Popular Guides
View more guides at Linux Wiki Guides
Welcome to LinLap - The Linux Laptop Wiki
HP Pavilion dv4 2145dx
Author(s)
Gatuno
Introduction
This model is one of the Pavilion dv4 family, almost all the HP dv4-21* are equal.
Specifications
| Name | HP Pavilion dv4-2145dx |
| Processor | AMD Turion ™ II Dual-Core Mobile M520 |
| Screen | LCD Screen (¿?) with a 1280×800 resolution |
| RAM | 4.0 GiB |
| HDD | 320.1 GiB |
| Optical Drive | DVD reader/writer with LightScribe support |
| Graphics | ATI Technologies Inc M880G formerly know as 'Mobility Radeon HD 4200' |
| Ethernet | Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E |
| Wireless | Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01) |
Linux Compatibility
| Device | Compatibility | Comments |
|---|---|---|
| Processor | Yes | Comments |
| Screen | Yes | Comments |
| HDD | Yes | Comments |
| Optical Drive | Yes | Comments |
| Graphics | Yes | Yes, with some tweaks can make external monitor work easily. |
| Sound | Yes | Comments |
| Ethernet | Yes | Just ignore the missing firmware |
| Wireless | Yes | Comments |
| Bluetooth | Not Tested | Is supposed to be integrated with wireless, not tested |
| USB | Yes | Comments |
| Card Reader | No | The HP official page says about a JMB38X card reader, but no drivers in Linux |
| ExpressCard Slot | Not Tested | Comments |
| Camera | Yes | Comments |
Notes
Tested on Debian 6.0 Squeeze.
Summary
You can make the external monitor work esasily. First, install the fglrx privative drivers. Next, modify the xorg.conf like this:
Section “ServerLayout”
Identifier “X.org Configured”
Screen “Screen0”
InputDevice “Mouse0” “CorePointer”
InputDevice “Keyboard0” “CoreKeyboard”
EndSection
Section “Files”
ModulePath ”/usr/lib/xorg/modules”
FontPath ”/usr/share/fonts/X11/misc”
FontPath ”/usr/share/fonts/X11/cyrillic”
FontPath ”/usr/share/fonts/X11/100dpi/:unscaled”
FontPath ”/usr/share/fonts/X11/75dpi/:unscaled”
FontPath ”/usr/share/fonts/X11/Type1”
FontPath ”/usr/share/fonts/X11/100dpi”
FontPath ”/usr/share/fonts/X11/75dpi”
FontPath ”/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType”
FontPath “built-ins”
EndSection
Section “Module”
Load “dri2”
Load “glx”
Load “record”
Load “dbe”
Load “dri”
Load “extmod”
EndSection
Section “InputDevice”
Identifier “Keyboard0”
Driver “kbd”
EndSection
Section “InputDevice”
Identifier “Mouse0”
Driver “mouse”
Option “Protocol” “auto”
Option “Device” ”/dev/input/mice”
Option “ZAxisMapping” “4 5 6 7”
EndSection
Section “Monitor”
#DisplaySize 300 190 # mm
Identifier “Monitor0”
VendorName “HP”
ModelName “Pavilion dv4”
EndSection
Section “Device”
Identifier “Card0”
Driver “fglrx”
VendorName “ATI Technologies Inc”
BoardName “M880G [Mobility Radeon HD 4200]”
BusID “PCI:1:5:0”
EndSection
Section “Screen”
Identifier “Screen0”
Device “Card0”
Monitor “Monitor0”
DefaultDepth 24
SubSection “Display”
Viewport 0 0
Depth 24
Virtual 2560 2048
EndSubSection
EndSection
With this, you can switch monitor on System→Preferences→Monitors on a Gnome 2.x session without restarting.
Discussion