18.04 Laptopta Eklenen Ram i görmüyor

[crazystorm]

Laptop a taktığım 4gb ram sistemde gözükmüyor.

Kod Seç Genişlet

goksel@goksel:~$ free -m
              total        used        free      shared  buff/cache   available
Bellek:        3369         789        1737          87         842        2268
Takas:         2047           0        2047


ama

Kod Seç Genişlet

goksel@goksel:~$ sudo lshw -short -C memory
[sudo] password for goksel:
H/W path       Aygıt      Sınıf        Açıklama
====================================================
/0/0                       memory         64KiB BIOS
/0/d                       memory         64KiB L1 önbellek
/0/e                       memory         64KiB L1 önbellek
/0/f                       memory         512KiB L2 önbellek
/0/10                      memory         3MiB L3 önbellek
/0/12                      memory         4GiB Sistem Belleği ----> ?
/0/12/0                    memory         4GiB SODIMM DDR3 Eşzamanlı 1600 MHz -----> ?
/0/12/1                    memory         Project-Id-Version: lshwReport-Msgid-B
/0/100/1f.2                memory         Memory controller


lshw de böyle bi görüntü alıyorum.Sorun nedir ki?

bir de bu var :

Kod Seç Genişlet

goksel@goksel:~$ sudo dmidecode –type memory
# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 3.0.0 present.
Table at 0x000ED140.

Handle 0x0012, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 16 GB
Error Information Handle: Not Provided
Number Of Devices: 2

Handle 0x0013, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x0012
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 4096 MB
Form Factor: SODIMM
Set: None
Locator: ChannelA-DIMM0
Bank Locator: BANK 0
Type: DDR3
Type Detail: Synchronous
Speed: 1600 MT/s
Manufacturer: SK Hynix
Serial Number: 00000000
Asset Tag: 9876543210
Part Number: HMT451S6CFR6A-PB 
Rank: 2
Configured Clock Speed: 1600 MT/s
Minimum Voltage: Unknown
Maximum Voltage: Unknown
Configured Voltage: 1.35 V

Handle 0x0014, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x0012
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: Unknown
Set: None
Locator: ChannelB-DIMM0
Bank Locator: BANK 2
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Rank: Unknown
Configured Clock Speed: Unknown
Minimum Voltage: Unknown
Maximum Voltage: Unknown
Configured Voltage: Unknown

Handle 0x0015, DMI type 19, 31 bytes
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x000FFFFFFFF
Range Size: 4 GB
Physical Array Handle: 0x0012
Partition Width: 1

Handle 0x0016, DMI type 221, 12 bytes
OEM-specific Type
Header and Data:
DD 0C 16 00 01 01 00 01 04 00 00 00
Strings:
Reference Code - ACPI

Handle 0x0017, DMI type 20, 35 bytes
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x000FFFFFFFF
Range Size: 4 GB
Physical Device Handle: 0x0013
Memory Array Mapped Address Handle: 0x0015
Partition Row Position: Unknown
Interleave Position: 1
Interleaved Data Depth: 1



[Empat]

Eklenen ramin Biosta görünüp görünmediğine bakmalısınız önce. Bakıp sonucu bildirebillir misiniz?