Mon pc bureau

Bonjour,
bloqué sur American Megatrends, F2 NE FAIT RIEN

Initializing USB Controllers .. Dome.
3040MB OK
USB Device(s) : 4Storage Devices
Auto-Detecting Pri Master ..IDE Hard Dick
Auo-Detecting SATA1 ..ATAPI CD-ROM
Pri Master :SAMSUMG HD400LD WQ100-15
Ultra DMA Mode-5, S.M.A.R.T Capable and status OK
SATA1 : HL-DT-ST DVDRAM GH20NS15 IL00
Ultra DMA Mode-5
Auto-detecting USB Mass Storage Devices ..
Devices #01 : Generic USB SD Reader (sur 3 ligne)
00 USB mass storage devices found and configured.

CMOS Checksum Bad
PS2 Mouse not found
Fatal Error . . . System halted.

merci de trouver la solution