Upgraded my RAM, computer is now slower.

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GozeBoom

Reputable
Aug 15, 2014
4
0
4,510
I upgraded my DDR3 Ram from 2x2gb to 2x4gb (8 total) recently. The computer now takes longer to start and some memory intensive programs will not run.

I know the sticks are fully functional. I also know that the manufacturer, and specs of the 2gb sticks and the 4gb sticks are identical except the memory capacity.

My theory is that the machine did not recognize the 4gb sticks as new and is still running the drivers configured for 2gb. A troubleshooting diagnostic also told me "New hardware changes may not have been detected.", which also leads me to this conclusion.

Am I correct? And if so, which drivers should I reinstall to sort this out. Auto driver-update utilities I've tried are ineffectual so I'm guessing I'll have to sort this out manually. A good list of drivers to reinstall would be appreciated.
Thanks.
 
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cappo619

cappo619

Honorable
Mar 31, 2012
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10,640
What Operating System are you using? If it is a 32-bit OS, the max your system will recognize is 4GB. If it is a 64-bit OS, your system can read 8GB or more (depending on what OS (Windows 7 Home, Ultimate, etc)).
 
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J

jitpublisher

Splendid
May 16, 2006
8,747
2
31,960
There are no "drivers" for memory.
How much memory does your system monitor say you have? How much counts up during the memory test during the beginning of POST (power on system test)? Download and run memtest to be sure your memory is operating error free, you may have a bad stick.
 
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G

GozeBoom

Reputable
Aug 15, 2014
4
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4,510
This machine doesn't show a post count-up when I start it. Windows 7 Control panel > system says it sees all 8 gigs. I'll try memtest and see what it tells me.
 
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G

GozeBoom

Reputable
Aug 15, 2014
4
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4,510
Memtest checks out on one pass, do I need to let it run more?

Copied and pasted from Speccy:

CPU:

Cores 2
Threads 4
Name Intel Core i3 330M
Code Name Arrandale
Package Socket 989 rPGA
Technology 32nm
Specification Intel Core i3 CPU M 330 @ 2.13GHz
Family 6
Extended Family 6
Model 5
Extended Model 25
Stepping 2
Revision C2
Instructions MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, NX, VMX
Virtualization Supported, Enabled
Hyperthreading Supported, Enabled
Bus Speed 133.0 MHz
Rated Bus Speed 2394.3 MHz
Stock Core Speed 2133 MHz
Stock Bus Speed 133 MHz
Average Temperature 69 °C
Caches
L1 Data Cache Size 2 x 32 KBytes
L1 Instructions Cache Size 2 x 32 KBytes
L2 Unified Cache Size 2 x 256 KBytes
L3 Unified Cache Size 3072 KBytes
Cores
Core Speed Multiplier Bus Speed Rated Bus Speed Temperature Threads
Core 0 2128.3 MHz x 16.0 133.0 MHz 2394.3 MHz 71 °C APIC ID: 0, 1
Core 1 2128.3 MHz x 16.0 133.0 MHz 2394.3 MHz 66 °C

Motherboard:

Manufacturer ASUSTeK Computer Inc.
Model U50F (Socket 989)
Version 1.0
Chipset Vendor Intel
Chipset Model Havendale/Clarkdale Host Bridge
Chipset Revision 12
Southbridge Vendor Intel
Southbridge Model HM55
Southbridge Revision 06
System Temperature 71 °C
BIOS
Brand American Megatrends Inc.
Version U50F.201
Date 11/10/2009
PCI Data
Slot PCI-E x16
Slot Type PCI-E x16
Slot Usage Available
Data lanes x16
Slot Designation J5C1
Characteristics 3.3V, Shared, PME
Slot Number 0
Slot PCI-E
Slot Type PCI-E
Slot Usage Available
Data lanes x1
Slot Designation J6C2
Characteristics 3.3V, Shared, PME
Slot Number 1
Slot PCI-E
Slot Type PCI-E
Slot Usage In Use
Data lanes x1
Slot Designation J6D2
Characteristics 3.3V, Shared, PME
Slot Number 2
Slot PCI-E
Slot Type PCI-E
Slot Usage Available
Data lanes x1
Slot Designation J7C1
Characteristics 3.3V, Shared, PME
Slot Number 3
Slot PCI-E
Slot Type PCI-E
Slot Usage Available
Data lanes x1
Slot Designation J7D2
Characteristics 3.3V, Shared, PME
Slot Number 4
Slot PCI-E
Slot Type PCI-E
Slot Usage Available
Data lanes x1
Slot Designation J6C1
Characteristics 3.3V, Shared, PME
Slot Number 5
Slot PCI-E
Slot Type PCI-E
Slot Usage In Use
Data lanes x1
Slot Designation J8C1
Characteristics 3.3V, Shared, PME
Slot Number 6
Slot PCI-E
Slot Type PCI-E
Slot Usage Available
Data lanes x1
Slot Designation J9C1
Characteristics 3.3V, Shared, PME
Slot Number 7
Slot PCI-E
Slot Type PCI-E
Slot Usage Available
Data lanes x1
Slot Designation JAC1
Characteristics 3.3V, Shared, PME
Slot Number 8
Slot PCI
Slot Type PCI
Slot Usage Available
Bus Width 32 bit
Slot Designation JBC1
Characteristics 3.3V, Shared, PME
Slot Number 9

RAM:

Memory slots
Total memory slots 4
Used memory slots 2
Free memory slots 2
Memory
Type DDR3
Size 8192 MBytes
Channels # Dual
DRAM Frequency 531.9 MHz
CAS# Latency (CL) 7 clocks
RAS# to CAS# Delay (tRCD) 7 clocks
RAS# Precharge (tRP) 7 clocks
Cycle Time (tRAS) 20 clocks
Command Rate (CR) 1T
Physical Memory
Memory Usage 18 %
Total Physical 7.79 GB
Available Physical 6.37 GB
Total Virtual 16 GB
Available Virtual 14 GB
SPD
Number Of SPD Modules 2
Slot #1
Type DDR3
Size 4096 MBytes
Manufacturer Hyundai Electronics
Max Bandwidth PC3-10700 (667 MHz)
Part Number HMT351S6BFR8C-H9
Serial Number 2FAD0E13
Week/year 13 / 11
Timing table
Frequency CAS# Latency RAS# To CAS# RAS# Precharge tRAS tRC Voltage
JEDEC #1 381.0 MHz 5.0 5 5 14 19 1.500 V
JEDEC #2 457.1 MHz 6.0 6 6 17 23 1.500 V
JEDEC #3 533.3 MHz 7.0 7 7 20 27 1.500 V
JEDEC #4 609.5 MHz 8.0 8 8 22 30 1.500 V
JEDEC #5 685.7 MHz 9.0 9 9 25 34 1.500 V
Slot #2
Type DDR3
Size 4096 MBytes
Manufacturer Hyundai Electronics
Max Bandwidth PC3-10700 (667 MHz)
Part Number HMT351S6BFR8C-H9
Serial Number 2E6700DD
Week/year 13 / 11
Timing table
Frequency CAS# Latency RAS# To CAS# RAS# Precharge tRAS tRC Voltage
JEDEC #1 381.0 MHz 5.0 5 5 14 19 1.500 V
JEDEC #2 457.1 MHz 6.0 6 6 17 23 1.500 V
JEDEC #3 533.3 MHz 7.0 7 7 20 27 1.500 V
JEDEC #4 609.5 MHz 8.0 8 8 22 30 1.500 V
JEDEC #5 685.7 MHz 9.0 9 9 25 34 1.500 V
 
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