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# ASUS K55VD

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1. Use nvidia-390xx-dkmsAUR for the driver
Hardware | PCI/USB ID | Working?
--- | --- | ---
Bluetooth | `13d3:3362` | Yes
Webcam | `04f2:b354` | Yes
Touchpad |  | Yes
GPU (Intel) | `8086:0166` | Yes
GPU (NVIDIA)1 | `10de:1058` | No
Ethernet | `10ec:8168` | Untested
Audio | `8086:1e20` | Yes
Wi-Fi | `168c:0032` | Yes
Express Card Reader | `10ec:5289` | Untested

This article or section does not follow the Laptop page guidelines.

Reason: Accessibility section is missing. (Discuss in Talk:ASUS K55VD)

## Installation

By default, the MTRR size is not set correctly and the MDS bug is present. To set the MTRR size correctly and avoid memory loss, set the following kernel parameters:

    enable_mtrr_cleanup mtrr_spare_reg_nr=1 mtrr_gran_size=32M mtrr_chunk_size=128M

To mitigate MDS, add `mds=full,nosmt`. The nosmt option disables simultaneous multi-threading so if the decrease in performance is too much, use `mds=full` instead.

## Firmware

### BIOS update

BIOS updates are only done manually:

1. Download the latest BIOS image
2. Plug in a USB drive and format it to FAT32
   1. Find the USB drive's name with `fdisk -l`
   2. Install dosfstools
   3. Format the USB drive to FAT32
3. Copy `K55VDAS.xxx` file to the USB drive
4. Restart the PC and open BIOS with `F2`
5. Get to the Advanced menu
6. Select Start Easy Flash
7. Select the `K55VDAS.xxx` with arrow keys and enter.

### UEFI Shell

Few ASUS laptops (and also K55VD) provide an option called Launch EFI Shell from filesystem device. It is not accessible by default but can be accessible by following the given instructions at Unified Extensible Firmware Interface#Launching UEFI Shell

## Function keys

Key | Visible?1 | Marked?2 | Effect
--- | --- | --- | ---
`Fn+F1` | Yes | Yes | `XF86Sleep`
`Fn+F2` | Yes | Yes | `XF86RFKill`
`Fn+F3` | Yes | No | `XF86Mail`
`Fn+F4` | Yes | No | `XF86WWW`
`Fn+F5` | Yes | Yes | `XF86MonBrightnessDown`
`Fn+F6` | Yes | Yes | `XF86MonBrightnessUp`
`Fn+F7` | Yes | Yes | `XF86ScreenSaver`
`Fn+F8` | Yes3 | Yes | `Super+p`
`Fn+F9` | Yes | Yes | `XF86TouchpadToggle`
`Fn+F10` | Yes | Yes | `XF86AudioMute`
`Fn+F11` | Yes | Yes | `XF86AudioLowerVolume`
`Fn+F12` | Yes | Yes | `XF86AudioRaiseVolume`
`Fn+T` | Yes | No | `XF86Phone`
`Fn+C` | Yes | Yes | `XF86Launch1`
`Fn+V` | Yes | Yes | `XF86WebCam`
`Fn+NumPadReturn` | Yes | Yes | `XF86Calculator`

1. The key is visible to `xev` and similar tools.
2. The physical key has a symbol on it, which describes its function.
3. Redirects to `Super+p`, i.e. Windows default shortcut for changing Projection settings.

## See also

- Manuals: https://www.asus.com/supportonly/K55VD/HelpDesk_Manual/

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- ASUS

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