Atenção usuários de email com anti-spam (Uol e Bol).
humm tente entrar na bios que normalmente tem que precionar f2 e desabilitar o efi...
Busca no grande Guru o manual digital da placa mãe do seu notebook para saber como fazer esse procedimento nessa mobo.
Teria como você postar o modelo da sua placa mãe?
Não digo o modelo do portátil, mas o da placa mãe mesmo.Rode o Ubuntu como LiveCD ou Live Pendrive no modo experimentar (ou seja, sem instalar).Instale o aplicativo HardInfo e procure pelo modelo da placa mãe, na opção Devices --> DMI.
DMI------------------------------------------------------------------------- BIOS Type American MegatrendsDMI BIOS vendor American Megatrends Inc. version X55U.410 date 09/03/2012 ROM size 4096 KBDMI System Information manufacturer ASUSTeK COMPUTER INC. product X55U version 1.0 serial C5N0BC11334719A UUID {58435451-334A-3039-4832-10BF486AA583}DMI Baseboard vendor ASUSTeK COMPUTER INC. model X55U revision 1.0 serial BSN12345678901234567DMI System Enclosure manufacturer ASUSTeK COMPUTER INC. chassis type Notebook chassis serial C5N0BC11334719ADMI Port Connector designation J1A1 (internal) designation PS2Mouse (external) port type Mouse Port connector PS/2DMI Port Connector designation J1A1 (internal) designation Keyboard (external) port type Keyboard Port connector PS/2DMI Port Connector designation J2A1 (internal) designation TV Out (external) connector Mini Centronics Type-14DMI Port Connector designation J2A2A (internal) designation COM A (external) port type Serial Port 16550A connector DB-9 maleDMI Port Connector designation J2A2B (internal) designation Video (external) port type Video Port connector DB-15 femaleDMI Port Connector designation J3A1 (internal) designation USB1 (external) port type USB connector Access Bus (USB)DMI Port Connector designation J3A1 (internal) designation USB2 (external) port type USB connector Access Bus (USB)DMI Port Connector designation J3A1 (internal) designation USB3 (external) port type USB connector Access Bus (USB)DMI Port Connector designation J9A1 - TPM HDR (internal)DMI Port Connector designation J9C1 - PCIE DOCKING CONN (internal)DMI Port Connector designation J2B3 - CPU FAN (internal)DMI Port Connector designation J6C2 - EXT HDMI (internal)DMI Port Connector designation J3C1 - GMCH FAN (internal)DMI Port Connector designation J1D1 - ITP (internal)DMI Port Connector designation J9E2 - MDC INTPSR (internal)DMI Port Connector designation J9E4 - MDC INTPSR (internal)DMI Port Connector designation J9E3 - LPC HOT DOCKING (internal)DMI Port Connector designation J9E1 - SCAN MATRIX (internal)DMI Port Connector designation J9G1 - LPC SIDE BAND (internal)DMI Port Connector designation J8F1 - UNIFIED (internal)DMI Port Connector designation J6F1 - LVDS (internal)DMI Port Connector designation J2F1 - LAI FAN (internal)DMI Port Connector designation J2G1 - GFX VID (internal)DMI Port Connector designation J1G6 - AC JACK (internal)DMI Extension Slot designation J6B2 type A5 populated yesDMI Extension Slot designation J6B1 type A5 populated yesDMI Extension Slot designation J6D1 type A5 populated yesDMI OEM Strings string[0] rUnZ0NCBpAy+K string[1] Pyk+3wMcJiVWe string[2] WDBy172iF8Lsn string[3] string[4] string[5] string[6] string[7] string[8] string[9] DMI Physical Memory Array location Motherboard usage System Memory correction None max capacity 4096 MBytes max# of devices 2DMI Memory Device designation DIMM 0 format SODIMM type unknown total width 64 bits data width 64 bits size 4096 MBytesDMI Memory Device designation DIMM 1 format SODIMM type unknown total width 64 bits data width 64 bitsDMI Processor manufacturer AuthenticAMD model AMD E-450 APU with Radeon(tm) HD Graphics clock speed 1650.0 MHz FSB speed 100.0 MHz multiplier 16.5x