- Dec 18, 2022
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- 0
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Hi all,
I recently bought a custom build PC 2nd hand PC. I did run a benchmark test on it before I bought it and everything looked fine.
When I hooked up everything at my place, I've seen in the windows system overview that it only showed 16GB RAM while 32GB is installed physically.
I've checked if 1 of the cards might be broken, but when I remove a card, only 8GB is shown. Regardless in which port I put both sticks. It always shows half of the capacity.
I've tried to update the BIOS. Nothing helped. Also, in the BIOS only have of the capacity is shown.
I went to most of the troubleshooting online. Nothing helped until now.
Why is Only Half My RAM Usable? | DiamondLobby
Below the specs of the system.
Thanks in advance!
Mash
//
Operating System
Windows 10 Pro 64-bit
CPU
Intel Core i7 10700K @ 3.80GHz:
26 °C
Comet Lake 14nm Technology
RAM
16.0GB Dual-Channel DDR4 @ 1799MHz (18-22-22-42)
Motherboard
Micro-Star International Co. Ltd. MEG Z490I UNIFY (MS-7C77) (U3E1)
Graphics
S24E650 (1920x1080@60Hz)
4095MB NVIDIA GeForce RTX 2070 SUPER (MSI):
28 °C
Storage
931GB Samsung SSD 970 EVO 1TB (Unknown (SSD))
Operating System
Windows 10 Pro 64-bit
//
//
RAM
Memory slots
Total memory slots:
4
Used memory slots:
2
Free memory slots:
2
Memory
Type:
DDR4
Size:
16384 MBytes
Channels #:
Dual
DRAM Frequency:
1800.1 MHz
CAS# Latency (CL):
18 clocks
RAS# to CAS# Delay (tRCD):
22 clocks
RAS# Precharge (tRP):
22 clocks
Cycle Time (tRAS):
42 clocks
Command Rate (CR):
2T
Physical Memory
Memory Usage:
27 %
Total Physical:
16 GB
Available Physical:
12 GB
Total Virtual:
19 GB
Available Virtual:
12 GB
SPD
Number Of SPD Modules:
2
Slot #1
Type:
DDR4
Size:
8192 MBytes
Manufacturer:
Corsair
Max Bandwidth:
DDR4-2666 (1333 MHz)
Part Number:
CMK16GX4M2Z3600C18
SPD Ext.:
XMP
Slot #2
Type:
DDR4
Size:
8192 MBytes
Manufacturer:
Corsair
Max Bandwidth:
DDR4-2666 (1333 MHz)
Part Number:
CMK16GX4M2Z3600C18
SPD Ext.:
XMP
//
I recently bought a custom build PC 2nd hand PC. I did run a benchmark test on it before I bought it and everything looked fine.
When I hooked up everything at my place, I've seen in the windows system overview that it only showed 16GB RAM while 32GB is installed physically.
I've checked if 1 of the cards might be broken, but when I remove a card, only 8GB is shown. Regardless in which port I put both sticks. It always shows half of the capacity.
I've tried to update the BIOS. Nothing helped. Also, in the BIOS only have of the capacity is shown.
I went to most of the troubleshooting online. Nothing helped until now.
Why is Only Half My RAM Usable? | DiamondLobby
Below the specs of the system.
Thanks in advance!
Mash
//
Operating System
Windows 10 Pro 64-bit
CPU
Intel Core i7 10700K @ 3.80GHz:
26 °C
Comet Lake 14nm Technology
RAM
16.0GB Dual-Channel DDR4 @ 1799MHz (18-22-22-42)
Motherboard
Micro-Star International Co. Ltd. MEG Z490I UNIFY (MS-7C77) (U3E1)
Graphics
S24E650 (1920x1080@60Hz)
4095MB NVIDIA GeForce RTX 2070 SUPER (MSI):
28 °C
Storage
931GB Samsung SSD 970 EVO 1TB (Unknown (SSD))
Operating System
Windows 10 Pro 64-bit
//
//
RAM
Memory slots
Total memory slots:
4
Used memory slots:
2
Free memory slots:
2
Memory
Type:
DDR4
Size:
16384 MBytes
Channels #:
Dual
DRAM Frequency:
1800.1 MHz
CAS# Latency (CL):
18 clocks
RAS# to CAS# Delay (tRCD):
22 clocks
RAS# Precharge (tRP):
22 clocks
Cycle Time (tRAS):
42 clocks
Command Rate (CR):
2T
Physical Memory
Memory Usage:
27 %
Total Physical:
16 GB
Available Physical:
12 GB
Total Virtual:
19 GB
Available Virtual:
12 GB
SPD
Number Of SPD Modules:
2
Slot #1
Type:
DDR4
Size:
8192 MBytes
Manufacturer:
Corsair
Max Bandwidth:
DDR4-2666 (1333 MHz)
Part Number:
CMK16GX4M2Z3600C18
SPD Ext.:
XMP
Slot #2
Type:
DDR4
Size:
8192 MBytes
Manufacturer:
Corsair
Max Bandwidth:
DDR4-2666 (1333 MHz)
Part Number:
CMK16GX4M2Z3600C18
SPD Ext.:
XMP
//
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