HP DV5 - 1235dx Downgrade from Vista to Windows XP start up problem

Hi, I tried to downgrade from vista to XP and restarting the laptop after copying all the files from the XP CD, appears "Error loading operating system".

After that I tried to restart my laptop and it freezes at the first screen which appears 'HP, press ESC to load BIOS' and I couldn t be able to access the BIOS.

I Don t know what I can do! Please I need help.

I tested my laptop computer with another HD and started normally but when I put my HD didn t do anything. I think the BIOS that my HD had a problem so I can´t use it.

The specifications of my laptop are:

Product number NB163UA #ABA

Microprocessor 2.00 GHz Intel Core 2 Duo Processor T6400

Microprocessor Cache 2 MB L2 Cache

Memory 4096 MB

Memory max 8192 MB

Video Graphics Intel Graphics Media Accelerator 4500MHD

Video memory Up to 1759 MB

Hard drive 320 GB (5400 RPM) Western Digital (I bought a new)

Multimedia player LightScribe SuperMulti 8 X DVD±R/RW with Double Layer Support

Display screen 15.4 "diagonal WXGA high-definition HP BrightView Widescreen (1280 x 800) screen

Fax/Modem Modem 56 k high speed

Network card Integrated 10/100 Ethernet LAN

Wireless connectivity

  • 802. 11 b / g WLAN

Sound Altec Lansing speakers

Keyboard 101-key compatible

Pointing device Press the button with On / Off button and dedicated vertical scroll up/down pad

PC Card Slots 1 ExpressCard/54 Card Slot (also supports ExpressCard/34)

External ports

  • 5-in-1 Integrated Digital Media Reader for cards Secure Digital, MultiMedia Card, Memory Stick, Memory Stick Pro, or xD Picture Card
  • 4 universal Serial Bus (USB) 2.0, 4th port shared with eSATA
  • 2 headphone
  • 1 microphone input
  • HDMI
  • 1 VGA (15-pin)
  • eSATA + USB 2.0
  • 1 RJ-11 (modem)
  • 1 RJ - 45 (LAN)
  • expansion port for computer 1 cell 3
  • 1 consumer IR (remote receiver)

Size 14,05 "(L) x 10.2" (D) x 1.37 "(min H) / 1.65" (maximum H)

Weight 5.83Ibs


  • Location of Kensington MicroSaver lock
  • Turn on the password
  • Accepts 3rd party locking safety devices
  • 65W AC adapter
  • 12-cell Lithium-Ion battery

What is in the box of

HP Mobile remote control

HP Webcam with integrated microphone


Hi Daniel,.

I tested my HARD drive in the other laptop and it starts normally, I did format and then I put in my laptop. I tried to install XP and everything was successful. I could install XP. I am very happy and I did not buy a new HARD drive.

You are awesome!

My problem was solved!

Tags: Notebooks

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