stick to Win7, but I may take a second trial period with Win10. (If I use Win7 Ultimate when installing Win10, I'll get Win10 Pro or whatever they call it.)
At any rate, I will install Win7 first before I test Win10 again. Not only because Win7 is my favorite OS, but also because Win10 is only free if you upgrade from a previous OS.
In the time you've been typing all this you would probably have redownloaded 300 of that 600GB.

I'd be far more concerned with any save files that you have were it me. Get those backed up onto a USB stick or something.

I recently upgraded comps. But was lucky enough for it to be a straight all new system. So I've just left my other machine next to me to browse the net whilst I play Steam games. And they're both hard wired into the same router so I just shared the Steam folder on it and have copied over the ones I wanted as I want them. I had more like double your 600GB and an awfully slow 5GB/hour download speed. So didn't fancy the redownloading either lol.
Why in the world would you choose to do an upgrade and possibly cause driver conflicts between operating systems instead of doing a clean install of any OS that you are going to use ?

Never heard of anyone choosing to do an upgrage, when they are talking about reinstalling an OS anyway...that is not wise at all, with all due respect.

And still, that does not mean that Drivers for Windows 10 even exist for your hardware, unless you have already checked ASUS for them and that hardware in that computer.

All I can say is this...

Save the steamapps folder(s). Even if they are in total 1 TB. If you don't, then you have to redownload games again. The original topic here was to not do that. So make room or redownload them. Those are your choices.

I hope that help and ask specific questions if you need anything else, please. Thanks.
MSXCF 18. čvn. 2016 v 20.00 
Frankbrodie původně napsal:
In the time you've been typing all this you would probably have redownloaded 300 of that 600GB.

I'd be far more concerned with any save files that you have were it me. Get those backed up onto a USB stick or something.

I recently upgraded comps. But was lucky enough for it to be a straight all new system. So I've just left my other machine next to me to browse the net whilst I play Steam games. And they're both hard wired into the same router so I just shared the Steam folder on it and have copied over the ones I wanted as I want them. I had more like double your 600GB and an awfully slow 5GB/hour download speed. So didn't fancy the redownloading either lol.
I expect the downloading to take a couple of days because usually when I installed a few games, it took a few hours. I have either 16 Gb/s or 20 Gb/s, I'm not sure. I don't share the bandwidth with anyone, but the downloads felt like ages.
And then there is all the extra content that comes with some games, maybe it'll be installed automatically, or I'll have to manually add it for every game that has it.

Game save files are more important, and I'll not forget those. :)




The Giving One původně napsal:
Why in the world would you choose to do an upgrade and possibly cause driver conflicts between operating systems instead of doing a clean install of any OS that you are going to use ?

Never heard of anyone choosing to do an upgrage, when they are talking about reinstalling an OS anyway...that is not wise at all, with all due respect.

And still, that does not mean that Drivers for Windows 10 even exist for your hardware, unless you have already checked ASUS for them and that hardware in that computer.
This must be another misunderstanding? I appreciate your efforts to help, thanks a lot, really. But I'm a bit unsure if you are reading my posts properly, and if you don't then there will be misunderstandings. I try to be clear when I speak, but if I have been ambiguous then I'm sorry.

Win7 will be a clean install. I see I wrote "reinstall" in the topic title, I apologize if that is causing misunderstandings. To me a reinstall can be a clean install (if you format the disk and not just do a repair install). And it's still Windows, just an older version, so it feels natural to me to say 'reinstall'.

I did a temporary upgrade to test out Windows 10. It did AFAIK not cause any driver conflicts, I changed back to Windows 8.1 because the trial period ended. I could have continued with Win10 but I was not convinced about Win10. After the 30 day trial you can not easily go back to your earlier Windows version. But now I have burned Win10 to a DVD so I can freely upgrade to Win10 later if I want to. It is all about preserving my opportunities and not burning bridges.

Now I have a valid Win10 Home DVD, when I install Win7 Ultimate I will be able to test out Win10 Pro and make a valid Win10 Pro DVD.

What I do has everything to do with the Microsoft upgrade policy, I do what I can to keep all paths open.
But most likely I will be using Win7 as long as it is being maintained.



The Giving One původně napsal:
All I can say is this...

Save the steamapps folder(s). Even if they are in total 1 TB. If you don't, then you have to redownload games again. The original topic here was to not do that. So make room or redownload them. Those are your choices.

I hope that help and ask specific questions if you need anything else, please. Thanks.
That has been explained and I understand it. My only questions that remains unanswered are:

How risky is it to not disconnect the internal D drive when I install Windows?
I can not move the game library anywhere else.
I am going to format the C drive when I install Win7, but why should that wipe the D drive?
Naposledy upravil MSXCF; 18. čvn. 2016 v 20.03
MSXCF původně napsal:
At any rate, I will install Win7 first before I test Win10 again. Not only because Win7 is my favorite OS, but also because Win10 is only free if you upgrade from a previous OS.

I apoligize if there was a misunderstanding on my part and I am in no way trying to start anything here, but just trying to help. From the part of your post above that I have quoted here, it really sounded like you were going to install Windows 7 and then upgrade to Windows 10 (maybe) later.

I was attempting to stop you from doing that, as that can cause driver conflicts as you may know.

Again, sorry for the misunderstanding.

About the drive question, no, you cannot do that. You "might" be able to use third party software to recover data from a disconnected drive, but the new Windows would not be albe to use that drive until you formatted it and assigned a path to it. There are ways to do what you want to do, but it is a bit risky and a real pain in the....to do.

You need to move the steamapps folder(s) to a drive and keep it there. I know you keep saying you cannot do this. You have two choices...

Backup the steamapps folder(s) or redownload all/some of the games. "Some" as in if you only backup the steamapps after deleting local game content for some of the games, therefore making the steamapps folder(s) smaller.

I kinda gotta agree with the user above. You could have downloaded much of it already since typing all this....just does not make sense to me but hey, to each his own and I mean no disrespect. Thanks.

EDIT..And wasn't the "free" upgrade for a limited time and now over, concerning Windows 10 ?

If you leave D drive connected, and something goes wrong when you reinstall the OS, then you have been fairly warned here. It is recommended to disconnect the SATA cable to drives that are not part of the installation of Windows. I cannot post a soruce of this right now, but I know I do it and I have read it in offical form elsewhere.

But then that drive cannot be simply plugged back in and reused after the installation of the new OS. Other steps have to be taken.

Correction...For example...here...

http://www.tomshardware.com/answers/id-1792788/disconnect-hdd-installing-ssd.html

AND...here...

http://www.tomshardware.com/answers/id-1903640/remove-hdd-installing-windows-ssd.html

"Yes...have only the SSD connected while installing Windows. What happens is, the System Reserved boot info gets put on the 'other' drive. This is supposedly a protection concept.
If no other drive is seen, it is created on the primary drive.

No need to 'uninstall' from the other drive once it is all working. Just format it, and use as you wish. "
Naposledy upravil The Giving One; 18. čvn. 2016 v 20.50
MSXCF 18. čvn. 2016 v 21.01 
The Giving One původně napsal:
From the part of your post above that I have quoted here, it really sounded like you were going to install Windows 7 and then upgrade to Windows 10 (maybe) later.

I was attempting to stop you from doing that, as that can cause driver conflicts as you may know.
Yes, that's correct. I will install Win7 Ultimate and then do a trial with Win10 Pro in order to burn a Win10 Pro DVD. After I have burned Win10 Pro to DVD, I will probably go back to Win7, but with the option to upgrade for free at any time later.

I did not notice any driver problems when I tested Win10 Home on this same PC. If Home worked, then Pro should work as well.

The Win10 upgrade is free until the end of this month, but if I have activated it before the free trial period ends, I can burn it to DVD, uninstall it, and reinstall it at any time later. But it must have been activated before July 1st 2016.



Again, sorry for the misunderstanding.
No problem!


About the drive question, no, you cannot do that. You "might" be able to use third party software to recover data from a [color=yellow]]disconnected[/color] drive, but the new Windows would not be albe to use that drive until you formatted it and assigned a path to it. There are ways to do what you want to do, but it is a bit risky and a real pain in the....to do.

You need to move the steamapps folder(s) to a drive and keep it there. I know you keep saying you cannot do this. You have two choices...

Backup the steamapps folder(s) or redownload all/some of the games. "Some" as in if you only backup the steamapps after deleting local game content for some of the games, therefore making the steamapps folder(s) smaller.

I kinda gotta agree with the user above. You could have downloaded much of it already since typing all this....just does not make sense to me but hey, to each his own and I mean no disrespect. Thanks.

EDIT..And wasn't the "free" upgrade for a limited time and now over, concerning Windows 10 ?

So when I install Windows, it won't be able to read the D drive before that too has been formatted? Holy crap, I didn't see that.
But Windows can use external disks without formatting them (that has been previously used by other computers), why can't it do the same with an internal disk??

If I understand this correctly, it won't matter if the internal disk is disconnected or not when I install Windows. If I do disconnect it, the new Windows will insist on formatting it when I connect it?
Or did you mean to say "connected" where you said "disconnected"?



The Giving One původně napsal:
If you leave D drive connected, and something goes wrong when you reinstall the OS, then you have been fairly warned here. It is recommended to disconnect the SATA cable to drives that are not part of the installation of Windows. I cannot post a soruce of this right now, but I know I do it and I have read it in offical form elsewhere.
Reading this, I think it was a typo where you used the word "disconnected", you probably meant connected.

So if I do disconnect the internal drive and reconnect it after installing Windows, Windows will be able to read it?

I start to get really tired so I could easily misunderstand.
1. Sorry, but you are wrong. So I did not misunderstand you above after all...when I recommended for you to not do that, upgrade instead of doing a clean install.

I guess I have to let you find out the hard way. Maybe you did not see any issues at first, but mabye you did not allow enough time for driver conflicts to show up.

There is only one way to reinstall an operating system on a computer properly. Reformat and reinstall...cleanly. When you upgrade to a different OS, now you have to install drivers for THAT OS while drivers for the previous OS are still installed.

That can cause driver conflicts. If you won't listen to me on that here, then go ahead and post a thread in the hardware and OS forum about it and see what those guys have to say about that.

And this does not even go into any BIOS issues that can come up when you change the OS on a system, depending on the hardware in use. There is that problem sometimes also.

I though I was pretty clear on the headaches you are trying to make for yourself. You CANNOT simply disconnect a hard drive from a motherboard, format and install a new OS onto another hard drive and then simply reconnect the disconnected hard drive and use it normally as before.

You CANNOT do this. As I said, there are ways to use third party software and get data from the drive, but that data would have to be placed on a drive already assigned in Windows and that is the same thing I keep suggesting for you to do in the first place....and that is...

To place the steamapps folder(s) onto a backup media source and save it. Install your OS, and Steam, then move the steamapps folder (hopefully one folder now only if you merged them as suggested before) back to its default location inside the new Steam folder.

I will finally say this again, so please forgive me..

Save your steamapps folder(s) to a backup media source and DISCONNECT it from your computer when you go to reinstall the OS.

OR

Redownload Steam games. Those are your choices.
Look, I only need Windows 10 to work for a day, that is all I need. When I have burned it to DVD I am done with it. I could explain more, but Win10 was never meant to be the topic here, so this is all I will say about it. In hindsight I see that I should never have mentioned Win10 in the first place.



The Giving One původně napsal:
I though I was pretty clear on the headaches you are trying to make for yourself. You CANNOT simply disconnect a hard drive from a motherboard, format and install a new OS onto another hard drive and then simply reconnect the disconnected hard drive and use it normally as before.
There was a time when I thought you said the opposite, but I guess that was when you thought I was going to use an external USB disk.

A USB hard disk can be plugged into any PC and the disk can be read (of course).

And you think the same will not work if the disk is connected internally? I don't think you are wrong, but I'm not convinced you are right either. It sounds strange and I'll try to find out why it would not work.

If the internal D drive can't work as a backup drive, I'll just have to download everything again. It'll take two 2-3 days, but I will survive.
Naposledy upravil MSXCF; 20. čvn. 2016 v 0.49
Simply move/copy the whole Steam folder. This is the easiest ay and is intact recommended by Valve
You can format the C:/ drive only and install Win7 on it.(Maybe unplug the D:/ drive before, so only c:/ gets formated and nothing is deleted by accident)
When all Drivers,Programms and Steam are installed you go to Steam:

1. Click on Steam(left upper Corner)
2. Open Settings
3. Go to Downloads
4. Click on Librarys
5. Click on "Add Library"
6. Select the old folder on your unformatted D:/ drive
7. Close the Settings and go to your Game overview
8. Smile while you see all your games from your D:/ being recognized and still playable(maybe they need to reinstall when started for the first time on the new system)

I hope i could help. I tried to translate everything into english as good as possible. ;)
MfG Overloader:steamhappy:
VA.Bizard původně napsal:
You can format the C:/ drive only and install Win7 on it.(Maybe unplug the D:/ drive before, so only c:/ gets formated and nothing is deleted by accident)
When all Drivers,Programms and Steam are installed you go to Steam:

1. Click on Steam(left upper Corner)
2. Open Settings
3. Go to Downloads
4. Click on Librarys
5. Click on "Add Library"
6. Select the old folder on your unformatted D:/ drive
7. Close the Settings and go to your Game overview
8. Smile while you see all your games from your D:/ being recognized and still playable(maybe they need to reinstall when started for the first time on the new system)

I hope i could help. I tried to translate everything into english as good as possible. ;)
MfG Overloader:steamhappy:

Thanks. The Giving One said I would lose everything on the D drive, it is nice to hear that it won't be lost. Still, I think I need to ask for a third opinion before I feel safe about it.
MSXCF původně napsal:

Thanks. The Giving One said I would lose everything on the D drive, it is nice to hear that it won't be lost. Still, I think I need to ask for a third opinion before I feel safe about it.

Just to clarify here, that is not what I meant and if there was confusion on my part, I apologize. If you do not disconnect the SATA cable during an installation of Windows, in some cases the OS may be installed or a Recovery partition installed to that drive, and in that case you almost surely would lose all the data on the drive.

When I install ad OS on my systems, I make sure only one drive is hooked up to the board, the drive where I want my Windows installed.
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