Slackware 12 on Dell Vostro 1400 laptop

Hello everyone. I'm having a few issues with installing this system
that I hope some might help resolve.

1. I have an Nvidia GeForce 8400M graphics driver. I downloaded and
ran the driver setup program off the nvidia website and I'm pleased to
say it's working fine. The problem I'm having is that when I "end
session" from KDE, it doesn't fall back into the command prompt;
instead it hangs in X. As a result I can't halt or reboot. Does
anybody know why this is happening?

2. Sound is working when I plug in the speakers, but the built in
speakers don't work. (Also, when I press the volume button nothing
happens.) With Ubuntu, the solution was simply to add the line
"options snd-hda-intel probe_mask=1 model=3stack" to /etc/modprobe.d/
alsa-base, but this file doesn't exist in Slackware. I figure the
solution is similar, but I don't know what file to edit.

3. Fonts from non-KDE programs such as Open Office or Firefox or Gaim
are pretty huge and ugly-looking. Does anybody know how to adjust
these fonts?

If it's relevant, here's the output of lspci:

00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory
Controller Hub (rev 0c)
00:01.0 PCI bridge: Intel Corporation Mobile PM965/GM965/GL960 PCI
Express Root Port (rev 0c)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB
UHCI Contoller #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB
UHCI Controller #5 (rev 02)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2
EHCI Controller #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio
Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express
Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express
Port 2 (rev 02)
00:1c.3 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express
Port 4 (rev 02)
00:1c.5 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express
Port 6 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB
UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB
UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB
UHCI Controller #3 (rev 02) indefinetly
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2
EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f2)
00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface
Controller (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E)
IDE Controller (rev 02)
00:1f.2 SATA controller: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-
E) SATA AHCI Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller
(rev 02)
01:00.0 VGA compatible controller: nVidia Corporation Unknown device
0427 (rev a1)
03:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller
(rev 05)
03:01.1 Generic system peripheral [0805]: Ricoh Co Ltd R5C822 SD/SDIO/
MMC/MS/MSPro Host Adapter (rev 22)
03:01.2 System peripheral: Ricoh Co Ltd Unknown device 0843 (rev 12)
03:01.3 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host
Adapter (rev 12)
03:01.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller
(rev 12)
09:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5906M
Fast Ethernet PCI Express (rev 02)
0c:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG
Network Connection (rev 02)

I haven't had a chance to take a shot at the Wifi card, but Ill report
any problems if there are any.
.

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