Client Desync?

[FLAP_BRBGOING2MOON]

Recently me and a few friends were playing on PR on ramiel, and one of them was shot out of the hummer .50, we all saw him dead but this is what he saw

keep in mind at the start of this video we all saw him as dead, and i was in the .50 but the path the hummer took on his screen was accurate
at 39 seconds the humvee started on fire, we all bailed and watched it explode, he saw this

[XFIRE]4de78b[/XFIRE]

he reinstalled BF2 entirely, deleted his cache etc.

then later on silent eagle, after the reinstall once somebody died he would permanently see them as dead, even if they were pushing him around

any ideas on a fix?

his PC specs

Processor:
Intel(R) Core(TM) i7-2600K CPU @ 3.80GHz (8 CPUs), ~4.2GHz
Memory:
8192MB RAM
Hard Drive:
60 GB OCZ Vertex2 SSD
Video Card:
NVIDIA GeForce GTX 560 Ti
Monitor:
22" Acer
Sound Card:
(Creative SB X-Fi)
Speakers/Headphones:
Turtle Beach Earforce HPX
Keyboard:
Logitech 250
Mouse:
Logitech G500
Mouse Surface:
Scooby Doo mouse pad
Operating System:
Windows 7 Professional 64-bit (6.1, Build 7600) (7600.win7_rtm.090713-1255)
Motherboard:
Gigabyte P67
Computer Case:
Cooler Master HAF 932