Presario CQ40: Display a ratio and incorrect resolution even after installing drivers

Number and name of the product

HP Compaq Presario CQ40 (339TU)

Operating system installed

Windows 8 Pro (recently re-installed)

All changes to your system until the problem occurred

Accidentally deleted the partition reserved system (about 300 MB)

The question

I recently re-installed the OS on my laptop (the previous operating system was the same). I wanted to do a clean install and I accidentally deleted the system reserved partition which was about 300 MB.

The installation is completed without any problems. After installation, I noticed that the native resolution became 1200 x 800 (3:2), where it was originally 1280 x 800 (16:10) and also the display is detected as "Mobile PC Display. I went through the update of Windows, but it also could not detect my drivers. I went to the official site of HP TechSupport (here's the link), but there is no drivers for Windows 8.

Then I tried the Intel site and found drivers, them, but still nothing happened.

I googled for 2 days to resolve this problem, found nothing that worked. I have re-installed, Reset, refresh, auto repaired, the PC from the windows installation CD, nothing worked

I had used Windows Vista, 7 and 8 on this laptop. The previous version of windows, I used for 1.5 years is the same as the one I installed today on the same CD. Previously, when I installed windows and went to Windows Update, it detected all my drivers and updated their. I had nothing to fear.

I was hoping someone here could find me a solution to this problem.

Thanks in advance

I fixed it!

I downloaded the latest version of the bios and flashed. Previous bios version was same but now my resolution is 1280 x 800

I did not myself before recovery disks, but I will of course in the future.

Since I have no way of identifying what actually caused the problem, I'll stay happy with the solution that I found. This thread can now be marked "resolved".

I thank very you much for trying to help. I love HP!

Tags: Notebooks

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