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rdiouri
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" Required CD/DVD device is missing" while installing Windows 7 on HP with Windows 10

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HP 15-da0011nf
Microsoft Windows 10 (64-bit)

2 years ago I have bought a laptop HP 15-da0011nf with windows 10 64 bits installed into it. my pc has only 4gb of RAM, It is very slow, and now I've decided to install windows 7 to reduce slowness of the PC, especially that I don't use much Windows 10 features. I've bought a Windows 7 license, the seller provided me with a download link, so I've downloaded the Iso ( windows 7 with46 bits), I made a usb key rebootable, and then copied the Iso into it using Rufus. I did changes in Bios: Legacy Setup and UEFI setup both enabled, and made USB Diskette on key USD/HardDisk first in boot order . So When the PC restart, and USB is plugged, it directs me to the installation Windows 7, though, I get the error message :" Required CD/DVD device is missing". How can I cope with this problem : I've tried to unplug/plug , and also change the usb port . it didn't work. I don't have a usb 3.0, so no settings related to it in the bios . Did anyone have this problem before with HP , and how did you solve it ? Thank you in advance

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Paul_Tikkanen
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Hi:

 

You can only run W10 64 bit on your PC.

 

The reason W7 won't install is because it does not have the USB 3.1 drivers needed to continue the installation, and none exist.

 

Even if you were by some miracle to install W7 on there, you will find no drivers to work the most important devices the notebook has...USB, graphics...

 

Install more memory and a solid state drive if you want the notebook to run better.

 

Here is the link to the service manual...

 

http://h10032.www1.hp.com/ctg/Manual/c06691790

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Paul_Tikkanen
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Hi:

 

You can only run W10 64 bit on your PC.

 

The reason W7 won't install is because it does not have the USB 3.1 drivers needed to continue the installation, and none exist.

 

Even if you were by some miracle to install W7 on there, you will find no drivers to work the most important devices the notebook has...USB, graphics...

 

Install more memory and a solid state drive if you want the notebook to run better.

 

Here is the link to the service manual...

 

http://h10032.www1.hp.com/ctg/Manual/c06691790

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rdiouri
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Thank you for your answer.

Current memory is 4 GB DDR4-2400 SDRAM (1 x 4 GB), you think it is possible to add memory for this category? 

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Paul_Tikkanen
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You're very welcome.

 

Chapter 1 of the service manual I posted earlier has the memory upgrade info.

 

You can install 2 x 8 GB of memory in your notebook.

 

 

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rdiouri
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Alright, thank you, I couldn't open the link, there is a 404 error. 

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Paul_Tikkanen
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You're very welcome.

 

The link works fine for me.

 

Here is a copy and paste of the info in the manual in case the link is still not working for you...

 

Product Name HP 15 Laptop PC
Model numbers:
15-da1000 ~ 15-da1999
15-da0000 ~ 15-da0999
15g-dr1000 ~ 15g-dr1999
15g-dr0000 ~ 15g-dr0999
15q-ds1000 ~ 15q-ds1999
15q-ds0000 ~ 15q-ds0999
15t-da000, 15t-da100

 

Two memory module slots (Intel Core processors):
Memory is non-customer accessible/non-upgradeable
DDR4-2666 bridge to DDR4-2400 dual channel support (i7-8565U, i5-8265U, i3-8145U processors)
DDR4-2400 dual channel support (i7-8500U, i5-8250U i3-8130U processors)
DDR4-2133 dual channel support (i7-7500U, i3-7020U processors)
Supports up to 16 GB of system RAM in the following configurations
● 16384 MB (8192 MB×2)
● 12288 MB (8192 MB×1 + 4096 MB×1)
● 8192 MB (8192 MB×1 + 4096×2)
● 4096 MB (4096 MB×1 or 2048×2)

 

Here is a service video library for how to take the notebook apart and replace various components in case the manual link is still not working for you.

 

https://www.youtube.com/c/hpsupportadvanced/search?query=15-da0000

 

I would attach the manual, but the file size is too large for the forum limit of 5 MB

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rdiouri
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Thank you, your response is very helpful, thanks a lot 

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Paul_Tikkanen
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Anytime.

 

Glad to have been of assistance.

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